FP3, cannot use the phone and/as screen just flashes every few seconds


I have a Fairphone 3 since over three years. Today, with nothing happening (fall or anything else) it suddenly got unusable as the screen flash as in the uploaded video and I cannot do anything (cannot restart manually- tried to restart by removing the battery, and once re-started it did the same thing)

Cannot upload the video for some reasons, I uploaded it here in this notion page Notion – The all-in-one workspace for your notes, tasks, wikis, and databases. )

Any idea on what could be the problem and what a soultion could be?

Thanks in advance


wondering if this is somehow connected…

didnt watch the video, however would start with disassembling and cleaning contact.


I disassembled the phone and cleaned it, re-assembled, and now it works again!

Solved, thanks, have a good day/night



What part of the phone did you clean?

It was quite dirty, full of dust and small dirt pieces, so I just gave a general clean, no piece in particular!

The phone is not dust proof. Good to know. Thanks

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