Sending text messages always fails.

Reasons for failure in sending and receiving text messages

The information center number is wrong;

The number is in arrears;

The network base station receives and forwards abnormally;

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Caused by mobile phone malfunction and other reasons;

If your mobile phone fails to send and receive text messages

Consult the balance of the mobile phone card to see if it is in arrears;?

To correct the message center number, first check whether the message center number in the mobile phone is correct (compare it with a similar local card or consult the operator to confirm the message center number);?

Replace the SIM card and compare it in different time periods Observe;?

Back up the data and try to restore factory settings;?

If the above method still does not solve the problem, please bring the purchase invoice, warranty card and mobile phone to the nearest OPPO customer service center for inspection and processing. .