This method is called HARD RESET and will reset your Microsoft Lumia 640 to factory settings by using a keys combination without requiring the phone to be power on. Use it if you forget your security code or if you have various problems with the phone software.
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This method will not upgrade or downgrade the firmware version of your Microsoft Lumia 640 and it will NOT UNLOCK the network lock. This method does not reset the PIN code of the SIM card.
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Warning! You do this at your own risk! Take your sim card and memory card from the phone before the reset. All personal data from the phone (contacts, pictures, messages, apps, games, files) will be deleted! Please, if you can, make a backup before!
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Click here! How to fix spinning gears on Lumia!
Nguồn: bgtnation.net
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amazing brother
Brazil 2020! Thank you!
thank you
thanks
Magiiiiccccc
Thenga
Thank you! You helped me.
Thank you so much
works, thanks man
Sehr gutt
Thnxxxxx follow and sub NOWW
Thanks buddy
I can use my phone again
yes bravo x BRAVOOOOOOOOOOOOOOOOO
Amazing bro! thank you so much
Omg thx so much, I liked ur vid
thank you sir..
Thanks
Thank you So much, good work.
Thank you so much good video its help.
after i use this phone no more wandering why Nokia die in the market very stupid engineer's they have very bad phone so stupid
Nice its Work im from germany and dis video is so good i can sell my phone in e bay
thank halp
Thank you so much brô! It's working well
subscribed
thanks for the tutorial
Great video. Helped me a lot. I have one in the US. Not common here. Not sure where you are. 🙂
Super
Bricked my phone. Need a reset protection recovery key. Thanks a lot you piece of shit.
thans for waiting with me!