While some online sources suggest codes like #7003# for the Nokia 150 (RM-1190), changing an IMEI number is illegal and can lead to device restrictions. Instead, standard, legal codes are available to check the original IMEI ( #06#), reset the phone ( #7370#), or check the software version (
Potential for device malfunction: Incorrectly changing the IMEI or other system files can lead to device malfunction or render your device unusable.
Some users believe changing IMEI prevents tracking by governments or advertisers. For a 2G feature phone in 2025, this is overkill – your phone’s location is tracked via cell towers regardless of IMEI.
Prologue