Samsung phones always turn on automatically, and they turn off again after less than 20 seconds

In the case of automatic shutdown of the mobile phone, Samsung mobile phones are generally recommended to carry out the following steps to troubleshoot and deal with it:

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

2.Check that your phone has enough battery.

3.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.

4.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. Samsung Service Center Address Information Customer Service**, you can inquire through the following methods: Please log in to the service center page of Samsung's official website - select the product you want to inquire about and the province or city where you are located to search.

Samsung phone has an automatic shutdown situation, it is recommended:

1.If the battery of the mobile phone is low, the mobile phone will automatically turn off, it is recommended that you charge it for a while.

2.If the power is sufficient, there is still an automatic shutdown, it may be caused by software compatibility, if there is an automatic shutdown situation for many times, it is recommended to delete the recently installed third-party software, excluding whether it is related to the ** software.

3.Please back up your phone's important data and restore it to factory settings.

4.If the problem persists, since the battery of this model cannot be disassembled by itself, it is recommended that you bring the purchase invoice, warranty card and tablet to the local Samsung service center for professional engineers to help you test.

Samsung TV automatically restarts, it is recommended that you:

1.Check that both ends of the power cord are securely connected.

2.Check whether the power supply at home is normal and whether other electrical appliances can be used normally.

3.If the above operations do not solve the problem, please report for repair through Samsung's official website, and Samsung maintenance personnel will come to check and deal with it.

1. Confirm whether the contact between the battery and the mobile phone battery connector is reliable and normal. If it is found to be loose, there is a hidden danger that will lead to automatic shutdown. You can improve the contact between the two by adding a "pad", which is simply to squeeze the battery tightly and don't let it shake casually.

2. There is a virtual welding phenomenon in the nickel strip inside the battery or the link between the protection plate and the battery cell, which will also lead to unstable power supply and automatic shutdown. It is recommended to replace the battery in this matter.

3. If the motherboard fails, there is usually a problem with the CPU, memory or PM (power management), resulting in unstable power supply, and it needs to be repaired. Most people don't know, according to the mobile phone three guarantees law, mobile phone products are repaired within 1 year, if the manufacturer refuses, you can call 12315 to complain or report to the consumer association.

4. Software failure, because there is a bug in the software operation, the internal mechanism automatically determines the restart, so it will be found that it will often automatically shut down and restart. You can try to upgrade the software again.

If your phone is automatically restarting, it is recommended that you:

1.Some machine batteries are removable, it is recommended to remove the battery, use a cotton swab to clean the battery contacts and the contact points where the phone connects to the battery. Then plug the battery back into your phone.

2.Uninstall and delete recently installed software to rule out whether it is caused by software incompatibility.

3.Try replacing it with another original battery.

4.If there is an external SD card in the mobile phone, it is recommended to temporarily remove the SD card to see if the same situation occurs.

5.Back up your data (contacts, text messages, **, etc.) and try after a factory reset.

6.Check your phone for firmware prompts. If so, please upgrade your phone to the latest version.

If the problem persists, it is recommended that you bring the purchase invoice, repair card and mobile phone to the local Samsung service center for professional engineers to help you test.

There are five reasons for this:

The first type: because the software in the background is still running, and the mobile phone CPU and memory are consumed, the mobile phone battery is used, so it will soon be shut down when the power is out.

Second: background data is still running.

The third type: battery aging.

Fourth: the battery of the mobile phone has a power-off protection function, if the current of the mobile phone is abnormally excessive, the mobile phone battery will start the power-off protection function and power off.

Fifth: If the mobile phone battery is in poor contact, you can open the back cover to reinstall the mobile phone battery.

You can do the following:

1.Take out the SIM card and SD card at the same time and try to power on again.

2.When you see the "Samsung" logo icon when you reboot the device, press and hold the [Menu Key] (left touch-sensitive button)Press and hold the [Volume Down Button] for recently launched models until the word "Safe Mode" appears in the lower left corner of the screen, then let go, back up data (for example: contacts, text messages, **, etc.), and restore factory settings.

3.If you can't enter the safe mode or the problem persists after operation, it is recommended to bring the three-pack certificate of the mobile phone and send the mobile phone to the nearest Samsung service center for testing and repair.

It is recommended that you try the following:

1. Uninstall the recently installed third-party software and preliminarily eliminate the cause of system software conflicts.

2. After taking out the external SD card, test whether there is still a reboot phenomenon 3. Try to see if the system version of the mobile phone is improved after updating.

4. Back up your phone's data (**book, SMS, **, etc.), and restore your phone to factory settings If the problem still exists through the above methods, it is recommended that you send your phone to the nearest Samsung service center for testing.

This is usually a system failure. It is recommended to back up your phone data after the phone is fully charged to more than 50%, and then restore the phone to factory settings. If the factory reset is still like this, first check whether the mobile phone charging socket has foreign objects or damage, and deal with it in a targeted manner.

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If the Samsung phone frequently restarts automatically and the machine cannot be used normally, it may be a problem with the phone's system or hardware

1.Check whether the auto-restart function is set (both on the machine and third-party apps).

2.Try to update the system version of your phone (please back up the data in your device before upgrading).

4.If the phone battery is removable, it is recommended that you replace it with another original battery to rule out whether it is a battery problem.

If the problem persists after the above operation, please bring the purchase invoice, repair card and machine to the service center, and the engineer will help check and deal with it.