Why can t I turn on my phone after the system is upgraded?

If there is a problem with the mobile phone system, it is recommended to take the relevant invoice to after-sales. You can try to press the volume - press the power button together, if you can turn on the phone you can do double clearing, and then see if you can turn it on, if you still can't turn it on, then go to the corresponding official website forum** The card swipe package of the corresponding mobile phone model, and follow the tutorial to swipe the card.

Expansion: For example, the Android phone fails to be upgraded and cannot be turned on, the user can only try to flash the phone to repair the phone's system, the user can adapt the flash package on the official website or mobile phone forum**, and import it into the mobile phone memory card for later use. Then enter the recovery mode, each brand of models will enter the recovery mode will be slightly different, it is recommended that users search for the method for the model, after entering, try to double clear first, select wipe data factory reset to clear all data, that is, restore factory settings, and then press the power button to confirm, and then select yes - delete all data, yes, empty all data.

Android phone can't boot normally]:

1. Press and hold the power button for more than 10 seconds to see if you can force it to turn on. If you are able to turn on your computer, please back up your important data and perform a factory reset or upgrade to the latest software version.

2. If you can't force it to turn on, please check whether the phone has power, there will be a charging indication when plugged in to the power supply in the empty power state, and it may not be able to turn on immediately when it is just charged, please continue to charge it for a period of time before trying to turn it on.

Fourth, for the boot has a reaction, but does not enter the system, it is recommended to enter the recovery mode to restore the phone to the factory and try again (recovery mode entry method: press and hold the volume down + power button to turn on).

How to deal with the iPhone not booting normally]:

1. Check whether the iPhone has physical damage, such as: bending deformation or water ingress and other accidents;

2. Use the original data cable and charger to charge the iPhone, check whether the iPhone is responsive, and the battery may not turn on if the battery is insufficient;

3. Force restart your iPhone;

4. If there is still no response or cannot be turned on normally after the above operations, it is recommended to go to the local Apple official or authorized after-sales service.

Summary. 1. The phone is out of battery and cannot be turned on. In this case, the user can charge the phone first, and then try to turn on the phone after a period of time.2 The unstable system of the mobile phone leads to the situation that it cannot be turned on normally.

At this time, the user can press and hold the power button and the volume up button at the same time until the phone vibrates 3 times and then releases it, enter the developer mode, and then restart the phone to turn on normally. 3. If the mobile phone battery is damaged, in this case, it is recommended that the user go to the after-sales outlet to replace the battery.

After the mobile phone system is updated, why can't the mobile phone turn on?

Good. 1. The phone is out of battery and cannot be turned on. In this case, the user can charge the phone first, and then try to turn on the phone after a period of time.2 The unstable system of the mobile phone leads to the situation that it cannot be turned on normally.

At this time, the user can press and hold the power button and the volume up button at the same time until the phone vibrates 3 times and then releases it, enter the developer mode, and then restart the phone to turn on normally. 3. If the mobile phone battery is damaged, in this case, it is recommended that the user go to the after-sales outlet to replace the battery.

Oh dear.

I'll try. Uh-huh, okay, good pro.

Summary. It is very common for us to encounter software updates when using mobile phones, some software requires us to update to the latest version before we continue to use, if we do not update, we can't use it, which belongs to those situations where forced updates are made, but system updates are not mandatory updates, and the system can continue to be used without updating the system. Secondly, the mobile phone requires a system update, and we must first know whether the new system to be updated is a test version or a stable version.

If the system that requires an update is only a beta version, then we should usually choose not to update. What if it's a stable version? Do we choose to update or not?

If it's a stable version, let's take a look at what features have been added or bugs have been fixed in this stable version. If you don't use these new features very often, and your phone is still running smoothly, then it is recommended that you do not opt for system updates.

After the mobile phone system is updated, why can't the mobile phone turn on?

Hello dear, I'm glad that I will answer this question for you, why can't the phone turn on after the mobile phone system is updated. Typing takes a little time, so please be patient

If the mobile phone update system can't be turned on, you can press and hold the power button and the volume button of the mobile phone for more than 10 seconds, restart the mobile phone, or enter the safe mode of the mobile phone to format the mobile phone, if it still can't be turned on, you need to take the mobile phone to the repair service center for processing!

It is very common for us to encounter software updates when using mobile phones, some software requires us to update to the latest version before we continue to use, if we do not update, we can't use it, which belongs to those situations where forced updates are made, but system updates are not mandatory updates, and the system can continue to be used without updating the system. Secondly, the mobile phone requires a system update, and we must first know whether the new system to be updated is a test version or a stable version. If the system that requires an update is only a beta version, then we should usually choose not to update.

What if it's a stable version? Do we choose to update or not? If it's a stable version, let's take a look at what features have been added or bugs have been fixed in this stable version.

If you don't use these new features very often, and your phone is still running smoothly, then it is recommended that you do not opt for system updates.

In the event of a system problem, the system can be restored via eRecovery** with the latest firmware. Erecovery is used to upgrade the phone to the latest version and restore the system when the phone cannot be turned on or the system is unstable

2. Click "My" in the menu below.

3. Click "Free logistics fee for two-way repair" under "Equipment Rights".

4. Click "Repair at the store" below.

5. Select the fault description to start the system recovery, enter the contact information and appointment time.

The solution to the phone update system cannot be turned on is as follows:

1. Restart the phone: When our phone enters the system, it may be a problem with our mobile phone system and may be stuck. At this point we can restart the phone and then turn it on again to give it a try.

2. Restore factory settings: When there is a problem with the mobile phone system, the mobile phone will not turn on. At this time, we can do a factory reset of the phone and have a try. State return.

3. Downgrade or upgrade processing: Since this situation is caused by us updating the system, we can downgrade the mobile phone and uninstall the higher version installation package. Or upgrade the system and replace the original system to give it a try.

4. Mobile phone repair: Finally, we can solve it by repairing the mobile phone, because none of the above methods will work, only it may be a problem with the mobile phone. Because we have a problem with flashing the machine, we can't brush it well, just find a technician to solve it.

5. Replace the mobile phone: If the repair of the mobile phone is expensive, or it cannot be repaired, or if it is ineffective to replace other systems, then replace it with a new mobile phone.

The reason why the mobile phone update system does not turn on

1. Hardware problems.

Generally, it is mainly due to the design defects of the hardware itself, the damage of the hardware, improper operation, etc. For the design defects of the hardware brother and the friend itself caused by the mobile phone often crashes, there is no way to solve it, but to send the mobile phone to the customer service center for maintenance.

2. Software problems.

The main reason is that there is a fatal bug in the software design of the mobile phone, which causes the crash. When the mobile phone runs to the program, there will be a command error, a bit of envy like illegal operation in the computer, and then there may be a crash.