Mobile phone, it keeps showing that the message was not sent. Select to check the message and try again.

If the vivo phone cannot send messages, please refer to the following troubleshooting methods:

1. Some text messages cannot be sent

1. If the text message contains sensitive words, send The other party cannot receive it.

Please use test statements to send text messages to confirm whether the other party can receive them normally, such as sending: Thank you, etc. If the other party can receive it normally, it means that the text message sent before may contain sensitive words.

2. Confirm whether the "fixed dialing" service has been turned on

After turning on fixed dialing, messages can only be sent to contacts in the fixed dialing list and cannot be sent to other numbers. If you want to continue sending text messages, please cancel the fixed dialing service. Go to Settings--Applications and Permissions--System Application Settings--Phone--Mobile/China Unicom/Telecom--Fixed dialing, turn off fixed dialing (the PIN2 code that needs to be entered when turning off needs to be consulted with the operator)

3. Unable to send text messages to some short numbers

Please enter the message App--three dots in the upper right corner--Settings--More settings--Send paid messages. It is recommended to set it to ask every time.

2. All text messages cannot be sent

1. Turn on and off airplane mode

You can try to turn on and off airplane mode and re-trigger the network before trying.

2. Check whether to use a third-party SMS App

The third-party SMS App may have compatibility reasons. It is recommended to use the system’s own SMS App. Go to Settings--Applications and Permissions--Permission Management--Permissions--Default Application Settings--Information and set to Information.

3. Check whether the SMS center number setting is correct

Go to Settings--Applications and Permissions--System Application Settings--Information--More Settings--SMS Center Number, if If you do not know the local SMS center number, please contact your operator to obtain the SMS center number and set it up.

Note: You can also check the local SMS center number by checking other mobile phones around you that use the same operator's SIM card.

4. Comparative test of SIM cards

It is recommended to put the SIM card on other mobile phones to send text messages for testing. If the sending still fails, it is recommended to consult the operator's customer service.

5. Restore all settings

Go to Settings--System Management--Backup and Reset--Restore all settings and follow the on-screen prompts.

Note: Restoring all settings will not delete any data or media files. It will only restore all settings on the phone. Some third-party application accounts require re-logging in. Please confirm that it will not affect the use of the software before proceeding.

Use cloud service to back up important data before operation

Enter mobile cloud service--device cloud backup--backup data type--turn on the switch that needs to be backed up--return to the previous page- -Click to back up immediately;

6. For more questions, you can enter the vivo official website-click My - Online Customer Service, enter "Manual" to contact the online customer service for processing.