UMI Super does not power up

masbass Post time 2017-6-1 15:23:43 | Show all posts [Copy link]
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UMI Super does not power up

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Post time 2017-5-31 15:50:27 | Show all posts |Read mode
Hi all, today my UMI Super suddenly powered off and I can't make it turn on again. Battery was 80%+ and 2-3 apps were open in background (wasn't using it at the time). I tried connecting it to a charger or to the PC but nothing happened. I tried holding down the power button + volume down button and for 2-3 seconds the UMI logo appeared and the windows "USB connected" sound came on and after 1 second the screen turned off and the "USB disconnected" sound came on and a USB error notification appeared (device not recognized). Tried it many times and in 3 out of 10 tries I get this on and off, while at the rest tries... nothing. It seems like a software failure/corruption, is there anything I can do? I did no custom ROM flashes or mods and I'm running the latest firmware.

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Post time 2017-5-31 21:09:01 | Show all posts
The procedure is made with the phone powered off. Just follow it and report back.

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Post time 2017-5-31 18:41:27 | Show all posts
The most likely answer will be: Flash latest firmware using the SPFT tool - http://community.umidigi.com/thread-11-1-1.html

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 Author| Post time 2017-5-31 18:59:13 | Show all posts
will it work with my phone? It seems to connect via USB and disconnect immediately.

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 Author| Post time 2017-6-1 15:23:43 | Show all posts
It was not a software issue (corrupt ROM) but a hardware one: the battery cable came off! I put it back in place and sure enough it turned on and works fine now. I added a very thin (0.3mm) rubber slice behind it to keep it in place (battery has no two-side tape keeping it in place and it might have pulled it off).
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