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It is recommended that you clear the junk files first, the junk files are not cleaned and deleted, they will take up a lot of memory, and it is also recommended not to install too many software games, especially some software that is not used or the capacity occupies a relatively large volume, delete some unused junk files, because too many files are easy to make the phone difficult to load, unstable operation, and it is easy to have a white screen or black screen.
If it still doesn't work, it should be a problem with the wiring. Let's go change the line. It's very convenient.
It is recommended that you find Nokia customer service or a larger phone repair to replace. If it's a parallel import, just go directly to the mobile phone for repair. There's no need to go to Nokia customer service and spend more money.
Generally, it costs fifty or sixty yuan for mobile phone repair and replacement of the cable.
You have used this machine for 2 years, and the warranty period has expired, so there is no need to go to Nokia customer service, and you can do it well by finding a mobile phone repair point.
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With your current situation%90 line, flashing the phone is just a problem with the software, and I repair the phone.
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The screen may have been squeezed, and I've been broken like that.
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Wiring problems, occasional boot will not be white, but after a few minutes it will be white again......It's the phenomenon that the cable is broken, and the upgrade has nothing to do with the white screen. If the software is upgraded, it is like、The machine becomes stuck、The information cannot be sent、Some functions cannot be opened、etc
It's good to change the cables. 50 yuan should have a place to repair
Good luck
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The slide cover mobile phone is the most likely to break the cable, your mobile phone can occasionally be seen, proving that the display screen is not broken, it is a problem with the cable, and sometimes the shutdown is not reflected, your mobile phone is turned on and off, and there is a little fault to see if there is any moisture, and the warranty period can be taken to the place where it is sold, and the factory side has a free warranty If the warranty is over, you will go to the repair shop to change the cable, and by the way, help you repair the switch key about 50 yuan or more.
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Wire thing. Just change it.
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Try the following:
1.Pull out the card, restart, (this step is to check whether the problem software is in the C drive or in the card method, such as the card pulling problem is solved, then the problem is the software that exists in the card.)
2.Take a look at the software that starts randomly, especially the software programs that were installed for a period of time before and after the problem, and then try to remove the software and restart it, if it doesn't work......
3.It's not good yet, and it's not too late to ...... the machineIsn't it? It is not a good way to solve problems and learn!
4.It is also possible that it still does not work after the grid, so you should try to flash the machine and send it for inspection.
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The repair shop is OK, and the upstairs is copied, and you can believe him.
I think it's better than a straight flush, so it's better to try it differently.
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