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Repair guides for cell phones branded under the Microsoft Lumia name sold from November 2014 to early 2016. Lumia phones were also sold under the Nokia brand before 2014.

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Lumia 640lte won't power up

MY 640lte will not start up

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I tried all your suggestions, nothing worked, I downloaded window's device recovery tool, no joy. After wading through the Microsoft web site I managed to find their repair agents and as the phone is under warranty it's gone off to Hungary can you believe ? many thanks forthe advice. NickP

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@nickp , Nick , Ensure battery is charged, try another compatible charger/cord if possible. Press and hold the Power and Volume down keys simultaneously for 10-15 seconds. Release and the phone should restart. If this does not do it, you may have to try reset #3 procedure from the link below. Still no go, if under warranty return for repair/replacement/refund. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

https://support.microsoft.com/en-us/help...

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Nick さん、ありがとうございました!
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