xperia sp wont turn on - Xperia SP Q&A, Help & Troubleshooting

hello my friend, recently i got my phone out of my pocket. i realized it was off. i tried to turn it on but nothing, then i pressed the off button on the back and it went on. stayed on for a couple of minutes, then the it frozen, the screen faded and it went off again. i left it the whole following morning charging, when i came back it turned on, stayed on for a couple of minutes (a little bit more of the previous time) then again same thing. if i charges it has a red light (sign that it is charging) if i disconnect the charger and try to switch it on it flashes 3 red light then it stops, and then again three red lights. i tried to charge it via computer but it wont be recognized, i also tried volume up and power button, volume down and power button, and the off button on the back. at the service center they say it cannot be fixed because it is out of warranty since the screen as been replaced by unofficial service. after a bit of charging it turned on today, but soon went off. i need help, i would at least want to know what the issue is. thanks a lot. ps. i can manage to let it work

Maybe try using flashtool to flash software. Don't wipe anything except maybe cache or so. See if that works

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i flashed an old backup a few days ago, this backup used to work really well but i have been having this issue since more than a week and it gave me the same problem also with this backup. now i have wiped the chache via cmw. i will wait untill the phone gets to 50 percent of battery, then try to use it without the charger. i'll keep in touch

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i wiped the chache . it worked for a couple of hours, then it went off. now when i try to charge it it shows no signs of life at all. does someone know if this could be a hardware issue? like the battery or something

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Phone not booting

I am having a problem with my phone and I'm sure there is a solution for it but I must not be using proper keywords to pull up posts. So I went through the first time flasher's guide and followed it all perfectly, got hardSPL flashed, resynced my phone then flashed the new ROM and it booted fine the first time and I was making a call then my phone turned off, rebooted once and claimed my battery was low which I know it isn't because it was a fully charged battery when I began all this, then it died again and hasn't booted since. I tried plugging it in to my computer's USB port and the charge light does not turn on. If I hold the softkeys and press the reset button or the power button (regardless of it being unplugged and running on battery) it comes up with the screen asking if I wish to restore factory defaults. When I do this it makes no difference in the device booting. When I press the power button the green light will remain solid for a short amount of time then turn off. I don't want to think this is a bad flash because it did work for a bit of time and I was going around and messing with settings and such, is there another possible reason for this and is there a way I can restore my phone to either stock FW or a different CFW?
The CFW I flashed can be found here
Thanks in Advance!
Just sounds like you have a faulty battery to me. Has it got wet somehow lately or leaked slightly?
It was a faulty battery, it had dents in it and I didn't happen to think that the cell inside the battery got damaged, got a new battery in there and its working great now.

blank/black screen after boot - frozen? gulp. . help

Howdy,
So I flashed my phone to cm4.2 last weekend and everything has been quite dandy. But I now I have a problem, and I kind of doubt its from the cmod because that was a week ago and this problem happened yesterday...
Yesterday I was talking on the phone until the battery died. Then I rushed to my charger and plugged it in. I tried to turn it back on but it would not. It goes to the G1 screen then to the CM boot animation screen then the screen turns BLACK! IT will not stop doing this. I have to keep pulling out the battery. Last night I even pulled out the SIM and battery for a few minutes. Then put them back and tried again. Same result. I charged it fully last night (while off) thinking that might help. This morning after the LED light was green I tried again to reboot the phone.. Also sometimes the phone will do this reboot sequence after I plug the charger in, but it still goes to the blank/black screen... awww..
I am really hoping I do not have to wipe the phone and start over again with my apps and stuff because I have not really found a great free backuper and have not backed up within the last few days. I can use home+end call button to get to the bootloader (right name?) screen. However I am REALLY hoping I do not have to wipe.
Any solutions? I tried searching but could not find an answer..
THANKS!! This is basically terrible timing too because I leave on vacation tomorrow morning and will be needing my phone.

