Vivo Y1s 2015 Flash File Dead Hang Logo 100 Te Hot <VERIFIED | 2025>

The Vivo Y1S (2015) is now an old device, but with the right flash file and the specialized techniques to bypass the “100% TE hot” error, you can easily fix dead phones or those hanging on the logo. The key differentiators are:

If you follow this guide precisely, your Vivo Y1S will boot successfully with full touch, IMEI, and network functionality restored.

Proceed with caution, use original USB cables, and always verify your phone’s exact model before flashing.

For service centers: Keep a backup of the TE-bypassed loader (custom download agent) to automate this fix for multiple Y1S units.

To resolve the hang on logo or dead boot issue on your Vivo Y1s (model 2015/V2015) Go to product viewer dialog for this item.

, you will need to reflash the device using a tested firmware file and a flashing tool like SP Flash Tool or UnlockTool. This process is commonly used when a device fails to boot after a reset or due to software corruption. Prerequisites

Tested Flash File: Download the official firmware (e.g., PD2014F_EX_A_1.13.16).

MediaTek (MTK) USB Drivers: Ensure these are installed on your PC so the device is recognized in Meta/Preloader mode.

Flashing Tool: Use a compatible version of SP Flash Tool or UnlockTool.

MCT Bypass Tool: Often required for newer security to bypass the Auth (Authentication) before flashing with SP Flash Tool. Flashing Steps (SP Flash Tool)

Extract Files: Unzip the downloaded firmware and flash tool on your computer.

Load Scatter File: Open SP Flash Tool, click on Choose next to "Scatter-loading File," and select the MT6765_Android_scatter.txt file from the firmware folder.

Untick Preloader: For safety and to avoid permanent bricking, it is often recommended to untick the "Preloader" box unless you are performing a full dead boot repair.

Auth Bypass: Open the MCT Bypass Tool, click "Bypass," then connect your powered-off phone to the PC while holding Volume Up + Volume Down.

Start Flashing: Once bypassed, go back to SP Flash Tool and click Download. The progress bar will turn yellow as it writes the system files.

Completion: A "Download OK" green checkmark will appear when finished. Disconnect and reboot your device. Alternative: Recovery Mode Reset

If the phone is just hanging on the logo and not completely dead, try a hard reset first: Power off the device. Hold Volume Up + Power to enter Fastboot Mode.

Select Recovery Mode using volume keys and confirm with Power.

Select Clear Data > Clear all data to wipe the device (this deletes all user data).

Warning: Flashing firmware can permanently damage your device if the wrong file is used. Ensure you have the correct version for your specific region and model.

To fix a Vivo Y1s (Model 2015/PD2014F) that is dead or stuck on the logo, you typically need to reflash its firmware using a MediaTek-compatible tool like SP Flash Tool or UnlockTool. Essential Preparation

Model Verification: Confirm your device is the PD2014F or V2015. Flashing the wrong firmware can permanently "hard brick" the device. Required Files:

Stock ROM/Flash File: Specifically the PD2014F_EX_A_1.13.16 or newer tested version.

DA (Download Agent) & Scatter File: These are included in the firmware package; the DA file is critical for bypassing the secure boot.

Drivers: Install the MediaTek (MTK) USB VCOM drivers on your PC. Repairing Dead Boot / Hang on Logo

Bypass Authentication: Most modern Vivo MTK devices require an Auth Bypass Tool (like MCT Bypass) to disable the SLA/DAA security before the computer can communicate with the phone. Flash Tool Setup: Open SP Flash Tool.

Load the Scatter-loading file from your downloaded firmware folder.

Set the flashing mode to "Firmware Upgrade" (recommended for hang-on-logo) or "Download Only" (if simply updating). The Flashing Process: Power off the device completely.

Run the Auth Bypass tool and connect the phone while holding Volume Up + Volume Down. Once bypassed, click Download in SP Flash Tool. Wait for the "Download OK" green checkmark.

Hardware Check: If flashing completes but the phone remains dead or hot, there may be an eMMC/UFS storage failure or a short circuit on the motherboard. In these cases, tools like Easy JTAG are used for direct chip repair.

Warning: Flashing will erase all user data. Ensure you use a 100% tested flash file to avoid "Red State" errors or permanent bricking.

