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1. Check whether there is any foreign object in the mobile phone switch button, and you can clean it with alcohol.
2. Check whether the battery of the mobile phone is too low and the screen cannot be turned on after automatic shutdown, you can connect the mobile phone to the charger to charge it and try it.
3. Try to force restart, press and hold the power button for more than 10 seconds, force restart or fail to restart, and automatically shut down when the power is exhausted, recharge and restart.
Fourth, if the above methods are not possible, it is a problem with the motherboard, you can contact the after-sales service or bring the purchase invoice, warranty card and mobile phone to the nearest customer service center for testing and processing.
If your phone has a fingerprint unlock function, then put your fingerprint in the unlock slot on the back of the phone, and you can unlock it without pressing the power button.
If the phone doesn't have a fingerprint unlock function, then unplug the phone's battery, leave the phone in a shutdown state, and then put the phone battery back on.
After the phone battery is installed, connect the reboot and let the phone in charging mode.
Then press and hold the volume + button of the phone (the phone settings are different, it may also be -minus), when the English text appears on the screen, release the volume button, and wait a few seconds for the phone to turn on.
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Just go to your local Huawei after-sales service tomorrow to repair it, if there are spare parts, it will be repaired quickly, if there are no spare parts, it may take a few days to repair.
Now there is no way to turn on the power when the power button is broken, unless you disassemble the power and then short circuit the power switch to turn it on, but you will lose the warranty when you disassemble it yourself, and it may also lead to more serious problems.
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Summary. Hello, glad to answer for you. Dear, the power key of the Huawei phone is broken, if the power button fails, the screen cannot be woken up, if you wear a protective case, it is recommended to remove the protective case and try again, and the amount of pressure after adding the protective case is slightly larger.
It is also possible that the battery is too low to automatically shut down, it is recommended to charge it for a while and then turn it on, or you can press and hold for more than 15 seconds to force restart or turn it on. If it can't be solved, it may be a key problem, it is recommended to back up the data in advance and bring the purchase invoice to the after-sales service point for maintenance.
Hello, glad to answer for you. Dear, the power key of the Huawei mobile phone is broken, if the power button fails, the screen cannot be woken up, if you wear a protective case, it is recommended to remove the protective case and try again, and the amount of pressure after adding the protective case should be slightly exciting or larger. It is also possible that the battery is too low to automatically shut down, it is recommended to charge it for a while and then turn it on, and Wu Huai can also press and hold for more than 15 seconds to force restart or turn on.
If it can't be solved, it may be a key problem, it is recommended to prepare good data in advance, and bring the purchase invoice to the after-sales service point for maintenance.
The power button of the mobile phone is the most commonly used key, and of course it is also very easy to damage, so we can operate it in this way.
Try to set a timer to boot up, and tap [Security Center] on your phone.
Next, the system will detect the power consumption problem, click [Settings] in the upper right corner.
The problem doesn't turn on right now.
Click to turn on the [Timer Power On/Off].
I'm sure it's a switch issue.
In that case, you'll have to go to a repair shop for repairs.
Replace the switch.
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Method 1: If the switch key of the mobile phone is broken, you can use a needle to pick open the film at the position of the power button, after picking it open, you will see a thin disc, press the thin discs with your finger cover to make it more bulging. Use a needle to make a few strokes where the thin disc is placed, and also make a needle on the recess of the thin disc.
Re-align the installation, and then cut it into slender strips with medical thin tape and paste it on Method 2: The suggestion is to go to the after-sales maintenance office for repair, because something like a mobile phone is more delicate, and it is easy to damage a certain part of the mobile phone if you are not careful.
Method 3: If the power key of the mobile phone is broken and the power button cannot be turned on, you can install the power button application software on the mobile phone, and start running the power key application software installed on the mobile phone. When you install a new app, first get root access on your phone.
Go to the app, turn on the "Volume Keys On" option, and agree to the request for root access. Before the phone is on standby, make sure that the power button app is working properly. The next time you use your phone, press the volume up and down buttons directly to trigger the phone screen to turn on.
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How to turn on Huawei when the power on and off button is broken? 1.
Drain the power of the phone completely, and then connect the phone charger, and the phone will automatically turn on during the charging process.
Connect the phone to the charger, press and hold the volume + button of the phone and wait for the English interface to appear on the screen, you can release the volume button, and then wait for a period of time and the phone will automatically turn on.
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First of all, make sure that the phone is charged, and if you don't have it, charge it for a while.
Here comes the operation. Press the volume plus button for a few seconds, don't let go, then plug in the power, it will turn on, and then the following interface will appear.
Select Restart.
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The boot button is broken, then you need to set the automatic switch on and off in the mobile phone, and the time is set up after starting and shutting down, of course, this is not long-term, after all, the mobile phone still needs to be switched on and off for some operations, and it is okay to use, so you need to repair the switch.
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If it's just that the boot button is broken, it's okay, if you have a disassembly tool and an electric soldering iron, it's easy to solve, disassemble and find the PWK point, which is generally near the FPC connection, and the ground wire can be turned on by short circuit, but to completely solve the problem of use, then you have to change the FPC.
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If the Huawei power on and off button is broken, it may be difficult to turn it on, you can go to the after-sales service *** to let the technician turn it on for you, and by the way, fix the power on button for you.
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Confirm whether the key response is normal after removing the protective case.
Check if the screen does not light up after the automatic shutdown caused by the battery is too low, it is recommended to try again after charging.
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I had to go to the mobile phone store to repair it.
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2.There is a reference provided by Huawei terminal customer service below, you can first determine whether the phone is rooted, if not, make sure that the phone has enough power, and press and hold the power button to turn it on.