Now we will try to figure out the reasons why your Android phone/tablet reboots on its own and we will try to understand how to fix the problem. It can reboot simply by lying on the table, in your pocket, when connected to a charger, during a call, and in other cases.
We will structurally divide the article by types of reasons to make it easier to read and find the item you need.
This article is suitable for all brands that produce phones on Android 10/9/8/7: Samsung, HTC, Lenovo, LG, Sony, ZTE, Huawei, Meizu, Fly, Alcatel, Xiaomi, Nokia and others. We are not responsible for your actions.
Attention! You can ask your question to a specialist at the end of the article.
Moisture ingress
Water is an excellent conductor of current and, when it gets inside the phone, it can cause the closure of various contacts, from the power button to the battery controller. The result is random device shutdowns.
In this case, drying the smartphone will help. To do this, you need to remove the back cover, disconnect the battery and use a household hair dryer or place the gadget on a heating radiator. In order not to damage the plastic components, you need to monitor the heating temperature - it should not be higher than 45-50 degrees Celsius.
The phone turns off by itself
First you need to determine the reason why the phone turned off:
- software failure;
- mechanical damage;
- incorrect battery operation.
If, as a result of a fall, the smartphone stopped functioning normally and began to turn off, the reason is damage device parts . If no mechanical injuries were sustained, then the battery is working and the problem is related to the software.
Mechanical damage cannot be eliminated with your own hands, so you should seek repairs.
Battery is faulty or loose
The main reason why most smartphones fail is moisture. To save the gadget, cleaning and drying is required, otherwise the phone may become inoperable. If the battery is faulty, you need to replace it.
The battery may simply come off and you can place a thin sheet of paper or cardboard between the back cover and the battery. If the battery is in working condition, then you can just clean the terminals from dirt and the problem will solve itself.
Low battery
This can happen at any time, even when the charge is full, or maybe at 40 percent, 15 or even 5. If the phone turns off at 5/15/25 percent of the charge, you need to do a full reset and clean the device. The battery should then be recalibrated. If the situation has not changed within 2 days, you should contact a specialist.
Viruses
When your phone or tablet turns off on its own when the battery is charged, it’s time to check the device with an antivirus. Viruses are the cause of most smartphone malfunctions. You should use an antivirus program to prevent your device from becoming infected.
Software problems
There may be several problems with the software:
- Not enough memory . In this case, you need to free up space.
- Reboot the phone . Don't clog your device with unnecessary programs.
- Virus . It is necessary to detect and eliminate the pest.
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System failure
The phone may turn off even when fully charged. The cause may be a failure in the device's OS, most often due to incorrect firmware . You need to repeat the firmware procedure or contact service. If the problem is not resolved, it’s time to update. The device itself may be faulty.
Hardware faults
If the device starts to freeze, then the problem probably lies in the flash card. You can simply change it.
When the phone heats up and turns off, there is likely a manufacturing defect . It's good if there is a valid warranty.
One of the worst and most expensive reasons is damage to the board , when there are no options other than replacement.
In conclusion, I would like to note that with careful use, the likelihood of uninterrupted ownership of the gadget is very high. Technology, like people, also needs to be treated with care.
Software
The Android operating system and installed applications are a software component. Errors in their operation, especially after updates, cause the phone to shut down, after which the operating system takes a long time to load. Malware also leads to this. In this situation it is necessary:
- check your smartphone for viruses;
- if a reboot occurs after launching a specific application, it needs to be reinstalled;
- If the gadget turns off regardless of the launch of programs, you need to reset the operating system settings to factory settings - this will eliminate all system errors and return to stable factory firmware.
Other solutions
When the phone constantly restarts, turns off or turns on by itself, this primarily indicates that a software failure . Also, the reasons may be hidden in mechanical damage after a fall or impact. In these cases, you can go to a specialist to determine the breakdown.
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But often the reason why a smartphone or tablet turns on and turns off immediately may be a trifle, and you can fix the problem yourself by flashing the device or resetting it to factory settings.
Memory full
The smartphone's memory module is designed not only to store the user's personal data (photos and videos), but also to ensure the operation of the operating system. This part of the memory is called RAM. When the internal memory becomes insufficient, the phone begins to slow down and turn off spontaneously.
This is especially facilitated by running and not stopped applications, as well as accumulated garbage. We recommend getting rid of unnecessary files and cleaning the operating system using special utilities.
The second reason why the phone turns off immediately after turning it on is errors in the software
A very effective way to solve this problem is to flash the Android manually - not through a standard update.
Only this method will not solve the problem if you have accessed pre-installed applications, the operating system with root access, or deleted system files.
Then only installing a licensed Android OS will help. At the very beginning, I recommend doing a reset, or even better, a hard reset, called a hard reset.
This procedure in most cases fixes the problem where the phone turns off on its own. I won’t describe the process now - you can find it on this site in the android section or through a search.
CPU overheating
A smartphone is a multitasking device, i.e. we can work with several programs simultaneously. The more programs are running, the more intensively resources are used. Including the heart of the device—its processor—works more actively. The operation of the processor is accompanied by heating, which can damage it. If the throttling system, which we described in detail in this article, works incorrectly or late, the gadget will reboot.
You need to calculate the capabilities of your device and not keep the processor at maximum load. To do this, close unused applications more often, and choose modern games with heavy graphics in accordance with the system requirements.
The smartphone was damaged
If an Honor phone does not turn on after being physically damaged, in most cases important modules and internal circuits of the gadget could “fly”. You can try removing and reinserting the battery, rebooting the device, or performing a factory reset. If this doesn't help, head to the workshop.
If the blow was not critical, you need to press the power button harder. When exposed to external influences, the contacts sink and the distance between them increases.
Damage to electronic components
A smartphone consists of many electronic components - motherboard, controllers, processor, memory module and others. They can be damaged as a result of external influence (fall, impact) or due to the banal depletion of resources. In any case, the failure of one of the components leads to incorrect operation of the entire device, including constant reboots. This requires qualified diagnostics.
If none of the previous points correspond to your situation, all that remains is to contact the service center.
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Remove problematic apps
Most of the time, random reboots are caused by a bad application. Try removing apps you don't use. Make sure the apps you use are reliable, especially those that handle email or text messages. A friend of mine recently discovered that his smartphone was rebooting when he received an SMS message. Removing the SMS app solved this problem.
You may also have an app running in the background causing Honor to reboot constantly. If a background application is the suspicious cause, then try removing it.
Here is a checklist for troubleshooting problems with applications that cause Honor to reboot:
- Remove apps you don't need. This is especially suitable for any applications that control audio, ringtones, wallpapers, widgets, or use GPS.
- Make sure the remaining applications are up to date.
- Find apps that are running in the background. Before this, restart your smartphone, go to Settings -> Applications -> Active. If you see a list app you can do without, delete it. If it is impossible to remove, then try to stop it.
If your phone falls into water
If water gets into Honor 9, 20, 7, 8 and other modifications, it affects the phone's internals in the same way. Since the devices have average protection against moisture, measures must be taken immediately.
Necessary:
- Remove the battery immediately.
- Remove all removable elements (cover, cards, case) - find out how to open the cover of an Honor phone.
- Wipe with a soft dry cloth.
- Leave to dry for at least 12 hours in a dry place.
- Periodically blow with additional warm air, without collecting or turning on.
On a sunny summer day, a window sill is suitable for drying the device.
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