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Why is my phone turning off while Updating a W10 Technical Preview?

Sep 20, 2015
Phone getting turn off while Updating a W10 Technical Preview

This is about Lumia 630.

Today installed windows insider and got a build of Windows 10 Technical preview.

accepted all terms and conditions and proceeded with updating the same.

Now the problem is, While updating a Windows 10 Technical preview, phone getting turn off.

Tried to downgrade the Windows 10 technical preview to 8.1 using "Lumia Phone recovery tool. Again problem with installation in W7 PC.

Please suggest to recover the mobile working.