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Method 1: 1. It is recommended to press and hold the power button of the mobile phone for 8-10 seconds to observe whether the machine can be turned on normally.
2. It is recommended to take out the battery, expansion card, SIM card, clean the battery contacts, then reinsert the battery into the mobile phone, and tap the power button again to try to turn it on.
3. If there is such a situation if some third-party software is installed, it is recommended to try to uninstall some third-party software by entering the safe mode.
1) Turn off the phone first, when the phone is displayed again, when the phone is displayed, quickly press and hold the menu button until the word "safe mode" is displayed at the bottom left of the phone, and then release your hand.
2) After entering the safe mode, go to the Task Manager option and uninstall some third-party software installed.
3) After uninstalling, reboot the device and observe whether it still stays on the boot interface.
Method 2: If you can't turn on the computer after rooting, it may be that you deleted the system files, or the system is damaged. If you are not rooted, please check if the phone is dead?
Or is the battery in poor contact? Plug the charger into your phone and see if it responds.
Method three. Press the volume button on the + home button in the shutdown state, and then install the power on button, after entering:
1. Reboot system now, reboot the phone.
3. It is wipe date factory reset to restore factory settings.
4. Use the first rebootsystem now to reboot and try, if it can boot up, then it's OK. If you can't, select the third option, wipe date, factory reset, factory reset (select with the volume up and down buttons), and press the home button. After the system is restored, it may be in English, press the function key, select the language and then select Chinese.
Method four. Let's try to see if you can enter WCM mode: after shutting down, 3 keys to enter flash mode!
Press "Volume Up", "Home Button", "Power On" at the same time). If you can: Select Wipe Data Factory Reset Select OK Wipe CachePartition Select OK to restart your phone.
If it doesn't work, three buttons to enter the coal digging mode: press "Volume down", "home button", "power button" at the same time, and then find the corresponding tutorial to flash the machine. Flash your phone.
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Dear users, hello:
The reason why it can't be turned on is the following:
Cause. 1. The mobile phone is out of battery or the battery is damaged;
Solution: Charge your phone first, then try to turn it on, or replace the battery.
Cause. Second, the mobile phone system failure;
Solution: Try to force the device to be re-flashed.
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