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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Sony Ericsson > Sony Ericsson Hardware Repair

Sony Ericsson Hardware Repair Post here your Hardware Repairing Hints or Problems with SonyEricsson and Sony Phones.

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Old 10-04-2017, 20:41   #1 (permalink)
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Xperia M4 Aqua boot loop and hot back


Hi everyone,

I got Xperia M4 Aqua with loop boot.
I reflashed this phone with setool box and then with sony companion.
It didn't help. It's still the same. Recovery mode doesn't work.
Phone also gets hot at the upper back.

Anybody had the same issue?
What that could be?
Phone boots to Sony logo and then restarts.

Please share your opinions and experience with similiar problem.
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Old 07-24-2020, 13:57   #2 (permalink)
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Same issue any update about this I have the same issue.

It keeps logo then restart and the back is too hot. I hope someone could give us some idea. Thanks
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Old 07-24-2020, 14:29   #3 (permalink)
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Just an update about my post recently. I found a solution from another forum and I found this video https://www.youtube.com/watch?v=mgCS...ture=*********

It works to me and I believe one of the ball from the CPU or Emmc is lifted or not touching on the board so possible solution it need to reflow or reball to be able to fix this issue.
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Old 10-20-2020, 22:40   #4 (permalink)
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Hola tengo el mismo problema. Al revisar la moder board, encontre corto en una linea secundaria, locual no permite que el cel. cargue el sistema, y hace que se caliente. desafortuna*****te no he podido conseguir el schematic para saber como se llama la lnea del corto y poder soloucionarlo. si Alguien me lo pudiera proporcionar se lo estaria muy Agradecido. Saludos.
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