If you're trying to repair a phone with a corrupted IMEI (e.g., after a failed firmware flash), the legal path is to restore the IMEI that matches the label under the battery — not "change" it to a different one. That process usually requires professional service tools (like a hardware flasher box) and should only be done for legitimate repair purposes.
If you want to change the IMEI on a Nokia 1280, you will not find a 5-digit code to type into the keypad. That is a myth perpetuated by clickbait YouTube videos. The reality involves cables, pirated software, and legal risk. nokia 1280 original imei change code
Attempting to modify an IMEI using third-party software or "flashing" tools can permanently brick If you're trying to repair a phone with a corrupted IMEI (e