Redmi Note 9 Pro Max Qcn Repair Baseband
Redmi Note 9 Pro Max twrp Root /100%
Operation : Backup QCN
Port : COM70 : Qualcomm HS-USB Android DIAG 902D (COM70)
Compile: Feb 18 2021 11:14:17
Release : Nov 16 2020 15:00:00
Hw. Ver. : rennell.
Software : ----
Reading QCN Data...Done
Saved As : C:\UMTool\QcFire\QCN_Backup\rennell.__220201_000006.qcn
Operation Finished.
QcFire Ver. 7.4
adb shell
su
dd if=/dev/zero of=/dev/block/bootdevice/by-name/modemst1
dd if=/dev/zero of=/dev/block/bootdevice/by-name/modemst2
dd if=/dev/zero of=/dev/block/bootdevice/by-name/fsg
dd if=/dev/zero of=/dev/block/bootdevice/by-name/fs