How to fix Unisoc [DDR bist] bootlogo message with #CM2
Posted: 19 Dec 2025, 09:49
How to fix Unisoc [DDR bist] bootlogo message with #CM2
It's HARDWARE fault.
You can't repair it with new firware.
You can't repair it with filesystem format.
You can't repair it with wipe.
DDR bist solution:
1. Open your phone
2. Replace FLASH/RAM chip
3. Make another hardware repair, f.e. replace water damaged components or resolder another PCB parts
This text on bootlogo means phone selftest fail due to faulty RAM....DDR bist...
It's HARDWARE fault.
You can't repair it with new firware.
You can't repair it with filesystem format.
You can't repair it with wipe.
DDR bist solution:
1. Open your phone
2. Replace FLASH/RAM chip
3. Make another hardware repair, f.e. replace water damaged components or resolder another PCB parts