Phone not working (Nothing can be seen)
after a time I tried to use my old Lumia 1520 again. At first it didn´t work at all, so I bought a new battery and assembled it. Nevertheless the phone did not work. When I tryed to switch it on, nothing could be seen at the screen. The only reaction was a flashing of the three lower buttons. Though I can acess the storage and reset it via PC, nothing is working. In my opinion the mainboard is damaged. Any help concerning a new mainboard or other troubleshooting suggestions would be grateful.
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