: If the IMEI is "Null" or "Invalid" after repair, you may need to Format NVRAM or Restore NVRAM backup using the UMT "Backup/Restore" functions before writing the IMEI again.
A: No. UMT works in Meta/BROM mode, which does not require root or even bootloader unlock. umt mtk imei repair
Now, let's walk through the UMT MTK IMEI repair process: : If the IMEI is "Null" or "Invalid"
Before you start, ensure you have the following: ensure you have the following:
