Why can the mobile phone be used, it can be turned on but it can t be done for a while,

Problems with the motherboard of the mobile phone, the problem of connecting the power supply line on the motherboard.

Poisoned shellfish It is recommended to go to the flash.

Copycat or positive? Oh, look like you're genuine, or you wouldn't be out of the question! But how is it so bad? Boss, you have to make it clear.

It may be that there is no power, it may be that there is a problem with the system, and whether you have deleted the files in your phone? Some can't be deleted.

Let's have a black eye, I don't know what the situation is, so there is no good advice, where to buy it**Check it, the brand machine has a customer service department, take it to check!

What is a phone? If it's a Nokia, you can flash the phone first, there is a tutorial on the Internet, it's very simple. If it doesn't work, it's a hardware problem, I have a friend who has had this problem, went to repair it and found that the power chip was broken, resulting in unstable voltage, and it was shut down soon after it was turned on.

In short, it is recommended that you take it for repair, and it is best to have a warranty.

Take it to the after-sales test to see what the problem is! Let them fix it for you!

Is there a problem with the display, or the cable is broken, go to the mobile phone repair shop to take a look!

Generally, it's a problem with the battery, you see if the battery is loose, if it is, stuff some paper or something. It's also possible that your battery is failing, so let's try a different one.

If you are using a Huawei phone, you can try the following methods:

1. Some mobile phones have Zhiling keys, and the three buttons are the volume key, the power button and the Zhiling key from top to bottom. Please press the power button in the middle to turn on the machine, and press the Zhiling button to turn it on.

2. Please check whether the power button is damaged, whether there are problems such as insensitive pressing.

If the power button is damaged, bring your phone and receipt to a nearby Huawei Customer Service Center for repair.

3. It may be that your phone is out of battery, please make sure your phone is in a state of sufficient power. When the phone runs out of battery and may not turn on immediately when you just plug in the charger, please use the standard charger to charge continuously for a period of time before trying to turn it on.

4. If you press and hold the power button after charging and the screen and indicator still do not respond, bring your phone and invoice to a nearby Huawei Customer Service Center for maintenance. Note: If your phone can be turned on, it is recommended that you back up your data immediately.

The phone can not be turned on and many reasons are related, you can check step by step, first check whether the battery can be charged normally, otherwise replace the new battery, and then there may be a problem with the system, it is recommended to try to force a factory reset or flash to solve, the specific methods are as follows: the phone is turned off, press and hold the power button and the volume button, enter the recovery mode of the phone, move the cursor up and down through the volume button, select the double clear data, use the power button to confirm the selection, Then choose to restore factory settings and restart the phone, otherwise you can only try to use computer software to flash the phone, or 9008 deep flash, or it may be that the internal hardware of the phone is damaged and needs to be repaired after the phone is repaired.

1. Check whether it is caused by low battery power.

After charging for 30 minutes with the standard charger and data cable, press the power button to see if there is a charging screen.

No charging screen: Please replace other chargers and data cables that can charge normally to confirm whether the charger and data cable are abnormal. If there is still no charging screen after replacement, it may be a fault of the mobile phone, it is recommended to bring the mobile phone, charger and data cable, and purchase voucher to the customer service center for testing;

There is a charging screen: Please press and hold the power button to try to turn on, if it can't be turned on, please follow the methods below to continue troubleshooting.

2. Confirm whether the mobile phone has been liquidated or damaged.

Liquid inlet of the mobile phone: If the mobile phone has been automatically turned off, please do not try to turn it on, use a paper towel to absorb the liquid, and send it to the local vivo customer service center for testing as soon as possible.

Lost mobile phone: If there is instability after the mobile phone is damaged, it is recommended that you send your mobile phone to the local vivo customer service center for testing.

3. Force restart phone attempt:

1. Press and hold the power button to pop up the "Restart" option to turn it off;

2. Slide down at the top of the screen to bring up the shortcut details page twice Swipe up at the bottom of the screen to enter the control center, and click the "Shutdown and Restart" switch;

3. Force restart the phone; (It is recommended to use it when the phone is frozen or stuck).

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;

Fourth, repair the system.

Enter recovery mode -- install the system software -- determine the latest version of the network update -- **latest version and install it, connect to the available wifi -- and install -- restart the upgrade package after it is successfully installed.

5. Bring your mobile phone to the service center for testing.

It is recommended to enter the vivo official website first--my--after-sales service--all services--appointment service, select the province or city where you are located, match it to the service center, and fill in the relevant information to apply for an appointment for maintenance. You can call the customer service center in advance to confirm the relevant matters and understand the working hours to avoid losing precious time.

Check the battery first, if the battery is fine, it means that the electronic components of the boot are damaged.

The phone has been turned on, but it can't be turned on, there are the following three methods: 1. Press and hold the power button (some machines need to press and hold the power button and the volume button at the same time for more than 7 seconds) to restart the machine.

2. Connect the charger to see if there is a charging display, if there is a display, charge it and try to restart it.

3. If the hardware of the mobile phone fails, go to the corresponding after-sales point for repair.

The phone doesn't turn on, what is the reason why the phone suddenly won't turn on? What to do? My workaround.

There are many factors that cause the phone to not turn on, which are mainly divided into hardware problems and software problems. If it is a software issue, press and hold the power button and the volume button at the same time, and release the handle when the power on sign appears. Click "Empty Data" to reset your phone so that it can be turned on.

A mobile phone that has been turned on can only be turned off, not turned on. Because the phone has only one status, it is either turned off or turned on.

What is the system?,What mobile phone?,If it's Android, it's recommended to go into the engineering mode to take a look at it (Note:After double clearing, the phone will automatically clean up all the software and data under the previous one.。

If the mobile phone cannot enter the system page after booting up, and the screen is stuck or frozen, it is recommended to:

1.Please press and hold the power button and the volume answer button at the same time for more than 7 seconds to restart the device; If it is a mobile phone with a removable battery, please press and hold the power button for 8-10 seconds to restart the machine, if it does not work, please turn off the battery and reinsert it.

2.If the problem persists after restarting the machine, it is recommended that you bring the purchase receipt, repair card, and machine to the Samsung service center for inspection.

If the phone screen is black, it is recommended that you:

1.Press and hold the power button (some machines need to press and hold the power button and the volume button at the same time for more than 7 seconds) to restart the machine.

2.Connect the charger to see if there is a charging display;

If it is invalid, please bring the purchase invoice, repair card and machine to the Samsung service center, and a professional after-sales engineer will help you test it.