The device must be put into "Meta Mode" or "Download Mode." The technician uses a specific "DB file" (Database file) extracted from the device's firmware to re-write the original IMEI back into the NVRAM. 2. Professional Service Tools
If you were proactive enough to create a backup of your EFS partition using TWRP recovery before the issue occurred, restoring it is the simplest fix. Simply boot into your custom recovery and restore the "EFS" or "NVRAM" partition. Why "Free" Software Often Fails
Cutting the connection during an LMSA (Rescue and Smart Assistant) session.
Motorola One Action IMEI Repair: A Complete Technical Guide The Motorola One Action is a unique device known for its triple-camera system and ultra-wide "Action Cam." However, like any smartphone, it can suffer from software glitches, network issues, or a "null" IMEI status after a failed firmware update or root attempt.
Disclaimer: These methods are intended for restoring an original, legal IMEI that was lost due to software corruption. Changing an IMEI to bypass a blacklist is illegal in many jurisdictions. 1. Using Meta Mode Tools (Exynos Chipset)