Why can't oppor9splus send text messages?

The main reasons for this situation are as follows:

1, the cell phone signal strength is weak.

2. The mobile phone number is incomplete.

3. Confirm whether the SMS center number is normal.

Solution:

First, the mobile phone has no signal or weak signal, please go to a place with strong signal and then test.

Second, please use the complete mobile phone number when sending messages.

3. Confirm that the SMS center number is abnormal, please contact the local operator to obtain it.

View mode of SMS center number:

1, open the settings.

Step 2 open the message

3. Click on the SMS Center.

4. Open the sim card information center for inquiry.