How to turn on the phone when the key fails to turn it off

First of all, charge our dead phone, the power button is broken, but the charging will definitely be chargeable.

After charging, we unplug the power cord.

Then we plug one end of the cable into the connector of the phone (remember, the other end of the cable is not connected to the computer here).

After the phone is connected to a port with the data cable, at this time we press and hold the home button.

After holding down the home button, we then connect the other port of the cable to the computer.

In the end, we found out that the phone was finally turned on.

Make sure that the key response is normal after removing the case.

Because the amount of pressure after adding a protective sleeve is slightly larger. To check if the screen does not light up after the automatic shutdown caused by the battery being too low, it is recommended to try again after charging. It is recommended to press and hold for more than 15s to force the phone to restart or boot up.

It may be that the phone's memory is full, resulting in lag, it is recommended to clean up the memory junk and try to shut down again.

The power button of the mobile phone does not rebound generally because of the bias and force, blowing the wind on the power button can bounce the power button to try, if it does not work, it is recommended to send it to check and repair in time.

If you are using a vivo mobile phone, you can bring your mobile phone to the vivo customer service center for testing, and the professional and technical personnel of our service center will properly handle it according to the test results and after-sales service policy.

If you are using a Huawei phone, if the buttons on your phone are out of order, we recommend that you back up your data in advance (third-party apps such as QQ and WeChat need to be backed up separately) and go to a nearby service center for help.

Huawei Customer Service Center.

Repair spare parts** inquiry.

Boarding service.

The failure of the power button of the mobile phone is estimated to be due to the life of the power button, or because of the sharp weapon scratching the power button, it is recommended to go to the mobile phone for after-sales maintenance. A smart phone is a general term for a mobile phone type that has an independent operating system, an independent operating space, and can be installed by users to provide software, games, navigation and other third-party service providers, and can achieve wireless network access through mobile communication networks.

The birth of smartphones is the evolution of the handheld computer (pocketPC). The earliest handheld computers did not have the function of mobile phone calls, but with the improvement of users' dependence on the personal information processing functions of handheld computers, and they were not accustomed to carrying mobile phones and PPC devices at any time, so manufacturers transplanted the system of handheld computers to mobile phones, so the concept of smart phones appeared.

Related information

In the hardware architecture of a smart phone, as long as a certain peripheral circuit is added to the wireless modem part, such as audio chips, LCDs, camera controllers, microphones, speakers, power amplifiers, antennas, etc., it is a complete hardware circuit of an ordinary mobile phone (traditional mobile phone). The analog baseband (ABB) voice signal pins communicate with the audio codec chip to form the voice channel during a call.

As can be seen from the system architecture of this hardware circuit, the most power-consuming parts include the main processor, wireless modem, LCD and keyboard backlights, audio codecs, and power amplifiers. Therefore, how to reduce their power consumption in the design is an important issue.

1. Try force restart. Press and hold the power button for more than 10 seconds to force restart;

2. When the power is exhausted, it will automatically shut down, recharge and restart.

The mobile phone is a portable terminal that can be used in a wide range, the full name is mobile**or wireless**, which was originally just a communication tool, and was commonly known as "big brother" in China in the early days. The mobile phone was first developed from the battlefield mobile phone manufactured by Bell Labs in 1940, and then the world's first commercial mobile phone was invented by Martin Cooper, an American Motorola engineer, in 1973. In addition to the typical features, modern mobile phones include a camera, GPS, and Internet connection, all of which are collectively referred to as smartphones.

It may be that the boot button is out of order, my mobile phone has also had such a problem before, it can't be turned on, and finally it was replaced with a piece, and the maintenance personnel said that it was a problem with the line inside, because of corrosion!

It may be that the pot lid of the power button is not good. Replace the lower power button.

If your phone's power on and off button fails, you can try the following methods to turn it on:1Charging:

Connect your phone to the charger and plug it into a power outlet, wait for a few minutes, and then press the power button to see if it can turn on. Sometimes the battery of the phone is too low and it will not turn on properly. 2.

Power button combination: Depending on your phone model, try pressing the volume button, home button, or other key combination on the spine to try to turn it on. For example, some phones can be turned on by pressing and holding the volume down key and the home button at the same time.

3.Auto power on: Some phones will turn on automatically after plugging in the charger, you can try to connect the phone to the charger and plug it into a power outlet, wait for a few minutes and observe if the phone turns on automatically.

4.Find a professional maintenance personnel: If the above methods cannot solve the problem, it is recommended that you find a professional maintenance personnel for inspection and repair.

It is important to note that if your phone's power on and off button fails, it is recommended not to force it to shut down to avoid data loss or system damage due to improper operation.

Summary. Repair method for the failure of the mobile phone shutdown button: 1. The failure of the mobile phone switch button may be due to the poor contact between the rubber pad under the mobile phone button and the mobile phone motherboard, and the mobile phone should be taken to a professional repair shop for repair to avoid damage to the mobile phone caused by self-repair.

2. The failure of the mobile phone on/off button may also be the death of the mobile phone, resulting in a temporary failure of the mobile phone, you need to press and hold the mobile phone on/off button for more than 10 seconds to force the shutdown and restart, and then try. 3. If the mobile phone switch button fails, you can turn on the "raise your hand to turn on the screen" function of the mobile phone for temporary use, and then take it to the repair shop for repair in time.

Under normal circumstances, the mobile phone boot button is broken and can not be turned on normally, you can go to a nearby mobile phone repair shop to repair it, if you don't have time for the time being, you can try to press and hold the volume-key, of course, and some models are pressed the volume + key, connect the mobile phone to the charger, the English interface appears, and the volume button can be released by Xun Tong Mu Tan, wait for about 20 seconds, and the phone will automatically turn on.

If the mobile phone has no effect on the above methods, it means that the user's mobile phone does not support the method, then if you want to turn on the phone, you must repair the boot button of the mobile phone, if there is after-sales, you can contact the after-sales, if there is no after-sales after-sales stove or more urgent, you can find a mobile phone repair shop nearby for repair.

Repair method for the failure of the mobile phone shutdown button: 1. The failure of the mobile phone switch button may be due to the poor contact between the rubber pad under the mobile phone button and the mobile phone motherboard, and the mobile phone should be taken to a professional repair shop for repair to avoid damage to the mobile phone caused by self-repair. 2. The failure of the mobile phone switch button may also be the death of the mobile phone, resulting in a temporary failure of the mobile phone, and it is necessary to press and hold the mobile phone on and off the car for more than 10 seconds to force the shutdown and restart, and then try.

3. If the mobile phone switch button fails, you can turn on the "raise your hand and turn on the screen" positive lifting function of the mobile phone for temporary use, and then take it to the Weiju Hongbi repair shop for maintenance in time.

Summary: If the mobile phone shutdown button and volume shirt sail key fail to fail, it is impossible to force the boot operation to make a mess under the collapse, it is recommended to bring the mobile phone to the official customer service center for testing and then make a maintenance plan.

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 bumps and fails, 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;

If you are using a Huawei phone, if the buttons on your phone are out of order, it is recommended that you back up your data in advance (third-party apps such as QQ and WeChat need to be backed up separately), and go to a nearby service to get help.

Huawei Customer Service Center.

Make an appointment for service. Boarding service.