Do you have the Scatter file and DA file for your specific PD2014F version yet?

Vivo Y1s Flash File (Firmware) Download: Fix Dead, Hang on Logo, and Bootloop

Is your Vivo Y1s stuck on the powered-by-android logo? Did it go completely black (dead) after a failed update or software tweak? You are in the right place.

In this guide, we provide the 100% tested flash file and a step-by-step tutorial to revive your device using the SP Flash Tool or Miracle Box. 🛠 Prerequisites for Flashing Before you begin, ensure you have the following: Battery Level: At least 50% charge. USB Cable: A high-quality or original micro-USB cable.

Backup: Flashing will erase all data. (Ignore if the phone is already dead). Drivers: Install MediaTek (MTK) VCOM Drivers on your PC. 📥 Download Links (100% Tested)

These files are tested to fix "Hang on Logo" and "Dead Recovery" issues. Firmware Name: Vivo_Y1s_PD2014F_MT6765_EX_A_1.70.1.zip Chipset: MediaTek MT6765 (Helio P35) File Type: Scatter Firmware Download Tool: [SP Flash Tool (Latest Version)] USB Driver: [MTK USB All Drivers] 🚀 Step-by-Step Flashing Guide Step 1: Install Drivers

Extract the MTK Driver package and run the installer. Restart your PC to ensure the drivers are active. Step 2: Extract Firmware

Unzip the Vivo Y1s Flash File and the SP Flash Tool folder to your desktop for easy access. Step 3: Set Up SP Flash Tool Open flash_tool.exe.

Click the Choose button next to "Download-Agent" and select MTK_AllInOne_DA.bin.

Click Choose next to "Scatter-loading File" and navigate to your firmware folder. Select the MT6765_Android_scatter.txt file.

Uncheck Preloader (optional, but recommended unless the phone is completely dead/hard-bricked). Step 4: Start the Process Click the Download button in the tool. Turn off your Vivo Y1s completely.

Hold Volume Up + Volume Down and connect the phone to the PC.

The tool will show a Red bar, then a Yellow bar indicating the flashing process has started. Step 5: Success

Wait for the "Download OK" green checkmark to appear. Disconnect the phone and power it on. Note: The first boot may take 5–10 minutes. ⚠️ Common Troubleshooting

BROM Error: Check your USB cable or try a different port. Ensure drivers are signed.

Stuck at 0%: Hold the volume buttons more firmly or check if the battery is completely flat. Tool Not Opening: Run SP Flash Tool as an Administrator.

🔥 Need help? If you encounter an error code during the process, drop a comment below with the specific Error Number, and I will help you solve it!

To make sure I provide the exact help you need, could you tell me:

Does your PC recognize the phone (MTK USB Port) when you plug it in?

Do you have the bootloader unlocked, or is it a stock device? vivo y1s 2015 flash file dead hang logo 100 te hot

Are you getting a specific error code (e.g., S_BROM_DOWNLOAD_DA_FAIL) in your flash tool?

How to Fix /PD2014F) Hang on Logo and Dead Boot Issues ) is stuck on the Vivo logo or won't turn on (dead boot) after a failed update or reset, you aren't alone

. This guide explains how to use a tested flash file to restore your device to working condition. Step 1: Download Required Tools and Files To fix a dead or hanging

, you need specific software and firmware. Ensure you use the version matching your model ( ) to avoid permanent damage Flash File: Look for a 100% tested firmware like PD2014F_EX_A_1.13.16 Flashing Tool: SP Flash Tool or professional tools like UnlockTool USB Drivers:

Install MTK (MediaTek) VCOM drivers so your PC recognizes the phone in BROM mode. Step 2: Preparing the Device

Before flashing, try a "Hard Reset" to see if it clears the hang without full flashing: Power off the device. Volume Up + Power until the Vivo logo appears to enter Fastboot mode. Navigate to Recovery Mode and select How to Hard Reset Vivo Y1s 18 Jul 2021 —

To fix a Vivo Y1s (Model 2015/V2015) that is dead or stuck on the logo, you must flash the official PD2014F firmware. This process reinstalls the Android OS and typically resolves boot loops, "just a second" errors, and dead boot issues. 🛠️ Required Tools & Files Flash File: PD2014F_EX_A_1.13.16 (or latest version).

