How to turn on the mobile phone signal locked? Why does the mobile phone lock when there is no signa

1. Try to re-insert the SIM card or replace it with another SIM card (some models do not support the use of telecom cards);

2. Slide out the shortcut bar at the bottom of the screen - turn off the mobile phone airplane mode and then open the observation, or you can change the network environment to try;

3. If two telecom SIM cards are installed, one of them cannot be recognized;

4. Go to the mobile phone settings - mobile network dual SIM and mobile network to check whether the SIM card is turned off;

If you still can't solve the problem after following the above methods, you can bring your mobile phone to the local after-sales service center for testing and processing, enter the mobile phone settings - more settings - after-sales service to query the nearest after-sales information, or enter the vivo official website - service - service outlets for inquiry.

If your phone signal is locked, it may mean that you have accidentally made some mistakes, so it is recommended that you follow the above operation to turn it on directly.

We can't solve it personally, go to professional maintenance personnel, they will have a way.

This requires you to enter your password, and you can access the Internet as soon as you enter your password.

The mobile phone signal is locked, and you can go to the mobile hall to handle business.

It is recommended to restart or see if the settings are turned on.

1. Check whether the mobile phone has turned on the network switch, and the mobile phone needs to turn on the network connection function to connect to the network.

2. Check whether the mobile phone is in arrears, the mobile phone in arrears cannot be connected to the data network and needs to be recharged.

3. If you can't access the mobile network due to network delay, you can turn on the airplane mode of the mobile phone, turn it off after five seconds, and then reconnect to the network or restart the mobile phone.

4. If the network settings are not set up, you can call the operator to which the mobile phone card belongs, and ask the customer service to send the relevant data of the Internet settings and set it according to the prompts.

5. If the signal in the place is not good, you can't connect to the mobile network, you can change the place and connect again.

Call Settings > Line Switching>> Select Line 1, or restore factory settings.

Summary. Hello Dear The problem of the mobile phone locking without signal is caused by the settings of the mobile phone or the operator's policy. Generally speaking, the mobile phone will automatically switch the communication mode according to the signal provided by the operator, and if the mobile phone detects that there is no signal, it will automatically search for the signal source around it.

If you search for too long or don't find a valid source, your phone may automatically protect itself by locking the screen to keep your battery and hardware safe. In addition, some carriers take similar measures to prevent undesirable messages and harassment** by forcing the operator to lock down the device if it detects that it has been out of signal for a long time, ensuring that the device does not cause network problems or is being used to send unwanted messages. It is recommended that when you encounter this situation, you can first try to move to an area with a good signal, or contact the operator for help to solve the problem to avoid the problem of locking the phone.

Hello Dear about the problem of locking the phone without a signal, it is because of the settings of the mobile phone or the operator's strategy. Generally speaking, the mobile phone will automatically switch the communication mode by the signal provided by the large return carrier, and if the mobile phone detects that there is no signal, it will automatically search for the signal to find the surrounding signal source. If you search for too long or don't find a valid source, your phone may automatically protect itself by locking the screen to keep your battery and hardware safe.

In addition, some carriers will take similar measures to prevent the intrusion of bad messages and harassment**, if they detect that the device has not been able to communicate and starve for a long time, they will force the operator to lock the function to ensure that the device does not cause network problems or is used to send harassing messages. It is recommended that when you encounter this situation, you can first try to move to an area with a good signal, or contact the operator for help to solve the problem to avoid the problem of locking the phone.

I hope mine can help you, if you have any other questions, please feel free to ask them Extension: In the absence of a signal, if you use airplane mode or set your phone to only use 2G mode, it may reduce power consumption and extend battery life, while also avoiding invalid signal on your phone. In addition, if you are constantly in an environment with poor signal, you can buy equipment to enhance the signal to improve the quality of communication.

Wide acacia. I bought a mobile phone, and the merchant said that if there is no signal, it will lock the phone and need to be flashed.

Dear, in this case, I also recommend that you flash it.

Summary. Hello dear, the following <> for your expansion

So you need to make sure that your area is covered by 5G, and if there is no 5G signal, it will not be displayed; Go to Settings - Cellular - Cellular Data option to see if your device has 5G activated, and if not, contact your carrier. Turn on airplane mode and then turn it off, you can also restart your phone. If you still don't have 5G service, contact your carrier.

Why does the mobile phone lock when there is no signal?

Hello dear and happy to answer your <>

If the mobile phone has no signal, the wheel will be locked to solve the SIM card problem as follows: If your two SIM cards do not support 5G network, then you cannot use 5G network in iPhone 12 mobile phone; Regional issues: Make sure that your current city or region is covered by 5G signals, and only if the Hail 5G signal is covered, you can use the 5G network.

Hello dear, the following <> for your expansion

So you need to make sure that your area is covered by 5G, and if there is no 5G signal, it will not be displayed; Go to Settings - Cellular - Cellular Data option to see if your device has 5G activated, and if not, contact your carrier. Turn on airplane mode and then turn it off, you can also restart your phone. If there is still no 5G service in the state, please contact the carrier.

The mobile phone suddenly cannot be used on the mobile network for the following reasons:

1.If the mobile phone is in arrears, the mobile data of the mobile phone cannot be used.

2.There is no signal on the network and the mobile phone connection is unsuccessful.

Solving the dilemma: 1First, check whether there is any abnormality in the Bunacha network.

2.Try to restart the phone, the restart function of the smartphone has a certain fixing effect.

3.Mobile phones generally also have mobile network control shortcut keys, different brands of Zhiwang Luneng mobile phones may be different in the settings, check that the network is open.