Navigate to Settings > About Phone and tap "Build Number" seven times.
Here's a general guide on how to use a GSM pack: gsm pack v30 modsapps99 updated
GSM Pack is a collection of cracked, modded, or repacked software tools used for servicing mobile phones. The "GSM" acronym stands for Global System for Mobile Communications, but in the repair world, it covers everything from unlocking network locks to repairing IMEI numbers, flashing firmware, and resetting FRP (Factory Reset Protection). Navigate to Settings > About Phone and tap
[Target Device] ──► Enable USB Debugging ──► Perform Full NVDATA/IMEI Backup ──► Apply Pack Updates via Custom Recovery/Tool but in the repair world
To clarify:
In many jurisdictions, altering IMEI numbers or bypassing security features on devices you do not own is illegal. Ensure you have proper authorization.