X1 wont start up

I have this problem that when I try to boot my X1 it zooms when I press the power button but after that nothing happens!
The screen stays black and when I press the button again nothing happens...
Have to take battery out to get it to zoom again.. Still nothing happens.
When I give the X1 external power it doesn't do the zoom and it does not charge (lights dont go on)
When I keep the reset button pressed I do get in the software part where I can load ROMs... I got it started to reload the ROM for reinstallation but when it tried to boot again, again nothing...
now I cant even get into bootloader..
leave it on a charger for a few hours
Looks like you bricked your phone somehow. Sometimes it happens even if you didn't do anything to it (if you flashed a unofficial rom). Now what you can do is to sell it for parts for $20 or $30 on eBay. =) Good luck on selling.
Try with another fully charged battery.
Does not seem to be bricked...
Since I left it "on" all night and tried to take battery out and start it up..
And it worked... Got into windows but as soon as he went on standby and I tried to get it out it stayed black again. After rebooting the same thing... Stayed pitch black...
Oke when I remove the battery and press the on/off button a few times and leave it for a couple of minutes, stick battery back in there and boot it, I can get into windows..
Problem now is that after a period of a couple of minutes it crashes again and the same problem persists with rebooting, untill I do the same trick
Found out new info about the problem! When I removed the battery for a short while I could boot it and do everything but it would crash again after a short while..
I removed the battery the whole night now and it keeps working for like an hour straight now. So it depends on how long the battery got removed (strange :S)
Next to that the X1 wont charge when it's shut down... Only when I get it to boot into OS..

[Q] Z3c turns off all of a sudden during charging

Hi,
My Z3c recently suffers this problem that the phone may turns off itself all of a sudden,
I have rooted it few months ago and it's still running 4.4.4 until now.
It first happened a day before, I charged it for a while (not for long perhaps half hour) and then unplugged it from the charger to browse some websites before sleep, but then it turned off automatically without any notice, I tried to turn it on again but it just showed me the 'Sony' and then gone black screen again, I thought it was battery running out so I plugged it back to charger, it showed that 48% battery left, then I tried to turn it on (both volume button+power on button or pressing power on button only) again but still nothing just blackness, so i just simply charged it and went to bed. I checked it the morning after, still couldn't turn on, so i unplugged it, waited for like couple hours then finally I can turn it on but the phone only got 16% battery left.
It happened twice today, blackout during charging, unplug it from charger, wait for like 30 mins ish then it'd be okay to power on.
when I try to turn it on or force power on it, it'll still vibrant as usual but just nothing to show on screen when the problem occurs
does anyone know if it's hardware or software problem? would that be solved if I just factory reset it or I must take it to sony care centre?

[Q] z3 compact suddenly turned off and wont open no other signs of blinks

hi im new here and i really need your help. while im surfing my facebook with mobile data on, my phone suddenly turned off. i hold the power button then start up boot sony went on then auddenly went off again. i tried that at about 3 to 5 times and same thing happen until the boot loader didnt appear anymore. i let it close and drove home (that was about 1 and 30 minutes more or less). i charged it using the dock that came from sony itself and i tried to hold the power. then it opened. it was it 71% battery when i opened it. so i charged it for awhile and i uncharged it so i can play music while taking a shower, not more than one song the phone went off again and this time it wont open. i checked this forum and i saw some troubleshooting like holding the power and volume up for about 10 sec. it was suppose to vibrate but it didnt. no red blink or whatsoever. lile my phone is really dead. tried plugging it in my laptop but pc companion wont read it since it was off. tried charging it and went to sleep and woke up 4am to check it but still the same. PLEAASE HEEEEELP im desperate!!! :crying:
You posted in the wrong device forumn, this is the newer model that was just released, however, i hope you got your phone back running already, when you tried to hold power + vol up for 10 seconds, try holding it for a minute instead, if this doesn't work it's probably a hardware problem and you should try to contact sony

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