Tool raw materials smart phone 1 Hao branch
Step-by-step reading method
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If it is a detachable battery, it is very simple. Just dig up the battery (of course, you can try the second scheme) and then restart it, and it will basically be solved.
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If it is a mobile phone with a non-removable battery, it takes about ten seconds to press the power button (some mobile phones forcibly turn off the power button by raising or lowering the volume+pressing at the same time). Generally, the mobile phone will vibrate slightly, indicating that it has been turned off.
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Turn off the phone, wait about fifteen seconds, and then try to turn it on. If the phone is turned on normally, it needs to be cleaned normally to avoid this problem again. See the next article for details.
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If you can't boot after many attempts, or the screen is still black after booting, you need to contact the local after-sales service. Note here that if the mobile phone is under warranty, don't disassemble it yourself to avoid trouble.
Black screen reason
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There are many reasons for the black screen of mobile phones. If it happens after the latest official push system has been updated recently, it is very likely that there is a bug in the system, and it is necessary to wait for the system update or restore the system to a stable version after sale.
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It is also possible that your mobile phone takes up too much memory and runs too much software, resulting in a crash. Then you should pay more attention to the details of the use of mobile phones in the future, such as starting an application, using the back button instead of the home button, and quitting step by step! Clean up the memory frequently.
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It may also be caused by the incompatibility between your newly installed software and the system, so all you have to do is uninstall the software that may cause a black screen and continue to observe.
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Check whether the storage space of the mobile phone is full, and remember to handle the incoming files in the mobile phone in time. 8 ... If the screen of the mobile phone shows a black screen, it may need to be turned off and turned on again. Forced shutdown will not erase the data of your mobile phone. Please follow the following steps:
For mobile phones before R9s, pressing and holding the power button 10 seconds or so will force the phone to turn off.
For mobile phones after R9s, press and hold the power button and the volume up button at the same time for about 10 second, and then forcibly shut down and restart.
If your device still doesn't work properly
Connect the mobile phone to the charger and turn it on after charging for half an hour to see if it returns to normal. If it still doesn't work properly, you can take the phone to the OPPO service center for reference only. Please consult a professional for details.