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Check your phone's firmware information. Settings on Firmware. If it is, wire it directly to iTunes in normal mode and then restore it, if not (generally, then please go to the corresponding version of the firmware file on the game bus.
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Connect your phone to itune and press and hold the home button for 5 seconds, that is, the only big round button on your phone, don't release home, press the top power button at the same time, a total of 10 seconds, then release the power, but don't send home. About 10-20 seconds. Your screen has changed.
Enter DFU mode. There will also be instructions on your itune.
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At this time, hold down the shift key of your keyboard, click System Restore, and a window will pop up, and you can select your previous firmware file to restore if after this process, your phone is still out of order. It's ready to be sent to after-sales.
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It is very rare for some keys to fail due to software, because if it is a software problem, it must be a fixed screen, that is, there is no response at all when pressed, it is recommended to go to a slightly professional repair shop to check it again. If it's a software issue, you can try software restoration. After the software is restored, it still cannot be used normally, and it may require hardware repair, and the software is restored, please use DFU mode, and try not to upgrade to, <>
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Restart first to see if it works, if not, disassemble the machine to adjust the button situation, and if it doesn't work, you can only see if the pins are in poor contact.
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If your phone's keys are malfunctioning, here are some possible solutions:1Restart your phone:
Sometimes the phone's key failure may be a temporary malfunction that can be solved by restarting the phone. Press and hold the on/off button on your phone, select the "Power off" option, and then restart your phone. 2.
Clean the keys: Sometimes the mobile phone keyboard will fail due to dust or stains, etc., you can use a handshake code cleaning cotton ball dipped in a little alcohol or water to wipe the dirt on the keys. 3.
Check the settings: Look for the keyboard settings option in the settings and confirm that key sounds, vibration feedback, and other features are turned on. Sometimes these settings may be turned off or adjusted, causing the keys to malfunction or become unresponsive.
4.Hardware maintenance: If none of the above methods can solve the problem, it may be that the hardware of the mobile phone is faulty, and you need to go to the after-sales maintenance point of the mobile phone for overhaul or replace components such as keyboards.
It is important to note that when dealing with the problem of malfunctioning mobile phone buttons, it is important to be cautious and avoid improper or unprofessional methods that may cause damage or further aggravate the problem.
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Mobile phone in the process of our conscientious service, its own advantages are gradually degrading, once the function of the mobile phone is proud of, as if entering the old age is not so good, such as the mobile phone button, this is a step that we can not cross when using the mobile phone, so when the mobile phone in use encounters key failure, or the virtual button under the mobile phone does not respond to the situation, how should we solve it?
1. Power button or volume button.
1. Reaction freeze or slow:
When using the phone's power button or volume button, the response is slow or stuttering.
To solve the problem, press and hold the home button of the phone to clean up the software running in the background, turn off the phone's self-starting software, or restart the phone and then operate. If the system used by the mobile phone is an old version, you can back up the data of the mobile phone to the computer first, and then upgrade the system of the mobile phone to the latest version to use it.
2. Failure or abnormality caused by loose buttons
The looseness of the power button or the volume button has affected the normal use of the mobile phone.
2. Virtual buttons (three buttons below the phone).
1. Reaction freeze or slow:
Press and hold the home button of the phone to confirm whether it is caused by multiple programs running in the background of the phone; You can often press and hold the home button of the phone to clean up the background running software, turn off the phone's self-starting software, or restart the phone and operate it again, clean up the background running program, close the software and restart.
2. If there is an abnormality in running a third-party program, you can upgrade the software to the latest version to use, or uninstall it first.
3. If the film of the mobile phone screen is a thicker tempered film, especially some cheap tempered film, if you often encounter a slow response to the key, it is recommended to tear off the tempered film and use it, and in the dial interface of the mobile phone, enter * to recalibrate the screen.
4. If it can't be solved, you can back up the data of the mobile phone to the computer, and then enter the settings of the mobile phone - other system settings - factory reset operation; If the current mobile phone is using an old version, you can back up the data of the mobile phone to the computer first, and then upgrade the system of the mobile phone to the latest version to use it.
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The reason for the failure of the phone's buttons
If you don't respond when you press the keys on your phone or if you press some keys with unexpected resultsPlease try the following solutions.
2. Physical buttons such as power button and volume button.
3. Press the power button of the mobile phone to turn off or wake up the mobile phone screen, and press the volume button to adjust the volume. These keys are out of order during operation.
4. Restart your phone. Remove any protective film and case that may impede the use of the keys, check for debris or dirt around the buttons or switches, and clean them with a soft cloth. If the use of the keys is still abnormal, you may need to take your phone to a service center for repair.
In order to solve your problem as soon as possible, you can make an appointment with the service center in advance.
Key Failure Solution:
1. The keys are out of order, most of them are dirty or oxidized by the mobile phone keyboard, just clean it.
2. It may also be that the interface between the keyboard and the motherboard is soldered.
3. Keyboard failure caused by damage to the processor chip.
4. The printed wiring on the motherboard is broken, which will also cause the signal of the keyboard to be unable to be transmitted to the processor chip.
5. If only some of the keys fail, the keyboard is generally dirty. If all keyboards fail, there is a problem with the interface or processor chip.
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1. Confirm whether to use a third-party 3D tempered film, and confirm whether the glue flows into the gap of the button, when pasting the third-party 3D tempered film, it is recommended to use other pieces of paper to cover the key position before the film to prevent the glue from flowing into the gap;
2. If the key fails after the machine is bumped, it is recommended to bring the machine to the vivo customer service center for testing;
3. Restart your phone to see if it is restored;
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Hello, glad to answer for you. Mobile phone button failure one trick solution: Method one:
If the switch of the mobile phone is broken, you can use a needle to pick open the membrane 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 scratch the concave outside of the disc with a needle. Re-align the installation, and then cut it into thin strips with medical tape and paste it.
Method 2: It is recommended to go to the after-sales repair office to repair it, 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, enter the app, turn on the "Volume Keys Bright" option, and agree to the request for root access. Before the phone is on standby, confirm that the power button app is operating 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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