Hello - Xperia Z5 Q&A, Help & Troubleshooting

I'm a new member here.
I had a Z5 but the problem is I can't remember the pattern. Any way to solve this? The power button+volume up/down button doesn't work. I believe it is due to the fact that it had fallen numerous times. The back camera cover is cracked.
Thanks.

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[Q] Power Button Intermittent Problem

I have had my Sensation a while now and generally pleased, we all know that Sense 3 is a bit laggy especially if you want a live wallpaper.
Over the last few days though I have noticed an issue with the power button when pressing to wake the phone up it doesn't always work first time, pressing a second time usually works but sometimes needs 3 presses.
I thought it was software rather than hardware as I have noticed the capacitive buttons at the bottom lighting up for a split second when pressing the power button but the screen doesn't come on.
What is wierd though is that pressing the power button to go into standby always works without fail...
A factory reset today has not fixed the problem.
Anyone else heard or experienced this? before I contact HTC.
I really don't wanna be without a phone if they want it back for repair..
same problem bud, not sure what it is. very annoying.
ravigodhwani said:
same problem bud, not sure what it is. very annoying.
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Click to collapse
+1 had same prob...i replaced my fone coz sm issue with power button
Does it work normally without the cover? If yes, it could be an issue with the back cover
Swyped from my HTC Sensation

Volume button sticking

Just curious, anyone else experiencing this issue? Other members have their volume button fall off (which I could've easily solved) OR their power button issue (which appears to be software related) but for me... my volume button is sticking. The VOL-UP sticks. I just hope it doesn't die anytime soon, how's everyone elses so far? The only really annoying thing is when I want to turn up the volume, it goes all the way up and it keeps displaying the "media/ringer volume" which then I have to press the vol-up again in order to get it out of the way. It'll be a pain if it completely dies though!
No volume/power button issues here.
Maybe it's sticky behind the back cover, have you checked?
UNDFTD said:
No volume/power button issues here.
Maybe it's sticky behind the back cover, have you checked?
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Click to collapse
Yeah, I checked. I took off the housing and pressed the vol-up itself. I find this irritating. I used to love their build quality but just giving up with them now. Started with the nexus one power button (which I prevented by using the volumes and screen off holding the search buton) issue and it continues! ugh. Now for senny, my volume is slowly dying. This is [email protected]!#$

Question about the power key

First off, I'd like to mention I'm new here, so if I'm posting this in the wrong place, please forgive me.
Second, the topic: I've had a problem with my power key for at least half a year now. As far as I can tell, it started after I accidentally dropped it (No harder than I usually would if I ever did drop it which is rare) with my otterbox case on it. I picked it up and tried to turn on my screen and noticed a long lag before the screen came on.
I didn't think anything of it until the next day the key wasn't responsive at all. I looked, and the key is not cracked, and there's no visible damage from the outside. I figured out if I shook the phone, or tapped on the button a certain way, sometimes I could get the button to work, but that was just unacceptable. So i found a fix in the application "Button Savior". Coupled with the volume rocker wake feature of my current ROM (Helly Bean 8/13 nightly)
But after all this time, I'd still really like my power button to work, so here are my questions:
1. Is this a common problem? Have you yourself experienced this, or have you seen others have this problem?
2. Any ideas on what is actually wrong with the button, and how I could fix the button mechanism? I'm not against taking the phone apart to repair it if that's what it takes.
Thanks in advance guys! :laugh:
Oops, sorry all, I've just read about the Q/A page. Please delete this topic.

Xperia Z3 Jammed/Broken Power and Volume Buttons

Hey guys, yesterday when I pulled my phone out of my pocket, I noticed the power button wasn't working. Upon closer inspection, it is jammed and will only register a press if I really push on it hard. Then I realized the volume buttons were the same exact way, which is strange because the phone has been in a case its entire life and is immaculate. But anyways, has anyone else encountered this? I tried doing a search but no results. The power button works if I really put pressure on it and only the top volume button works if I press it hard as well. The camera button is perfectly fine.
I purchased this phone brand new from T-Mobile November 2014, it may be time to upgrade...
Some cases cause this problems as they put consistent pressure on the buttons
Just experienced this last night. No idea what's caused it. My phone lives in a case with a power button cutout so there's no pressure on it. Odd, and irritating because thus phone is perfect otherwise, and the first one I've ever had that I still liked after 18 months.
Sent from my SM-T700 using XDA Premium HD app
jonsic said:
Hey guys, yesterday when I pulled my phone out of my pocket, I noticed the power button wasn't working. Upon closer inspection, it is jammed and will only register a press if I really push on it hard. Then I realized the volume buttons were the same exact way, which is strange because the phone has been in a case its entire life and is immaculate. But anyways, has anyone else encountered this? I tried doing a search but no results. The power button works if I really put pressure on it and only the top volume button works if I press it hard as well. The camera button is perfectly fine.
I purchased this phone brand new from T-Mobile November 2014, it may be time to upgrade...
Click to expand...
Click to collapse
Probably either broken button strip, or it has been dislodged from its mountings. You need to remove back cover, then battery and you can see whats going on.

S7 Restarts only in safe mode

To start, I bought this phone used a few months ago. I'm traveling, my other phone was old and the camera was broken, and I wanted something that wouldn't be bricked if I fell into a river while hiking (it happened in the past; the current was faster and the river deeper than I anticipated). Anyways, so I got this S7 and the only issue seemed to be that the volume down key was a bit... off.
A few days ago, I went for a hike in here in the south of Spain, in the seemingly only place with some water... and... only thinking about the phone's supposed water-resistance, I went under a waterfall with it to take some video. It worked (although somewhat glitchy), then it displayed the volume mini-screen on the display as if I had pressed one of the volume buttons (I hadn't), and then it restarted. Into safe mode...
Since then, everything else besides the volume has worked without any flaw. I can use every other feature of the phone, but if I restart it, it ALWAYS starts into safe mode. Using the diagnostics screen (*#0*#), neither of the volume keys registers. I thought perhaps the volume down key was stuck as when I press the home and power buttons (without touching vol down), it takes a screenshot. So I took the back cover off and checked it.
The initially dodgy vol down button was a result of the previous owner breaking something and having the back cover taken off to fix it. They had reglued (rather than using the standard adhesive strip) the cover on and the glue had gotten into button's allocated space. Their shoddy gluing job was also the reason why water was able to enter so easily when I went under the waterfall... Anyways, I cleaned their glue out and detached the flex cable for the volume buttons. With no change. The phone still starts into safe mode and the screenshot is still taken without any need for the volume key.
My last thought was that if I hold the power and home key during startup, then maybe I can use the same process as a screenshot to get into download mode. Turns out I cannot...
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So, backstory and details aside, does anyone have any previous experiences like this? Could it, in fact, be the power buttons (I initially thought so, but the lack of change when detached makes me think otherwise)? Or did the water that seeped in maybe affect the motherboard and is there a place/method by which I could check this?
Any help on the issue would be greatly appreciated as I'm rather stumped at the moment.

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