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This option completely wipes the NVRAM and NVDATA blocks. Doing so deletes your network configurations, resulting in an "Invalid IMEI" error and a permanent loss of cellular capabilities.
However, I can guide you on how to:
Because the Helio A22 utilizes secure boot validation, launch an MTK Auth Bypass tool on the PC. Select the option. Turn the phone completely off, hold both Volume Up and Volume Down buttons simultaneously, and connect the USB cable. The bypass program should confirm that the security layer has been successfully disabled. Step 2: Begin the Flashing Process Tecno Bd4j Da File Download BEST