1. Please check whether the TV network connection is normal.
2. Try to manually operate the TV for network upgrade again.
3. If the network upgrade operation is performed more than three times and there is still no network upgrade prompt, it is recommended to try the network upgrade again in other time periods.
4. In case that this problem cannot be solved following the above three steps, please give feedback to the local TCL after-sales Service Center, and we will help you solve this problem.
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