⚠️ , use an emulator or a test phone offline. Never spoof IMEI on a daily driver.
This method is device-specific and often requires a "patched" modem file to make the change stick after a reboot. 3. Command Line (MediaTek/MTK Devices) Some older or specific chipsets allow modification via the Android Terminal Emulator [GUIDE] How to change IMEI on Snapdragon devices