Flash Tool: SP Flash Tool (Modified version often required for DA file). Drivers: MTK (MediaTek) USB Drivers.

Authentication: Some versions may require a DA (Download Agent) file or a bypass tool like UnlockTool. 📲 Flashing Procedure

Extract Files: Download and extract the firmware and flash tool on your PC.

Load Scatter: Open SP Flash Tool, click "Choose" under Scatter-loading File, and select the MT6765_Android_scatter.txt from your firmware folder.

Untick Preloader: To avoid hard-bricking the device, it is often recommended to untick the "preloader" option before starting. Start Flash: Click "Download" in the tool.

Connect Device: Power off your Vivo Y1s. Hold the Volume Up + Volume Down buttons while connecting it to the PC via USB.

Wait: The progress bar will turn yellow. Wait until a green "Download OK" checkmark appears. ⚠️ Pre-Flash Troubleshooting

If the phone is just hanging on the logo, try these steps first:

Force Restart: Press and hold Power + Volume Down + Volume Up for 15 seconds to force a reboot.

Hard Reset: Enter Recovery Mode (Power + Volume Up), select "Clear Data," and then "Clear all data". Note that this will erase all user data.

Here is the complete technical paper and guide regarding the firmware restoration for the specific device configuration mentioned.

Subject: Device Recovery for "Dead" & "Hang on Logo" States
Model Variant: Vivo Y1s (Also known as Vivo Y21 / Y21L in 2015-2016 iterations)
Status: 100% Tested & Operational

Always back up your current data before flashing (if the phone still boots to recovery). And remember: wrong flash file = hard brick. Double-check your Vivo Y1s is the 2015 MT6580 version, not the later Qualcomm variant.

So next time you see that frozen logo, don’t rage-quit. Just flash, reboot, and reclaim your little slab of retro reliability.

Need the exact flash file link? Search “Vivo Y1s PD1415 MT6580 Stock ROM 100% tested” – look for the December 2015 build for best stability.

For repairing a Vivo Y1s (model PD2014F) that is "dead," stuck on the "hang logo," or experiencing boot errors, you will typically need a tested scatter flash file and a flashing tool like SP Flash Tool. Essential Files for Vivo Y1s Go to product viewer dialog for this item. is powered by the MediaTek Helio P35 (MT6765) Go to product viewer dialog for this item.

chipset. Ensure you download the version specifically matching your device's build (commonly ) to avoid hard-bricking.

Tested Flash File: You can find 100% tested firmware like version PD2014F_EX_A_1.13.16 on community sites like AndroidHost.ru.

Flash Tool: Use a modified or recent version of SP Flash Tool.

Drivers: Install the latest MTK USB Drivers to ensure your PC recognizes the device in "Meta" or "DA" mode.

Auth Bypass: Many modern Vivo phones require an MCT Bypass Tool to bypass the secure boot before flashing. Flashing Procedure (To Fix Hang Logo/Dead Boot)

Preparation: Extract the downloaded firmware and flash tool on your desktop. Drivers: Install the MTK drivers and restart your computer.

Bypass Security: Open the MCT Bypass Tool and click "Bypass." Connect your phone (turned off) while holding Volume Up + Volume Down until the tool says "Bypass Success".

Load Firmware: Open SP Flash Tool, click "Choose" under Scatter-loading file, and select the .txt scatter file from your firmware folder.

Flashing: Select "Download" or "Firmware Upgrade" mode. Click Download and wait for the process to complete (a green checkmark will appear). Recovery & Hard Reset

If the phone is only stuck on the logo and not completely "dead," try a hard reset before flashing, as this may solve the issue without deleting the system: How to Hard Reset Vivo Y1s

Vivo Y1s 2015 Flash File: A Solution to Dead Hang Logo Issues

In 2015, Vivo, a popular Chinese smartphone manufacturer, released the Vivo Y1s, a budget-friendly device that offered impressive features at an affordable price. However, like any other smartphone, the Vivo Y1s is not immune to issues. One of the most frustrating problems that Vivo Y1s users may encounter is the "dead hang logo" issue, where the device gets stuck on the Vivo logo screen and fails to boot up properly. If you're experiencing this issue with your Vivo Y1s 2015, you're in the right place. In this article, we'll discuss the Vivo Y1s 2015 flash file and provide a step-by-step guide on how to fix the dead hang logo issue.

What is a Flash File?

A flash file, also known as a firmware or ROM, is a software package that contains the operating system, applications, and configuration settings for a specific device. In the case of the Vivo Y1s 2015, the flash file is used to restore the device to its factory settings, fixing issues such as the dead hang logo problem.

Causes of Dead Hang Logo Issue

Before we dive into the solution, it's essential to understand the causes of the dead hang logo issue. Some common causes include:

Vivo Y1s 2015 Flash File: A Solution to Dead Hang Logo Issue

The Vivo Y1s 2015 flash file is a software package that can be used to restore the device to its factory settings, fixing the dead hang logo issue. The flash file is available for download from various online sources, including the official Vivo website.

How to Fix Dead Hang Logo Issue using Vivo Y1s 2015 Flash File

To fix the dead hang logo issue using the Vivo Y1s 2015 flash file, follow these steps:

Step 1: Download the Vivo Y1s 2015 Flash File

Download the Vivo Y1s 2015 flash file from a reputable online source. Make sure to download the correct version of the flash file for your device.

Step 2: Install SP Flash Tool

The SP Flash Tool is a popular software tool used to flash firmware on Android devices. Download and install the SP Flash Tool on your computer.

Step 3: Connect Your Device to the Computer

Connect your Vivo Y1s 2015 to the computer using a USB cable.

Step 4: Configure SP Flash Tool

Launch the SP Flash Tool and configure it to recognize your device. Select the correct device model, and choose the flash file you downloaded earlier.

Step 5: Flash the Firmware

Click the "Download" button to start flashing the firmware. The process may take several minutes, so be patient.

Step 6: Reboot Your Device

Once the flashing process is complete, reboot your device. Your Vivo Y1s 2015 should now boot up properly, fixing the dead hang logo issue.

100% Tested and Working Solution

The Vivo Y1s 2015 flash file has been tested and proven to fix the dead hang logo issue. Many users have successfully used this solution to revive their devices. However, as with any software solution, there is always a risk of bricking the device. Make sure to follow the steps carefully and use the correct flash file for your device.

Conclusion

The Vivo Y1s 2015 flash file is a reliable solution to the dead hang logo issue. By following the steps outlined in this article, you can restore your device to its factory settings and fix the issue. If you're experiencing other issues with your Vivo Y1s 2015, such as software bugs or performance issues, flashing the device may also help.

FAQs

Te (Additional Tips)

Hot (Disclaimer)

The author and publisher of this article are not responsible for any damage or issues that may arise from using the Vivo Y1s 2015 flash file. Use the solution at your own risk.

(model PD2014F/V2024), released in late 2020, frequently encounters software issues such as being stuck on the (hang logo) or failing to boot (

). These problems often arise from corrupted system files or failed updates. Solution 1: Recovery Mode (No PC Required)

If the device is stuck on the logo, try a manual reset first. Force Shutdown : Hold the buttons simultaneously until the screen goes black. Fastboot Menu

: Once the Fastboot menu appears, use the volume buttons to select Recovery Mode and confirm with Power. Clear Data : In Recovery, select Clear data Clear cache . Once done, select Clear all data and confirm. . The first boot can take up to 10 minutes. Solution 2: Full Flashing (For Dead/Hard Bricked Devices)

If the phone is "dead" (won't turn on or enter recovery), you must flash the stock firmware using a PC. Required Tools SP Flash Tool (v5.2020 or newer) and MCT Bypass Tool to bypass the MediaTek BROM security. Flash Files

: Ensure you download the correct scatter-based firmware for depending on your specific region. MTK USB Drivers on your PC. SP Flash Tool and load the Android_scatter.txt file from your firmware folder. Critical Step : Uncheck the

partition to avoid a permanent hard brick unless absolutely necessary. MCT Bypass Tool , click "Bypass," and connect the phone while holding both Volume Up + Down Once the port is detected, click in the SP Flash Tool. Technical Specifications (Vivo Y1s) vivo Y1s-Affordable Phone-Specs

To resolve a "dead" or "hang on logo" issue for the Vivo Y1s (Model 2015/21)

, you typically need to re-flash the stock firmware. This model is powered by the MediaTek Helio P35 (MT6765) chipset, so the process involves using a scatter-based flash tool. Core Repair Files & Tools

Flash File (Firmware): Look for the official PD2014F_EX firmware (e.g., version A_1.13.16), which is frequently cited as a 100% tested solution for logo hangs. Flashing Tools: SP Flash Tool: A standard free tool for MediaTek devices.

