The phone automatically shuts down for no reason, ?

If there is a problem, go to the after-sales service, or replace it with a new one.

Possible causes:

1.The installed phone case does not match the phone or is not installed properly, causing the power button to get stuck or squeezed, triggering the phone's long press the power button to automatically restart the mechanism.

2.If the temperature is too low or too high, the low temperature or high temperature protection function of the mobile phone will be triggered, resulting in automatic shutdown and restart.

3.It may be caused by too many cache files on the phone, causing the phone to automatically shut down and restart due to excessive load.

4.It may be that the file system in the SD card is abnormal, and the phone automatically shuts down and restarts for no reason.

5.Confirm whether the timer power on and off function is turned on.

Solution: 1) If the phone is normal after removing the case, we recommend that you replace it with the official Huawei standard case.

2) It is recommended that you try to keep your phone in the ideal temperature (0 to 35) to avoid this problem and effectively improve the battery life.

3) The cache file will be automatically cleared after the phone is restarted, please use it normally after the phone is restarted. We recommend that you clean up background apps in a timely manner.

4) If you use an SD card on your phone, it is recommended to take out the SD card after turning it off and try again.

5) Click "Settings" > "Smart Assist" > "Timer Power On" and "Timer Power On" to check whether the "Timer Power On" and "Timer Power Off" switches are turned off.

If the problem persists, we recommend that you back up your important data in advance, restore your phone to factory settings, repair it through Huawei Phone Assistant, or restore the system version of your phone through eRecovery.

If none of the above methods fail, back up your data in advance and bring your purchase voucher to a nearby Huawei Customer Service Center for maintenance.

1. Check whether the card orientation of the mobile phone card and memory card (SD card) is correct, sometimes the installation is not normal, it will also lead to automatic shutdown;

2. When the battery is dead, it will automatically shut down;

3. Automatic shutdown due to software problems;

4. Press and hold the power button for more than 10 seconds to force restart the phone, if the phone can enter the standby interface normally, the phone will be repaired through the normal upgrade and recovery operation mode. If it still won't turn on and can't restart, repair the phone by forcing the upgrade to resume the operation.

Automatic shutdown may be set in the settings.

If your phone turns off automatically, try it step by step as follows:

1.Whether the automatic power-on and shutdown function is set;

2.For mobile phones with removable batteries, you can turn off the battery and use a cotton swab to clean the metal contacts of the battery.

3.Back up your phone's important data and reset your phone;

The above methods are invalid, please bring the three-pack voucher and mobile phone to the Samsung service center for testing.

Isn't there three teeth on the battery?,Use something to pick it out.,Let it better contact with the excuse of the phone.,It's good.。 Or get a new battery.

It's good to flash the phone.,My previous phone is.,The symptoms are the same.,But I'm installing software.。

It's useless, say so much, it is recommended to send it to the repair point for a professional to check it in person

I guess it's your phone's electrical board, or somewhere there's a problem, it should be the hardware! Check it out at your mobile phone store.

Sorry, since the specific model of your phone is not known, it is recommended that you:

1.Remove the SIM card and battery, clean the contacts with an eraser, and reinstall them to see if they are restored.

3.Back up your mobile phone data (**book, short message, multi** files, etc.), restore factory settings, if the problem still exists, it is recommended that you bring the mobile phone three packs of vouchers, and send the mobile phone to the nearest Samsung service center for testing, for specific service center inquiries, please visit:

Hope it can help you, I wish you a pleasant stay!

Loosening of the battery contact points.

It is likely to be a problem with the battery, or it may be a problem with the electric board, the aging of the electric board causes poor contact, you can use something to wipe the contacts of the battery, if not, it is best to ask an expert to take a look.

See if the battery is loose or there is a problem with the wiring inside.

1. The 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 at the contact point of the battery, which causes poor contact with the power supply.

4 The joint between the battery and the mobile 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.

Putting paper or film between the battery and the phone can also solve the problem of poor contact caused by loose batteries.