What is the reason why the phone is locked and can t turn on after being forcibly turned off?

The mobile phone suddenly can't turn on, first press and hold the power button, because sometimes, now know the phone, suddenly shut down, the system is in a state of death all of a sudden, and after you grow, the phone will have a vibrating sound, you let go of your hand, and then press the power button again, you can turn on. 2If you press and hold or can't turn on, then check whether the battery is out of power, because many of the current Zhizhi mobile phones are fake electricity, just saw that there is still half of the electricity, that is, it was not used twice and found that the electricity was almost gone, that is because the electricity in the battery is fake electricity, so sometimes, this situation will occur, the mobile phone suddenly turned on, thinking that the mobile phone was broken, in fact, it was out of power, and there was no power at all, this is the disease that smartphones will have after a long time, so you have to find a charger to plug in and see, Can it be turned on. 3. If it doesn't work, then see if there is a problem with the battery contact, put a little paper on the back of the battery, so that the battery will not loosen, and let the contact point contact tightly.

This is also a problem that will often occur, 4If you really can't turn on the machine, then you went to buy one, and the smart phone maintenance is not easy to use, and it is slow to use it for a long time. Full text.

Anti-theft You can go to the place where you bought your phone and ask him to help you figure it out.

Consult with a professional technician.

You can find the client to solve the problem.

Summary. 1. If you have set a password for your phone's lock screen and you are able to remember the password, you can unlock it in the following ways. If you set up a sliding case to unlock, you can press your phone's power button to activate the screen, then swipe the screen to unlock with the pattern you set earlier.

2. If you have set up a digital password to unlock before, the same operation, you need to press the power button of the mobile phone or other keys that can activate the mobile phone screen, and you need to enter the digital password in the text box to unlock.

What should I do if my phone is locked and I can't turn it on?

1. If Qihong has set a mobile phone lock screen password for you, and you can remember the password, you can quietly unlock it in the following ways. If you set up a sliding case to unlock, you can press your phone's power button to activate the screen, then swipe the screen to unlock with the pattern you set earlier. 2. If you have set up a digital password to unlock before, the same operation, you need to press the boot button of the mobile phone or other keys that can activate the mobile phone screen, and you need to enter the digital password in the text box to unlock.

3. Enter the previously set digital password in the text box, and then touch the "OK" button in the interface. 4. If you have set up a password unlocking method that mixes numbers, letters, and characters, you still need to do the same. First of all, press the power button or other button that can activate the phone's screen, and you need to enter a password with a mixture of numbers, letters, and characters in the text box to unlock it.

Hello. The phone is locked and can't be turned off. Hello.

Take Apple mobile phone as an example: Step 1: If the phone is frozen and stuck, you can try to press and hold the power button on the top for about 5 seconds to see if the phone responds.

If the crash is not severe, the phone will enter the lock screen state or restart automatically. Step 2: If pressing the power button doesn't work, you can also try the second method, which is to press and hold the home button and the power button on the home screen together to force off the power of the pure source hidden phone.

Step 3: If the above two methods do not work, it is a particularly serious crash. At this time, you can connect your phone to a power source or a computer, and then try the second method.

Step 3: If the above two methods do not work, it is a serious situation of the crash special department. At this time, you can connect your phone to a power source or a computer, and then try the second method.

Step 4: If it doesn't work, please turn off the power and let the phone slowly consume the remaining power by itself, and turn it off by itself. When the battery is used up, the power is cut off.

At this time, we charge the phone again, after charging to 5%, and then turn it on again, if it doesn't work, use this, and press and hold the power button and the volume up button at the same time to give it a try.

Summary. Replace the charger. If the phone can't be turned on after being turned off, the most normal reaction should be to change the cable to charge it, because the current charging cable is almost universal.

Spare batteries. If the phone has a spare battery, replace the spare battery of the mobile phone, whether the mobile phone cannot be turned on because of the battery failure. In addition, it is recommended to buy an original battery when buying a mobile phone.

Batteries are consumables.

Why can't the phone be turned on after turning it off with a lock?

Replace the charger. If the phone can't be turned on after being turned off, the most normal reaction should be to change the cable to charge it, because the current charging cable is almost universal. Spare batteries.

If the phone has a spare battery, replace the spare battery of the mobile phone, whether the mobile phone cannot be turned on because of the battery failure. In addition, it is recommended to buy an original battery when buying a mobile phone. Batteries are consumables.

Battery gold finger. If you can't turn on the phone after shutting down, and it is still not good to use the battery after replacing the wire charger and battery, then remove the battery battery, and then see if the gold finger of the battery is shiny, whether it is because the battery is dirty or wet.

Activate the battery. There is also a possibility, that is, because the battery has entered a state of self-protection, in this case, it is generally necessary to activate it, and the simple way is to send it to the maintenance department to activate it directly. But you can do it yourself, that is, use the universal charger to directly put the battery for charging, and the battery can be activated after 5 minutes of charging.

Software issues. If you have installed any software before shutting down, you should know in your heart, if it is a software failure caused by the boot detection can not pass, then of course there is no way to boot, so this situation should be tested and repaired by the after-sales maintenance department.

Mobile phone motherboard. After shutting down, you can't turn on the phone, most of the reasons are caused by the failure of the motherboard, but there is no way to repair the motherboard failure, so when the motherboard fails, you can only send it for repair or replace the phone.

Summary. What should I do if my phone can't be turned on after it is turned off? Here's how:

1 Replace the charger. 2 Replace the spare battery. 3 Battery, is there a shiny gold finger?

4 Charge with universal charge for 5 minutes. 5 The software does not start properly. 6 The motherboard of the phone is broken.

