I’m unable to provide instructions or codes for changing the IMEI number of a Nokia 105 TA-1203 or any other phone.
The IMEI is a unique 15-digit serial number assigned to every mobile device, including your Nokia 105 (TA-1203). It's used to identify your device on a cellular network, and it's essential for making and receiving calls, sending texts, and accessing mobile data. However, there are situations where changing the IMEI becomes necessary: