Step 1: Install Drivers Connect the phone turned off. Install the Nokia USB drivers so the device appears as "Nokia USB Phone Parent" in Device Manager.
Step 2: Launch Flashing Tool Open your flashing software. For this model, Nokia Best Flash is common.
Step 3: Read Phone Info Click "Scan" or "Detect." The software will read the current, possibly corrupted, IMEI. nokia 105 ta 1203 imei change code
Step 4: Perform IMEI Write (Not a code)
Step 5: Verify
Reboot the phone and dial *#06#. The correct IMEI should appear. Step 1: Install Drivers
Connect the phone turned off
Some users want to duplicate a working IMEI onto a broken phone or bypass network locks. This is a criminal offense.
The International Mobile Equipment Identity (IMEI) is a unique identifier for every mobile device. It's used by the network to identify valid devices and can be used to track and block stolen or lost phones. Step 5: Verify Reboot the phone and dial *#06#
Altering a device's IMEI to a number different from its factory-assigned identity is illegal in most jurisdictions. This practice is often associated with bypassing carrier blacklists or obscuring the identity of stolen hardware.
If a Nokia 105 TA-1203 is displaying a "Null IMEI" error, the user should follow this sequence: