Charging Led when charger is not connected and other issues... - HTC 10 Questions & Answers

Hello,
I've been having this strange issue. Every now and then the led turns orange like when the phone is charging, I know this is the case because I have installed several battery apps (accubattery, gsam) and when this happens the stats of these apps reset like I would have connected and disconnected the charger. Does the anyone know what could be causing this?
Also, I dont know if this is related, but when I turn off muy phone, I can't turn it on right away, even if the screen is black, I have to wait a while. I've also tried to enter into recovery when that happens and can't do that either, the capacitive buttons starts flashing.
I appreciate any help, since is kind of worrying.

Looks like you have a hardware problem, a short inside. Maybe changing the charger connector/flex solve your issue, else is a issue in the mainboard.

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[Q] Phone stuck in screensaver mode

Hi!
I brought my Xperia Play phone USED two years ago and I've never had any problems with it.
However, recently, the phone has started to freeze itself in "screensaver" mode (Where the screen goes black after 15 seconds and locks the phone), but the screen won't light up no matter which button I press. I've had to restart the phone every time this happens.
It's been behaving strange at start up as well, as it sometimes take 20 minutes just for it to turn on, while on other occasions, it won't turn on at all!
Is this problem caused by the battery, or is it the hardware?
Is it with stock firmware?
Vortelf said:
Is it with stock firmware?
Click to expand...
Click to collapse
Yes.
I've never modded it or installed custom firmware/apps.
Have you tried factory resetting it?
Vortelf said:
Have you tried factory resetting it?
Click to expand...
Click to collapse
Yes, but it didn't fix it. The problem still occurs.
tldr: Black screen, no display, everything works "under" (I can answer the phone etc). Not a flex cable problem because occurs randomly, regardless of the slider being open or closed. The problem also occurs during boot up, so rather not a software problem.
I think I have something similiar. Everything was fine until a few days ago the screen didn't want to unlock..or at least I thought it was that.
Basically the phone sometimes works OK but sometimes if I turn off (lock) the screen, it won't go back. To be precise, the phone works and if someone calls me I can pick it up moving the finger where the slider should be, it's just the display doesn't turn on. Same goes for booting, bootloader logo etc, so IMO it's not a software problem.
Strange thing is that it just randomly pops back, sometimes when I move the gamepad slider, sometimes when I put in a jack cable or if I hard reset the phone (remove battery). I've had problems with the flex cable in the past and this time I know that it's not it (no difference if I open/close the slider).
My guess would be some power supply or LCD driver IC issues, because the screen stops working almost everytime if I put the phone into the dock. Moreover, if the screen doesn't work, the orange charging LED is not working (green and blue are OK). The moment the screen starts working, the orange charging LED starts working too.
it's very strange but I'm used to electronics doing strange stuff. Just wondering if I should give a try disassembling the phone and trying to fix it or just buy a new one or something?
I might add that I have bought a new battery ~3 months ago, but it's been working fine to this point. I have tried if the same problem occurs with the old/original battery and it's the same.
well, any ideas?
edit: This video shows something very similiar (except the backlight): https://www.youtube.com/watch?v=m4p0-kv1cxA
Same problem. And I guess this guy has it too.
http://forum.xda-developers.com/xperia-play/help/problem-flex-cable-brightness-t2803991
Any help?

Stuck on lock screen

Wondering if someone can help. My boys nexus 7, screen is unresponsive and is stuck on the lockscreen.... It seems the problem happened after a system update downloaded(shown in the image)
Anybody any idea how to fix this
Photo
Try resetting the device by holding the power button.
You could also try to safe mode, by holding the volume down button while booting (safe mode text should appear upon bootup in the bottom left corner).
memphisuklf said:
Wondering if someone can help. My boys nexus 7, screen is unresponsive and is stuck on the lockscreen.... It seems the problem happened after a system update downloaded(shown in the image)
Anybody any idea how to fix this
Click to expand...
Click to collapse
There are at least 3 possibilities.
1. On some, the touch responsiveness decreases with the battery being drained. In other words, the lower the battery percentage, the more unresponsive the touch becomes. Reaching a certain low level of battery would kill touch completely. But this usually occurs with a tab that has had responsiveness issue all along. If it's something new that takes place only at the downloading of the update, then it might not be. Just to make sure, turn it off completely, charge it fully, then turn it on again.
2. The touch problem just occurs out of the blue. You want to make sure the hardware is not at fault. The only way to do this is to remove the back cover and reseat the two-pronged amber cable from the digitizer, and the white/silver cable connecting the daughter card to the main board. If there's a problem of this kind, no amount of software workaround will cure it.
3. The update is the culprit. If this is the case, the only thing to do would be to flash another rom (preferably a custom one that has more or less been sanitized by a known dev.
If you have a lot of data you're not willing to part with, then you can try an OTG USB mouse to navigate and allow the update to install to see if the tab would return to normal after. I wouldn't advise this route since I've heard and read a lot about people bricking the tab from taking automatic updates. Stay away from anything official if you can help it.

