If you have landed on this page, you are likely staring at a daunting error code on your PlayStation 4 screen: SU-42118-6 (often colloquially truncated to "1302" in forum shorthand with “UPD” standing for Update). You have probably searched for every combination of words—“PS4 downgrade 1302 upd,” “PS4 update loop fix,” “how to bypass 1302”—hoping for a miracle.
The reality is harsh: The 1302 error is one of the most feared messages in the PS4 homebrew and repair community. It signals that your console’s internal firmware version is lower than what the system’s internal “minimum required version” flag expects. In simple terms: You cannot downgrade a retail PS4.
But this article will cover everything you need to know—what the 1302 error actually means, why it appears, the risks of attempting a downgrade, and the only legitimate (and semi-legitimate) ways to resolve it.
PS4 Downgrade 1302 Update Guide
Disclaimer: Downgrading your PS4 may void its warranty and potentially brick your console. Proceed at your own risk.
Requirements:
Downgrade Package:
Step-by-Step Guide:
You will typically encounter this error in one of three situations:
No, not through official or standard hacking methods as of 2026. ps4 downgrade 1302 upd
Despite persistent YouTube videos claiming “PS4 Downgrade 1302 UPD 100% WORKING,” these are almost always scams, malware links, or outdated tutorials targeting firmware 5.05 or 6.72 from 2018-2020.
Here’s the technical reality:
| PS4 Model | Downgrade Possible? | Maximum Downgrade Limit | |--------------------------------|---------------------|----------------------------------| | Fat (CUH-10xx to CUH-12xx) | No (efuses burned) | Current firmware minus zero | | Slim (CUH-20xx, CUH-21xx) | No | Can't go below factory firmware | | Pro (CUH-70xx, CUH-71xx) | No | Hardware fuse prevents rollback | If you have landed on this page, you
The only exception was a brief period in 2018 when a hardware flasher (Teensy++ 2.0) could dump and reflash NOR chips on firmware 4.55 or lower. That method is obsolete for firmware 9.00+.