Joke Collection Website - Blessing messages - Vivo SMS display card 1 card 2 has no number.

Vivo SMS display card 1 card 2 has no number.

The reasons and solutions are as follows:

1.SIM card is not inserted correctly or has poor contact. It is recommended to take out the SIM card again and ensure that it is inserted correctly.

2. It may be caused by unstable cell phone signal or network failure of operators. You can try to change the location or wait a while and try again.

3. If it is a new SIM card, it needs to be activated first, otherwise it cannot be used.