Can vivoXL3 use electric signals

Hello! Do you mean x3l? X3L is a mobile 4G version, which does not support telecommunications.

The vivo X3L mobile phone does not support telecom cards, you can find out.

Hello, no, X3L is a mobile version of the model, does not support the network standard of telecommunications, is unable to install telecom mobile phone card use, if you need a telecom mobile phone, you can also log in to the China Telecom online business hall to buy.

No, you can only use a mobile Unicom card.

1. Try it in a different environment and time period, 2. Restart the phone, 3. Enter the phone into Settings - More Settings - Restore factory settings - Restore all settings to try, restore the settings will not lose data, 4. Upgrade and update the system through "Settings - > System Upgrade - >Check for Updates Now".

What is the specific signal is not good, I am also the same mobile phone as you, the same model, the signal is good, maybe it has something to do with your mobile phone card.

It is recommended that you try to turn on your phone again at a different time or place, if it still does not solve the problem, you can try a different SIM card.

Hello! Sorry for the inconvenience, the network signal is heavily affected by your current environment.

1: Check whether your network environment is good, try to change the network environment;

2: Check whether the SIM card is damaged, and replace the SIM card if necessary;

3: If it still can't be solved, please try to restore your phone to factory settings.

4: You can also upgrade your phone to the latest version to optimize your phone system.

There are two ways to self-service mobile phone upgrades:

You can upgrade via wifi**: go to Settings -> General 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.

On the computer** After the program is installed, open the vivo assistant, connect the phone to the computer, after the tool detects the mobile phone, it will access the server, when it detects that there is new software on the server, it will display the word "new" on the "mobile phone upgrade" button, click the button, and upgrade according to the prompts.

Hello! Hello, what SIM card do you use, it is recommended that you try it in a different environment, if your phone is not the latest version, you can upgrade to the latest version after using, you can upgrade through wifi**: enter Settings - > more settings - > system upgrade - >Check for updates immediately-, according to the prompt** upgrade package, click to verify and install, the phone will restart and automatically enter the upgrade mode.

It usually doesn't matter, it depends on your local coverage, but there are some systems that can optimize your phone's ability to receive signals.

Network signals are heavily influenced by the current environment.

1: Check whether your network environment is good, try to change the network environment;

2: Check whether the SIM card is damaged, and replace the SIM card if necessary;

3: If it still can't be solved, please try to restore your phone to factory settings.

4: You can also upgrade your phone to the latest version to optimize your phone system.

There are two ways to self-service mobile phone upgrades:

You can upgrade via wifi**: go to Settings -> General 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.

Upgrade with vivo assistant: l on the computer** After the program is installed, open the vivo assistant, connect the phone to the computer, after the tool detects the mobile phone, it will access the server, and when it detects that there is new software on the server, the word "new" will be displayed on the "mobile phone upgrade" button, click the button, and upgrade according to the prompts.