The mobile phone screen looks like it's turned on.,When you hit **, it prompts that it's turned off.,What is the reply.。

You turned on airplane mode.

Summary. Hello, thanks for asking, the phone can be turned on when it is locked. The unlocking method of the screen lock requires long pressing the power off button and the volume button, that is, to enter the recovery mode, and then erase the personal data on the phone, and the password will be cleared.

If it is an ID lock, there are only two ways, the first is to go to the mobile phone store to change the motherboard, which takes about 700. The second method is to deliver to the after-sales service, you need to provide proof of purchase, or order number, which is consistent with the serial number of the mobile phone, before it can be unlocked. Except for these two methods, no one can solve it.

Hope mine can help you.

Hello, my phone is locked, is it not going to turn on??

Hello and thanks for asking. I'm glad to answer for you, I've seen your question, I'm sorting out the answer for your quick horse and mu hunger rock, and I'll reply to you in 5 minutes

Hello, thanks for asking, the phone lock is a sleepy scum that can be turned on. The unlocking method of the screen lock requires long pressing the power off button and the volume button, that is, to enter the recovery mode, and then erase the personal data on the phone, and the password will be cleared. If it is an ID lock, there are only two ways, the first is to go to the mobile phone store to change the motherboard, which takes about 700.

The second way is to send Wang Xiao quietly to the after-sales service, you need to provide proof of purchase to ascend the stool, or the order number, which is consistent with the serial number of the mobile phone, before it can be unlocked. Except for these two methods, no one can solve it. Hope mine can help you.

Summary. If you can't force it to turn on, please check whether the phone has power, there will be a charging indication when plugged in when the power is empty, it may not turn on immediately when it is just charged, please continue to charge for a period of time, and then try to turn it on. If you can't charge, please contact the after-sales service of your phone.

For the boot has a reaction, but does not enter the system, it is recommended to enter the recovery mode to factory restore the phone and try again (recovery mode entry method: press and hold the volume down + power button to turn on).

The phone is automatically locked, what should I do if I can't turn it on?

Hello, I am helping you to inquire about the relevant information and will reply to you immediately.

If you can't force it to turn on, please check whether the phone has power, there will be a charging indication when plugged in when the power is empty, it may not turn on immediately when it is just charged, please continue to charge for a period of time, and then try to turn it on. If you can't charge, please contact the after-sales service of your phone. For the boot has a reaction, but does not enter the system, it is recommended to enter the recovery mode to restore the phone to the factory and try again (Li Yuan recovery mode entry method:

Press and hold the volume to reduce the volume + power button to turn on).

What should I do if the phone is turned off when it is out of power and cannot be unlocked after it is turned on.

Pro, there may be the following possibilities:1The protection circuit in the lithium battery is overly sensitive, so the current will be cut off as soon as it is large.

2.The battery itself is aged. 3.

There is dirt on the metal sheet in the contact position of the battery, which causes poor contact with the power supply. 4.The joint between the battery and the phone is prone to loosening.

If, after inspection, it is found that the first two problems are the first two problems, then it must be sent to a specialized repair shop for repair. If the latter two problems are caused by the oxidation of the dirty metal sheet of the battery, the situation will be improved as long as it is wiped clean with a glue stick. Knowing that the paper or film between the battery and the mobile phone can also solve the problem of poor contact caused by loose batteries. Hitchhiker.

If you are using a vivo mobile phone and the device cannot be turned on, observe the device fault phenomenon and troubleshoot it according to the corresponding methods below:

Scenario 1: When the device is turned on, the screen does not stare at the screen, and the device does not vibrate or other reactions.

Check whether the battery is sufficient, charge the device for more than half an hour, and try to turn it on again;

Force restart the device to try to resume use here:

FunTouch OS and later models: Press and hold the "Power button" + "Volume Down button" at the same time for more than 10 seconds;

Press and hold the top round button for more than 10 seconds to force restart the phone (applicable to NEX 3 NEX 3S);

FunTouch OS previous models: Press and hold the "Power Button" for more than 12 seconds.

If the device is stuck, damaged, or liquid, please bring the device to the official vivo service center for further maintenance.

Scenario 2: When the device is powered on or forced to restart, the screen does not display.

If the device vibrates, but the screen is still black, it is more likely that the screen is faulty, please bring the device to the vivo official service center for further maintenance.

Scenario 3: When the computer is turned on, the screen is displayed and cannot enter the desktop.

Force restart the rubber rolling device to try to resume use, operation method:

1. FunTouch OS and subsequent system models: Press and hold the "Power Button" + "Volume Down Button" at the same time for more than 10 seconds;

2. Press and hold the top button for more than 10 seconds to force restart the phone (applicable to NEX 3 NEX 3S);

3. FunTouch OS previous models: Press and hold the "Power Button" for more than 12 seconds.

Try to repair the system through the "System Repair Mode".

Operation method: Step 1: When the phone is turned off or restarted, press and hold the "Power Button" and "Volume Up Button" at the same time before the screen turns on for 3 10 seconds, until the screen displays the word "fastboot" and then release the button, press "Volume-" to move the cursor to "Enter Recovery".

Step 2: Find [Install System Software" > Network Update Latest Version**Latest Version > Connect to Available WiFi >>> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >

<> foldable screen: Operate in the shutdown state, press and hold the "Power Button" and "Volume +" at the same time for about 5 seconds to enter fastboot mode.

NEX 3 NEX 3S: Press and hold the top round button for about a second in the shutdown state, and then press and hold "Volume +" to enter fastboot mode.

If the above methods fail to help recover, it is recommended to call the customer service center in advance to confirm the relevant matters and understand the working time, so as not to delay precious time.