How to recover the telecom card without service?

Checking the cell phone signal, restarting the cell phone, changing the card, setting network parameters and calling customer service can't restore any service of the telecom card.

1, check the cell phone signal

First, you need to check the signal strength of your mobile phone. You can try to go to an open place, such as the top of a mountain or a window.

2, restart the phone

Sometimes, simply restarting the phone can solve the problem of no service.

Step 3 change the card

It is possible that the SIM card is damaged and needs to be replaced with a new one.

4. Set network parameters

Enter the mobile phone network settings, adjust the parameters such as mobile phone network priority and APN, and switch the network mode automatically and manually.

Step 5 call customer service

If the above methods can't solve the problem, you can call the customer service phone of the telecom operator for help and deal with it according to the specific situation.