unbrick is a process to repair a device that was bricked, with in POCO M4 Pro 4G user face two type of brick- soft brick and hard brick.
Soft brick: in this stage device stuck or freez on boot logo or animation due to any software/ firmware issue.
hard brick: in this stage device completely goes dead and does not show any sign of boot for example logo or animation, even fastboot or recovery mod. it show only 9008 USB COM driver /device when we connect it to computer
so if your POCO M4 Pro 4G having any of soft or hard brick issue then you can fix it by following the below Instructions.
Disclaimer:
- flash at own risk
- must make a NVRAM backup before process
Status:
- 100% tested
Preparations:
Download Firmware according your region:
- Stock Firmware for POCO M4 Pro 4G: Download
Download Require tools:
Download & Install Require USB Driver:
Process:
- Run both SP Flash tools and ROM2box.exe
- in SP Flash tools go to options/connection and set connection like below image
Connection type: UART / Bound Rate: 921600
- in the DA and Auth filed load download DA & Auth files
- in the scatter filed load scatter file from firmware folder
- in the drop down menu Select ‘Firmware-upgrade‘
- Switch Tab to ROM2box
- in the very front Screen mark disable auth option and click ‘Start button‘
- Now turn Phone OFF, keep Pressing both volume up & down key and Insert USB once device detected Release keys
- once success, immediate Switch tab to SP Flash tools and Click Download button
- Flashing ‘Process Started‘ wait until success, it will take around 10Min
- once done, disconnect device, reconnect once charging started disconnect & Switch it ON