Why did the p40 suddenly restart automatically, today it is already the second time?

Please perform the following steps to troubleshoot the problem:

1 Please check if your phone has enough battery.

Please keep your phone fully charged. When the battery is lower than 3%, please do not try to turn on the phone to avoid damage to the battery, it is recommended that you try to turn it on after charging to more than 3%.

2 Whether the power button has been touched by mistake.

It may be that the phone restarts by putting the phone in your pocket or bag and squeezing the power button, please pay attention to avoid squeezing the power button, if you squeeze it for more than 10 seconds, the phone will automatically restart.

3 Check if your phone is in an environment where the temperature is too high or too low.

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 or restart. It is recommended that you try to keep your phone at an ideal temperature (0 to 35).

4 Check whether the timer is set to power on and off.

5 Check if the storage space is sufficient.

It may be that your phone has too many cache files and not enough memory. We recommend that you use Phone Manager.

Clean up your phone's storage space in a timely manner, and uninstall apps that you don't use often, and keep your storage space sufficient (more than 20%).

6 Try removing the external memory card.

An abnormal external memory card may cause the phone to automatically shut down or restart. If you are using an external memory card, it is recommended that you observe it for a period of time after removing the external memory card.

7 Try a factory reset.

or System Repair.

It is recommended that you back up important data in advance and restore your phone to factory settings.

Perform a system repair.

8 Still can't solve it?

Hello, there are many reasons, you can take a look at it below:

1) The easiest: Since every flash phone does not do a full erase, this leads to some configuration confusion. Workaround in this form:

Erase all storage formats. such as "file2 system".

2) Due to the mobile phone software itself: After the mobile phone is turned on, many background programs will run, at this time, due to the defects of the software itself in memory management, resulting in improper memory use, at this time, the machine will restart. This is a software issue and the software must be upgraded.

3) Reboot due to mismatch between hardware and software.

Check the relevant spec and product information to see if the software supports the hardware version.

4) At the lowest level, the process of software flash is not right. ）

In addition, such as operation error, poor contact of mobile phone card, weak signal and unstable current and voltage. But this is only some external reason, not a real reason.

Through the above reasons, if the fault of the mobile phone restart has not been completely solved, the best advice is to send it for repair (but the repair should also be noted, many "black shops" will replace the parts in you, and you are not notified in advance, so it is best to find a reputable or a friend who understands this industry).

When you encounter the situation that your phone automatically restarts, you can deal with it according to the following methods::

1. Use one key to speed up the cleaning of the phone and release a certain amount of running memory;

2. Check whether it is the latest system, if not, you can upgrade the latest;

3. The software causes the phone to restart: go to Settings - Application & Permissions More Settings - Application Management Application - (All) - Find the software to clean up the data and cache of the software;

My P40Pro has been used for less than 5 months, and it often restarts automatically in recent days, and it is sent to the after-sales service center for testing and says that it is a problem with the motherboard, and the memory chip is broken, saying that the motherboard needs to be replaced. You can refer to it and go to the after-sales service to inspect the machine.

This situation may be related to your recently updated system, the system has been unstable after the update, many people have encountered this problem, you can wait for the next version of the update to solve!

P40 mobile phone has only been on the market for a few months, it must be within the warranty period, if there is a problem, you should first go to the after-sales inspection, Huawei mobile phone after-sales service is still good, if you are sure that it is not man-made damage, people will give you a new machine.

It is possible that there is some malfunction in the system. Don't worry too much.

You said that in this case, the system should be automatically upgraded, so the system that needs to be restarted will be automatically upgraded and will start automatically.

Huawei P40 always restarts automatically, what's going on, dear! If you encounter the situation that your mobile phone automatically shuts down or restarts, please follow the following methods to troubleshoot and solve the problem: 1. Check whether the mobile phone has sufficient power, and it is recommended that you use the standard charger to charge it continuously for more than 30 minutes before trying to turn it on.

