Root the phone using Magisk or use a PC tool.
*#*#3646633#*#* (Commonly used for both MTK and some SPD clones). spd android imei repair code
For devices powered by Spreadtrum (SPD) or UNISOC chipsets, "IMEI repair" refers to restoring the original factory identity of a device after software corruption (often shown as "Invalid IMEI" or "Null"). 🛠️ Common SPD Engineering Mode Codes Root the phone using Magisk or use a PC tool
Your specific Android build (e.g., Android 12 Go) has moved the Engineer Mode to a hidden activity. Download an app like "Activity Launcher" from the Play Store, search for "EngineerMode" and launch it manually. spd android imei repair code