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Sony Xperia M4 aqua was released 2015, June. With a Size of 5.0 inches, it was operated in Android OS, v5.0.1. Sony Xperia m4 Aqua has internal of both 8 GB, 2 GB RAM/ 16 GB (E2306) And it has 13 MP Primary Camera and a 5MP Secondary Camera. This phone has a non-removable Li-Ion 2400 mAh battery.

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The unlock button doesn´t work properly.

My waterproof phone got damaged by water. The electronics are fine. The unlock button simply does nothing. I can unlock the phone by plugging it in to charge it.

I am very close to buying a new phone. I can use my old one for a few weeks.

Also the phone doesn´t know if something is plugged into the headphone jack. That problem is a bit older and as far as I can remember has nothing to do with water. But I guess that this is a software problem.

Contesta esta pregunta Yo también tengo este problema

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@kerdak ,Kedrak, Try holding the button for 10 sec's or longer to see if powers on, remove SD card and restart the device. If removing the memory card solves the issue, your SD card may be damaged. In this case you need to get a replacement SD card. See below links, fairly good article's that discusses your issue and talk of other reset procedures and software issue's perhaps,check it out may help. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.

UPDATE 02 22 2017

I had jumped the gun here a bit, if the phone was not already disassembled and repaired of the water damage/corrosion, you should perhaps do it now. Stop charging or powering up your device until the liquid damage is addressed correctly, as you could be shorting out components inside the phone. You really should take care of the corrosion that is happening inside the phone from the water damage as that could be your problem. A partial tear down link for your device Link #4, disassembly guide will enable you to get inside the phone to remove the damage/corrosion caused by the liquid(more disassembly guides and info. by pressing on the picture of your device in upper right corner of page). Use the 5th link as a guide/instruction on how to clean/repair the device from liquid damage. After this you will be able to power on the phone and see if further damage has to be addressed. Good luck.

http://support.sonymobile.com/global-en/...

http://support.sonymobile.com/global-en/...

http://support.sonymobile.com/global-en/...

screen/

Sony Xperia M4 Aqua Headphone Jack Replacement

Electronics Water Damage

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Turns out that the button does work sometimes. With and without SD card. During use the phone ramdomly locks itself and the options for restart and shutoff appears as if the button is pressed. The button feels right to press. I mean it is not stuck and the click sound is there. The SD card has some residue on it but removing the card does not seem doing anything unexpected. The headphone problem in not fixed ether.

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I just cleaned the SD card with some isoplrpanol. And as far as possible the slot. Normally I would wait to turn on the phone until it dryed before turing it on but it just turned on itself.

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Kedrak, see update to your question, thanks for replying back. Good luck.

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Thank you, I will try that.

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Have you tried doing a full factory reset yet?

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Just tap power button and +volume button for a while then you can what you suppose for.

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