If the device still persists, please bring the relevant proof of purchase to a nearby Huawei customer service center for maintenance. 2. Avoid accidentally touching the phone button may be the phone restart caused by putting the phone in the pocket or bag and squeezing the power button, please pay attention to avoid squeezing the power button, if the phone is squeezed for more than 10 seconds, the phone will automatically restart. It may be that you unintentionally pressed the combination of the power button + volume button to enter a special mode and cause the phone to restart, in order to avoid you from this situation again in the future, Jiandong sent you to check whether the keys are easy to get stuck, or the protective case you wear squeezed the buttons.

3. If the temperature of the mobile phone is too low or too high when using the mobile phone at a suitable temperature, it will trigger the low temperature or high temperature protection function of the mobile phone, resulting in automatic shutdown or restart. It is recommended that you try to keep your phone at an ideal temperature (0 to 35). 4. Check whether the timer switch on and off is set to enter the setting, search and click to enter the timer power on/off.

Check whether the timer power on and off function is set, you can turn off this function or adjust the automatic power on and off time as needed. 5. Check whether the storage space is sufficient, it may be that the phone cache files are too many and the memory is insufficient. It is recommended that you use Phone Manager to clear the storage space of your phone in a timely manner, and uninstall apps that you do not use frequently, so as to keep the storage space sufficient (less than 20% of the storage space).

6. Uninstall incompatible softwareInstalling some incompatible software through non-HUAWEI AppGallery channels may also cause your phone to shut down or restart. Hope it helps!

There are many reasons why Huawei phones always restart automatically, which may be due to application compatibility issues, or the bug of infinite restart due to system abnormalities. It is recommended that users restore the phone to factory settings after backing up the data, and the following is the Huawei P40 factory reset method: Method 1:

Restore factory settings1, open the Lingsun Lao settings of Huawei P40 mobile phone, pull down to find and click [Reset Kaiwu]; 2. Enter the unlock password of the phone, click [Factory Reset], and click [Confirm Reset]. Method 2: Shuangqing Restore Settings 1: Turn off the Huawei P40 phone, turn it on again and press the power button 5 times in a row after vibrating.

2. When the phone appears on the boot screen, let it go, and the phone enters the recovery menu interface. 3. Use the [Volume+Key] and [Volume-Button] to move the operation, and use the power button to select [Factory Reset]. 4. Wait for the phone to perform a factory reset, after the completion of the phone will stay in the recovery interface, click "Restart System".

Summary. Hello dear, glad to answer for you! The answer to the HUAWEI P40 is always auto-reboot is: There are many reasons why Huawei phones always restart automatically, it may be an application compatibility problem, or it may be a bug that causes an infinite reboot due to an abnormality in the system.

Hello dear, I'm glad to answer for you! HUAWEI P40 always auto-restart The answer is:There are many reasons why the Huawei mobile phone always restarts automatically,It may be an application compatibility problem,Or it may be that there is an abnormality in the system Huibei that causes the bug of infinite restart。

Expansion related: Huawei Technologies**** was founded in 1987 and is headquartered in Longgang District, Shenzhen, Guangdong Province. In 2021, Huawei's total revenue was 636.8 billion yuan and its net profit reached 113.7 billion yuan.

Huawei is the world's leading information and communications technology (ICT) solution provider, focusing on the ICT field, adhering to steady operation, continuous innovation, and open cooperation, and building end-to-end solution advantages in the fields of telecom operators, enterprises, terminals, and cloud computing, providing competitive ICT solutions, products, and services for carrier customers, enterprise customers, and consumers. On June 6, 2017, Huawei ranked 49th in the 2017 Brandz Top 100 Global Brands with the Most Valuable Chain Blocking Value. On July 22, 2019, Fortune magazine released the latest edition of the Fortune Global 500 list, and Huawei ranked 61st.

In 2018, Huawei ranked sixth in the "China's 500 Most Valuable Brands". On December 18, the "2018 Top 500 World Brands" was announced, and Huawei ranked 58th. In February 2018, Vodafone and Huawei completed the first 5G call test.

On August 9, 2019, Huawei officially released the HarmonyOS system. On August 22, the 2019 Top 500 Private Enterprises in China was released, and Huawei Investment Holding ranked first with a revenue of 721.2 billion yuan; On December 15, Huawei won the first batch of "2019 China Brand Power Ceremony".