©copyright, Confidential, Tata Motors Limited 10 Change of APN (if required) 1. Connect the service tool and turn On the Ignition. 2. Scan the vehicle for all ECUs. 3. Select TCM and go to Vehicle Parameter Tab & check the Configured Mobile APN details. 4. Go to Write Data tab and select Mobile APN and enter the revised data, and confirm it. 5. After confirming the device will be rebooted. 6. Wait for 2 minutes, go to Vehicle Parameter Tab & check the Updated Mobile APN details. 7. Mobile APN is case sensitive and uses special characters. So ensure that all characters are entered as specified. 8. Disconnect the tool and turn the ignition off. Please note down the time. 9. Check on users mobile phone if the latest data has been received as per ignition off time noted above.
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