BBK X3V telecom mobile phone can t hear each other

3.Turn off your phone and try it when it restarts.

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It is recommended to try the following:

1. Restart your phone.

2. Confirm whether the mobile phone has a phone bill.

3. It may be a network signal problem, and you need to try it in a different environment.

4. Try changing a SIM card.

If you are on an individual call or all calls, if you are on an individual call, it may be a problem with the other party's mobile phone. In all case calls, it is recommended that you try the following methods:

2. You can go to Settings - > More Settings - > System Upgrade - >Check for Updates Now-, according to the prompts**Upgrade package, click Verify and install, and the phone will restart and automatically enter the upgrade mode.

3. Try to clear the abnormal data by "Settings->More Settings-> Factory Reset->Clear All Data". Note: This item will lose all the data stored on the user's mobile phone, including ** book, short message, third-party application software, and related information, and the data stored on the T card will not be lost.

Use with caution. If you try the above methods or can not help you solve the problem, it is recommended that you go to the after-sales service center to test your mobile phone, please rest assured, the after-sales service center technicians will properly deal with the problems encountered by your mobile phone, you can check the address of the after-sales service center in the settings of the mobile phone - more settings - after the service menu of the sales boredom. You can also go to the vivo official ** to inquire about the after-sales service in the careful address:

If there is no signal on your phone, it is recommended to try the following methods:

1. Restart the phone and let the phone re-register the network;

2. Take out the SIM card and reinsert it or replace the SIM card to eliminate the SIM card failure;

3. Use after changing the network environment and time period, and you can also compare other mobile phones (using the same network) to see if this phenomenon exists, if it also exists, it may be caused by the poor signal coverage of your local network operator. For example, some tall buildings, basements, parking lots, remote mountainous areas, etc. can affect the mobile phone signal.

If you still can't solve the problem after operating the above methods, please bring the purchase invoice, warranty card and mobile phone to the nearest vivo after-sales service center for testing and processing. The address of the after-sales service center can be found in Settings - More Settings - After-sales Service Options.