Mediatek dm-verity corruption is a error on Mediatek smartphone mostly appear after unlocking the bootloader. if you have the same issue on your mediatek phone then you can fix it by following the below instructions.
GoogleKeyState: fail: may be to firmware with device formatting no NVRAM/NVDATA/certificates/imei/mac address etc
tested devices: realme c21, redmi note 9, infinix note 7, poco m2, oppo a54, tecno spark 7
Steps:
- always make a backup (Including NV Partition)
- Download Latest firmware for your device
- extract downloaded firmware on your computer
- Install Mediatek VCOM driver on Your computer
- Download & Extract smartphone flash tools on your computer
- from the flash tool folder Run flash_tool.exe
- Go to Download tab Click Scatter and load scatter file from ROM folder
- Select Format all + Download!! (Must Require). Click Download
- connect Your switched off Phone to computer by using usb cable (USB +Volume up and down key) (make sure all driver are installed, if no usb VCOM device then you have to do test point)
- wait until Success, done Now you have to write IMEI back using MAUI Meta or SN Write tool or Restore NVdata.
- Note: if you have a Download Disabled device Like Vivo OPPO, Realme then First you have to disable SLA Authentication.