For very old Balong devices (Balong 710, ~2012):
Tools → Options → USB Mode → Force USB 1.1 → Reconnect device. balong usb downloader v1.0.1.10
Important Disclaimer: This tool is unofficial and not distributed by Huawei. Always scan downloaded executables with an antivirus. For very old Balong devices (Balong 710, ~2012):
On XDA forums and 4PDA, version 1.0.1.10 receives generally positive feedback. Users report: One prominent XDA user (XDA: Decker ) stated:
One prominent XDA user (XDA: Decker) stated: “If your Balong device is in preloader mode and QPST fails, Balong USB Downloader v1.0.1.10 is the final hope before JTAG.”
Cause: Unstable USB connection or large image misalignment.
Fix: Shorter cable, disable power saving for USB ports, or split large system.img into chunks (advanced).
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