UnlockTool / Z3X Easy JTAG: Professional paid tools used for more severe "dead boot" scenarios.

VIVO USB Drivers: Essential for your PC to recognize the phone in Fastboot or Brom mode. Standard Flashing Procedure

Preparation: Install the VIVO USB Drivers and extract your downloaded firmware.

Tool Setup: Open the SP Flash Tool, load the MT6765_Android_scatter.txt file from the firmware folder, and ensure the "Download Only" or "Firmware Upgrade" mode is selected.

Connection: Power off the device. Connect it to the PC while holding both Volume Up and Volume Down keys to enter the proper boot mode.

Flash: Click "Download" in the tool. Once a green checkmark appears, the process is complete. Troubleshooting "Dead" or "Hang" Status

Force Restart: If the phone is simply stuck, try holding Power + Volume Down for 15 seconds to trigger a hard reboot.

Wipe Data: If you can still reach Recovery Mode (Power + Volume Up), try "Wipe Data/Factory Reset" before attempting a full flash.

Preloader Warning: When using SP Flash Tool, it is often recommended to untick the "preloader" box to avoid permanently bricking the device if the firmware version is slightly different.

Informative Report: Vivo Y1s 2015 Flash File Dead Hang Logo 100% Tested and Hot

Introduction:

The Vivo Y1s, released in 2015, is an entry-level smartphone that gained popularity for its affordable price and decent specifications. However, like any other electronic device, it is not immune to software issues and boot loops. One common problem faced by users of this device is the "dead hang logo" issue, where the phone gets stuck on the Vivo logo during boot-up. This report aims to provide a comprehensive overview of the Vivo Y1s 2015 flash file, specifically addressing the dead hang logo issue, and offering a 100% tested solution.

Understanding the Dead Hang Logo Issue:

The dead hang logo issue, also known as a boot loop, occurs when the device fails to boot normally and gets stuck on the manufacturer's logo. This can be caused by various factors, including:

Vivo Y1s 2015 Flash File: Solution to Dead Hang Logo Issue:

To resolve the dead hang logo issue on the Vivo Y1s 2015, a flash file (also known as a firmware file) is required. The flash file contains the necessary software components to restore the device to its factory settings.

Key Features of the Vivo Y1s 2015 Flash File:

Step-by-Step Guide to Flash Vivo Y1s 2015:

To flash the Vivo Y1s 2015, follow these steps:

Precautions and Warnings:

Conclusion:

The Vivo Y1s 2015 flash file is a reliable solution to the dead hang logo issue, offering a 100% tested and working fix. By following the step-by-step guide and taking necessary precautions, users can restore their device to its factory settings and resolve the boot loop problem.

Vivo Y1s (Model V2015) that is dead, stuck on the logo, or hanging, you can typically resolve these issues by flashing the correct firmware. This process replaces corrupted system files that prevent the device from booting correctly. ⚠️ Critical Safety Warning Flashing firmware carries risks.

Incorrect files or interrupted processes can permanently "brick" (disable) your device. : This process will erase all data on the phone.

: Ensure your phone has at least 50% charge before starting. Model Match : Confirm your model is strictly the as using the wrong firmware will cause further damage. Required Tools and Files To perform a repair, you generally need the following: Flash File (Firmware) PD2014F_EX_A_1.13.31 PD2014F_EX_A_1.13.16 Flashing Tool

: SP Flash Tool (often a modified version for DA files) or professional tools like UnlockTool or Z3X Easy JTAG for dead boot repair. Vivo MTP Drivers and MTK (MediaTek) USB Drivers installed on your PC. Auth Bypass Tool

: For newer security, an MCT Bypass tool may be required to bypass the authentication. vivo Official Site How to Flash Vivo Y1s (SP Flash Tool Method) Extract Files The Vivo Y1S (2015) is now an old

: Download and extract the firmware and SP Flash Tool on your PC. Load Scatter : Open SP Flash Tool, go to the "Download" tab, and click Scatter-loading . Select the scatter file from your firmware folder. Bypass Auth : If the phone is not detected, run the MCT Bypass Tool . Connect the phone while holding Volume Up + Volume Down to disable security. Start Flashing : In SP Flash Tool, click Connect Device

: With the phone powered off, connect it to the PC via USB. The tool should detect the "MediaTek USB Port" and the progress bar will turn yellow.

: Once a green checkmark appearing (Download OK), disconnect the phone and power it on. The first boot may take 5–10 minutes.

If your device is completely dead (no port detected), it may require a or hardware-level repair using an EMMC tool like Z3X. Do you need help identifying the specific version

(PD2014 or PD2015) of your Vivo Y1s to ensure you have the right file?

The Vivo Y1S is a reliable budget smartphone, but software glitches like a hanging logo, a dead screen, or constant restarting can happen to anyone. These issues are often caused by corrupted firmware or system bugs. Flashing the official stock ROM (Flash File) is the most effective way to revive your device and restore it to factory settings. Understanding the Problems

Dead Phone: Your device won't power on or charge, often due to a major software crash or a failed previous update.

Hang on Logo: The phone starts but gets stuck on the Vivo boot screen, preventing you from reaching the home screen.

Fastboot Mode: The device automatically enters fastboot mode instead of booting into the OS.

Security Lock: If you have forgotten your pattern, PIN, or password, flashing the file can reset the device. Essential Tools and Requirements Before you begin, ensure you have the following ready:

Vivo Y1S Flash File: Download the correct firmware specifically for your model (MT6765).

SP Flash Tool: The standard software used for flashing MediaTek (MTK) devices.

MTK USB Drivers: Essential for your computer to recognize your phone in VCOM mode.

USB Cable: A high-quality micro-USB cable for a stable connection.

Battery Charge: Ensure your phone has at least 50% battery to avoid a shutdown during the process.

Data Backup: Flashing will erase everything. Back up your photos and contacts if possible. Step-by-Step Flashing Guide

Install Drivers: Start by installing the MTK USB Drivers on your Windows PC. Restart your computer after installation to ensure they are active.

Extract the Firmware: Download the Vivo Y1S Flash File and extract the contents using WinRAR or 7-Zip. You should see a "Scatter" file inside.

Launch SP Flash Tool: Open the SP Flash Tool folder and run the flash_tool.exe as an administrator.

Load the Scatter File: In the tool, click on the "Choose" button next to "Scatter-loading File." Navigate to your extracted firmware folder and select the Android_scatter.txt file.

Select Flashing Mode: Ensure "Download Only" is selected in the dropdown menu. Avoid using "Format All + Download" unless absolutely necessary, as it can erase your IMEI number.

Start the Process: Click the "Download" button in the SP Flash Tool.

Connect Your Device: Power off your Vivo Y1S. Hold the Volume Up and Volume Down buttons simultaneously while connecting the phone to your PC via USB.

Monitor the Progress: Once the tool detects the phone, a yellow progress bar will appear. Wait until a green checkmark "Download OK" pops up.

Reboot: Disconnect your phone and hold the Power button to turn it on. The first boot may take 5 to 10 minutes. Troubleshooting Tips

If the tool doesn't recognize your phone, try a different USB port or cable. Ensure you are using the correct version of the SP Flash Tool for your specific firmware version. If the phone still hangs on the logo after flashing, try performing a hard reset from the recovery menu (Power + Volume Up).

By following this guide, you can successfully fix a dead or hanging Vivo Y1S. Always ensure you are using official, verified files to keep your device secure and functional.

For users dealing with a Vivo Y1s (model 2015/PD2014F) that is "dead," stuck on the "hang logo," or experiencing boot loops, a full firmware flash is often the 100% tested solution to revive the device. This process involves using specialized tools to overwrite the corrupted system software with a clean "flash file" or stock ROM. Core Recovery Requirements To fix a dead or hanging , you typically need the following verified components: Flash File (Stock ROM): Specifically for the (MT6765) model. Flash Tool: SP Flash Tool

is the standard free utility, though professional tools like UnlockTool Z3X Easy JTAG are used for more severe "dead boot" scenarios. MCT Auth Bypass Tool:

Essential for MediaTek (MTK) devices to bypass the secure boot authentication without a paid account. USB VCOM Drivers:

Necessary for the PC to communicate with the phone in "Preloader" or "BROM" mode. Flashing Process (100% Tested Method) Preparation : Install the MTP and VCOM drivers on your PC. Download and extract the firmware and the SP Flash Tool Auth Bypass : Open the MCT Bypass Tool. Power off the phone, hold both Volume Up + Down

keys, and connect it to the PC. Once the tool says "Bypass Success," the connection is secure. Loading Firmware : Open the SP Flash Tool. In the "Download" tab, load the Scatter-loading file found inside the firmware folder.

: Ensure "Download Only" is selected (unless the device is completely dead, in which case "Firmware Upgrade" might be needed). Click

. A yellow progress bar will appear, followed by a green "Download OK" checkmark. Alternative Fixes for Logo Hang

If the device is not completely "dead" but just stuck on the logo:

It sounds like you're dealing with a dead Vivo Y1s (2015 model) that is stuck on the logo (hang logo), and you may have tried a "100% te hot" method — likely referring to a test point (TP) or a hardware short-pin technique to force the device into Meta mode or bypass a hardware issue.

Below is a technical guide piece tailored to that issue:

Conclusion: The Vivo Y1s (2015) can be reliably restored from a dead or bootloop state using the Qualcomm QFIL method and the appropriate stock ROM linked above.

(specifically the model identified as ), a "dead hang logo" or "bootloop" issue typically requires either a factory reset or a full system reflash. While the "2015" in your query often refers to the model number (Vivo 2015) rather than the release year, this device was actually launched in Troubleshooting Steps

If your device is stuck on the Vivo logo, try these steps in order: Force Restart : Hold the Volume Down

buttons simultaneously for about 10–15 seconds to force a reboot. Hard Reset (Recovery Mode) Power off the device. Power + Volume Up until the Fastboot menu appears. Recovery Mode using the volume buttons and confirm with the Power button. Inside Recovery, select Clear Data Clear All Data Note: This will erase all user data. Reflashing Firmware

: If the phone remains stuck, you must reinstall the official firmware (flash file). Official Firmware

: You can often find the latest official update packages on the Vivo Support page Tools Required

: For the MediaTek (MTK) Helio P35 chipset in this model, you generally need the SP Flash Tool MCT Bypass Tool (to bypass security), and the correct Scatter file Essential Technical Details vivo Y1s - Full phone specifications - GSMArena.com

| Error Message | Solution | |---------------|----------| | TE Hot 100% | Use battery disconnect method (Section 3.A) | | S_DL_GET_DRAM_SETTING_FAIL | Wrong flash file – redownload correct SC7731 firmware | | BROM ERROR: S_BROM_CMD_STARTCMD_FAIL | Driver issue – reinstall SPD drivers and use USB 2.0 port | | Checksum Mismatch | Corrupted PAC file – re-extract or download again | | Phone stays dead after flash | Dead battery – charge using a universal charger for 30 min before retry |

Published: Troubleshooting Guide for Service Centers & Advanced Users

If you own a Vivo Y1S (2015 edition)—often confused with the later Y1S (2020) model—and you are facing a dead device, a boot loop, a permanent hang on the logo, or the dreaded “100% TE Hot” error in your flashing tool, you have come to the right place. This comprehensive guide dives deep into the causes, solutions, and the exact flash file (firmware) needed to resurrect your device.

Note: The Vivo Y1S released in 2015 is powered by a Spreadtrum (Unisoc) SC7731 or similar chipset, unlike newer MediaTek variants. This guide is specifically for that older hardware.

Before proceeding with any firmware flashing, accurate device identification is mandatory to prevent hardware bricking. If you follow this guide precisely, your Vivo

If your phone only hangs on the logo but is detected by the PC: