use the original IMEI number written on the phone’s sticker.
If your phone becomes unresponsive or you need to erase all personal data before selling or disposing of the device, the *#7370# code is the appropriate solution. This operation will wipe all contacts, messages, settings, and user data from the phone's internal memory. It is an irreversible process. nokia 105 ta 1203 imei change code
The Nokia 105 TA-1203 is a 2G-only feature phone. In many regions, carriers have completely shut down 2G networks to reuse the spectrum for 4G and 5G. If your phone has stopped working, it might simply be incompatible with modern towers in your area, rather than having a blocked IMEI. Conclusion use the original IMEI number written on the
The Nokia 105 (TA-1203) is a robust, entry-level feature phone beloved for its simplicity and long battery life. However, like all mobile devices, it can encounter software issues. Sometimes, due to firmware corruption or software manipulation, the device may lose its number, resulting in "Invalid SIM" or "Network Error" messages. It is an irreversible process