Enable USB Debugging on your device by tapping "Build Number" seven times in settings to unlock Developer Options.

Use the AP Editor feature to modify specific configuration files like AP_CFG_RDEB_FILE_WIFI_LID to enable hidden features like 5GHz band support. How to Use the MTK NVRAM Editor

NVRAM is a dedicated partition on MediaTek (MTK) devices that stores data meant to persist even after factory resets or firmware flashes. If this partition becomes corrupted—often indicated by a "Null IMEI" or "NVRAM Warning: Err=0x10" in WiFi settings—the device may lose all cellular and wireless connectivity. Core Features of MTK NVRAM Editor

Once the data tree loads, you can navigate to the specific field (e.g., MP0B_001 for IMEI) and enter the correct values.