[SOLVED][Q] CQATest application appears with emergency led flash light

Hi,
I'm wondering if there's anyone else who is facing this problem or I'm just unlucky.
On last Sunday, when I was listening to YouTube Music at a low battery (around 15%), after a while the phone shut itself off. I guess it was just the phone ran out of battery so I tried to charge it. But the moment I plugged in the charger, the hidden emergency flash light in the front turned on (the one on top right). When the phone successfully booted up, an application called CQATest appeared with a notification. The phone won't charge and take SIM card anymore since then.
I've done some research and tried many methods to fix it, including reboot in the recovery, factory reset, using adb to change boot mode, reflash the rom, disabling the CQATest app. None of them could solve my problem. Disabling the CQATest app does let me to have signal again, but I still cannot get the phone charge. It shows Turbo Power connected, but not charging.
Is there anybody facing the same issue, or even better, have a solution?
Thank you.
Update: I found a solution for this. I put my phone to fastboot mode and charge it from there, overnight. Next morning, it's working normal again.
You can always try a custom ROM. And make sure to format every partition in TWRP before - format, not just wipe.
If that works you can try other stuff. If not you have a hardware issue is guess and only a phone repair could fix that.
PS: try a different charger. If it's only not charging it might be an issue there. And have you tried to charge it while the device is shut down?
Artim_96 said:
You can always try a custom ROM. And make sure to format every partition in TWRP before - format, not just wipe.
If that works you can try other stuff. If not you have a hardware issue is guess and only a phone repair could fix that.
PS: try a different charger. If it's only not charging it might be an issue there. And have you tried to charge it while the device is shut down?
Click to expand...
Click to collapse
Thank you for your reply. Yes I did try another charger. However I'm using a Qualcomm qualified charger so I don't think that's an issue. I brought it to UbreakIfix and they told me it's a motherboard problem so the only way to fix it is to change the motherboard. It'll cost a phone to do that. I'm just wandering if there's any body else who is having the same issue. Because my problem appeared out of no where.
That's normal. Hardware problems often appear out of nowhere all the sudden. And it's always hard the really on them down to a source.
And yes, repairs for not typical phones are always expensive. On my first Z Play the screen cracked. Seeing the price of a repair and realising I could get an unused Z2 Play for the same money you can guess what I did. Can't say I regret it too much.

SMT700 Won't Boot correctly

Hi. I've got a SMT700 that I purchased new and have used for several years with only minor troubles(Having to reconnect the battery occaisonally) and recently I had a new issue come up I've no idea how to fix. My knowledge on this stuff has extremely large holes in it, so I may have missed something obvious. I've been poking around all week trying to figure it out to no avail.
Anyway, the issue: My daughter was using the tablet and it became unresponsive. I popped the back off and fixed the battery cable(It had come out) and after doing so it flat out refused to turn on. Wouldn't boot in recovery or anything else I could think of. So I plugged it in overnight and let it charge just to make sure, since I wasn't sure if it had had much of one when it turned off. Will not turn on. If you push the power button while it's plugged in, the status of the charge(Says 100%) will blank out and then it resets like I just plugged it in. I've found that if I try to boot it in Recovery, it will come up just fine - if I unplug it, it turns off instantly. If I reset it, it turns off and goes back to the charge status screen as if I just plugged it in. It just has the Samsung firmware installed, I believe fully updated(I rarely check it since the tablet is old and it's literally just used for Disney+ for the kid lately) I'm at loss for what could it causing it or what I can do to fix it. Anyone seen this and able to point me in the right direction? Thanks for your time.
Oh. And I have tried plugging it into the computer, but it doesn't even register as plugged in(Can't do recovery or anything) - that didn't really surprise me, it wouldn't charge that way before so I didn't think it would work.

Xperia Play Issue

So My Xperia Play vibrates when I turn it on, The screen sort of lights up very faintly (like just the back light?). But nothing actually displays on the screen.
I have changed the battery, and I know it is a good battery as I've tested it in a different device.
I have done a lot of googling and I think maybe its a "flex cable"
Has anyone experienced anything similar and can anyone link me to Flex cable that I should try?
Thanks!

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