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My X8 wont turn on

Hey. I got problem with my Xperia X8. I cant turn it on. When I press power/lock button, red light turns on and off 3 times. I already changed motherboard for a new one but it didnt help. I think its battery problem but Im not sure. Also, when i connect it to PC, red light turns on every 3-4 second. I dont know what it means. Any solutions? Seus and SE PC Companion wont see my phone. Thanks.

i think its battery dead :/

You can try it to put into flash mode, connect to USB and press and hold back button until the green led turns on, if it can get into flash mode i think motherboard is not the problem, also try geting in a new battery. If neither od that works, than it's some hardware failure.
At least you can try that, I don't know.

lsalamun said:
You can try it to put into flash mode, connect to USB and press and hold back button until the green led turns on, if it can get into flash mode i think motherboard is not the problem, also try geting in a new battery
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Click to collapse
Well, Getting into a flash mode dont work. Also I took battery from Xperia X10 mini pro and I tried to connect it. My phone vibrates after pressing power button. Nothing happens after this. Also I tried holding back button with this battery.

If ur battery is fully charged,and then also its not opening up..then it seem some problem is there with battery itself..

diablos222 said:
Well, Getting into a flash mode dont work. Also I took battery from Xperia X10 mini pro and I tried to connect it. My phone vibrates after pressing power button. Nothing happens after this. Also I tried holding back button with this battery.
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Click to collapse
Hmm...I don't know, try with the X8 battery, if it doesn't work, then go to official service.
If you rooted your mobile phone then you're f***ed up, because your waranty will be void.
If you can not go to flash mode and get your phone back to original unrooted software, you will have to pay the service.

diablos222 said:
Hey. I got problem with my Xperia X8. I cant turn it on. When I press power/lock button, red light turns on and off 3 times. I already changed motherboard for a new one but it didnt help. I think its battery problem but Im not sure. Also, when i connect it to PC, red light turns on every 3-4 second. I dont know what it means. Any solutions? Seus and SE PC Companion wont see my phone. Thanks.
Click to expand...
Click to collapse
use seus selct phone dont plug the usb yet hold the back key hold still then plug the usb a green light should appear then seus will download your stock rom which is android 2.1 eclair.

Hey, Yesterday I managed to turn my phone into a Flash mode, so I installed 2.1 firmware with SE PC Companion, but still my phone wont turn on ;/

If you are 100% sure that you installed stock firmware from SEUS, than you have your waranty back ( if you have it still ) and go to your official service to repair your phone. Yet, if your waranty has expired than pay te service.

i had the same problem a week or two ago, i was tethering with barnacle, and suddenly my connection was lost (my phone was charging in my laptop)...
when i checked my xperia (i was downloading stuff so i was tethering for something like 4-5 hours) the device was very hot and with the same probles previouly described (blinking in red, not turning on, etc)....
i was very scared, waited for a while until the temperature was cooler and the i plugged to the wall for an hour or so... without an answer, suddenly the charge icon appeared (phone turned off)... and it got in perfect shape again...
the other day i was using barnacle again and i looked at the phone (charging with my laptop again) and i discovered that it was again draining even when charging so i decided to charge in the wall and it was ok...

Charging with a wall charger dont work. Tried many things. Now only changing battery can help me. If not, I will need to leave it in service so they could repair it...

Okay, so I made a small step. I managed to charge battery so now everytime I want to turn on battery, my phone vibrates and while its vibrating for half of second there is green light. After this nothing happens. I can change firmware without any difficulty, but its not helping. Tried with SEUS, SE PC Companion and Flashtool. What to do now?

Well,i think its the battery thats screwed up IMO .does the battery look a little bit fatter by any chance
sent from my rooted xperia x8 using xda premium

I also think this is a battery issue..

Battery looks normal ;/

diablos222 said:
Battery looks normal ;/
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Hmmmm so its not Blown up.have you charged it for a long LONG time?
sent from my rooted xperia x8 using xda premium

I tried to charge it for like 1,5 h

Im afraid I dont know,i will have a look online for ya
sent from my rooted xperia x8 using xda premium

Thanks. Im waiting for any info.

Have you tried doing a factory reset
sent from my rooted xperia x8 using xda premium

CM9 My Optimus wont turn on

Hello Pleashe help!
I have installed cm9, and for the night plug it in the charger, and now it wont turn on! It's plugged to the charger but nothing is working! Please Help! I cant turn it on! SO many thanks to helpers! Please guys!
I'll be so glad if you help me!

Have you tried a battery pull and then turned it on again? It could be a BSOD.

had the same problem (sort of) yesterday without the powercable connected, it seemed like the battery was empty while it shouldn't be, i fixed it using power+ vol up but i guess a battery pull should work aswell
sent from my LG 2X using cm9

Well i have tried for 5-10 mins to fix it, plugging it on the charger, and pulling the battery, this morning, but i can't get anything. What can be that for?
Can i revert back to stock (nVflash), or even turn it on? MUCH much thanks to everyone!
I really want to get my phone working, If someone can help me, i can give him some money in PayPal!
P.S I'm in school now, and with another phone! When I go back home i'll try what you say again! I left it in charge (from pc) and hopefully, it's because battery has drained or something! Thank you for the replies! I look forward to reply's, about how to solve this. Thanks!

had same problem this morning (left phone in charger for night).... i just disconnected phone from charger, removed battery for 10 sec, put it back - and phone is on...
only problem is that battery level was showing 999% (unknown), and after ~10-20 minutes it was 1% all the time (worked with 1% 2+ hours).. now it is charging again.. everything seems ok.
**
If it wont turn on, just remove battery, and connect it to PC while holding volume up key (or down.)... it should boot "upgrading firmware" mode... after just use smartflash and restore to stock.

hm... happend second time, when phone was on "wall" charger..
when charging from PC - no problems... when from "wall" charger - always BSOD after few hours...
anyone else have similiar problems?

I had the same as in OP during first night while it was hanging off the wall charger. It hasn't happened since, but I enabled "keep screen awake during chargin". I beleive I read somewhere here it should help with that.

Same problem here overnight charge and the phone wash dead.
After a battery pull it was ok.
It 's a bugg.

Mine survived overnight charging just fine...
And it rocks (ICS i mean).

Solution for Me
Hey i got my optimus 2x just yesterday on Starhub Singapore, and similarly, i HAD the same problem until i followed some post above about removing the battery, plug in the computer/laptop with proprietary usb cables, WHILST HOLDING THE VOLUME UP AND POWER BUTTON TOGETHER. Hold for 10 seconds at least
Nothing happened. So i didnt get the flashing menu or mode on screen
Then i put unplugged the phone, put the battery back in, and tried again, suprisingly the LG Logo came up, but now it hung there.
Removing the battery...
EDIT: I removed the battery, now working good. Hopefully this dumb sH*t wont happen again. Beautiful phone. Hope this solved everything
If not, try doing a hardreset maybe? Hold power + Volume Down Key BUT ONLY IF YOUVE TRIED THE ABOVE METHOD A FEW TIMES. cause all your data will be gone POOF

[Q] Phone turns off after 5min

My phone keeps turning off after using it for like 5mins, to turn it in I have to wait 10min, but again, it keeps shuting off after a minuit or two.
The battery status is really wierd after a turn off it dropps to 0% and then back to half the value before the mysterious turn off.
I got the problem first after updating to XXJW4 and using a JB ROM, now im using baseband xxjvo and no ROM but I still have the problem.
However the phone never turns off when the charger is plugged in, and while charging, the battery-status goes from 50% to 100% in 2mins
Sorry for bad english.
Please help Thanks in advance!

fasoti said:
My phone keeps turning off after using it for like 5mins, to turn it in I have to wait 10min, but again, it keeps shuting off after a minuit or two.
The battery status is really wierd after a turn off it dropps to 0% and then back to half the value before the mysterious turn off.
I got the problem first after updating to XXJW4 and using a JB ROM, now im using baseband xxjvo and no ROM but I still have the problem.
However the phone never turns off when the charger is plugged in, and while charging, the battery-status goes from 50% to 100% in 2mins
Sorry for bad english.
Please help Thanks in advance!
Click to expand...
Click to collapse
maybe is your battery cause this problem. before this your may try to flash ISC and do a full wipe. is the problem still remain then is time to change the battery. Hope this will help.
Sorry for bad english.

You aren't using a ROM?
Sent from my GT-I9000

[Q] Optimus Black not turning on without the usb cable

Hello everyone, so today when i woke up i had a problem with my Optimus Black. Yesterday after visiting some pages i connected my phone to the charger and then i went to sleep, but today when i woke up and went to my phone, i noticed that it's was hot as hell, i dind't understand what happened. It was only giving me the start screen with the LG Logo and then turning off. So i disconnected the cel from the power charge and let it cool some time, several minutes later when i tried to turn on my phone my phone but it did not turned on. So i connected the usb cable to the power charge and the phone turned on normally, even i send some messages to some friend, i noticed that the battery was recognized and charging when the phone was connected, so i proceed to disconnect my phone and trying to turned on, but then again no even the screen showed the Lg Logo, i don't know what happening, now i'm using my phone connected and i don't know what's happening, because the battery is recognized and charged, even the software recognized the battery and the power button is working well, it's only that i can use my phone disconnected. I would apreciate some help from you guys, thanks.
Software: Lg Optimus Black CM10.1

You could try reflashing the ROM. If it doesn't work, reflash with all wipes. And undo the last modification(any mod/tweak, etc) you made to system files.

If yoủr phone working fine and you didnt install/ tweak anything before you go to bed, lets check your cel or adaper.

If I were you, I'll try another battery first. I think if it was the ROM, the problem also shows up when you're connected to the power source.
Sent from my LG-P970 using xda app-developers app

Probably a battery prob?
Sent from my LG-P970 using xda app-developers app

[Q] My O2X turns BSOD when charging

Hi I have problem with my O2X (P990). When I plug phone to charger with screen off, phone gets black screen and I cant do nothing, till I remove the battery and put it back and start it again. I use latest CM10.1 and its known issue i think. Is there any solution for this? I turned on option "Stay awake" but its not practical - when im plugging phone to charger screen must be on - then there is no issue, but i cant think all the time about turning phone on when im putting it to charger. Thanks for any advice.

vermithraxcz said:
Hi I have problem with my O2X (P990). When I plug phone to charger with screen off, phone gets black screen and I cant do nothing, till I remove the battery and put it back and start it again. I use latest CM10.1 and its known issue i think. Is there any solution for this? I turned on option "Stay awake" but its not practical - when im plugging phone to charger screen must be on - then there is no issue, but i cant think all the time about turning phone on when im putting it to charger. Thanks for any advice.
Click to expand...
Click to collapse
Do the leds light up when you click the power button?
If so, try to click the power button a few times with 1 or 2 seconds in between, the sceen might turn on again. I got the same problem with my P990.

Yordi Pauptit said:
Do the leds light up when you click the power button?
If so, try to click the power button a few times with 1 or 2 seconds in between, the sceen might turn on again. I got the same problem with my P990.
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Click to collapse
No its absolutely dead, but thanks for trying.

Change rom or kernel. BSoD mostly caused by kernels.
Sent from my Xperia

flash it to ics v30 hit thanks if i helped
Sent from my Micromax A110 using xda premium

Hey! Sorry to barge in but i have a similar problem thou i'm on stock ics with touch recovery and root. Weird thing is that this was not happening before. What gives? :-?
If i plug in the charger with screen on then it works but if the phone is in standby and i plug it it stays "dead" and only option is obviously to remove battery.

Had this problem on the old bootloader. Use one of the new bootloader ROMs (tonyp's CM10.1 or pengus77's CM10).

thing is i'm using the new boot loader (stock ics is on new boot loader) but it didn't happen before so i'm suspecting either the battery or the phone.
i will try to eliminate one of the "suspects"(replace the battery) and i hope it does the trick....

I suffered from the same problem, and so the only solution that I was easily able to implement was enabling "keep screen on while charging" in development options. When the phone is charging, the screen will dim, but not turn off. It can be turned off using the power button, and the screen will turn off but device will stay awake, which will prevent the BSOD. I wasn't able to test if it was a battery problem and I didn't want to change the kernel or rom. I am using Temasek's CM 7.2 with Stefan's latest Symbi0sis Kernel. Hope I helped.
Sent from my Optimus 2X using xda app-developers app

i think i'm misunderstood :-? the phone charges just fine, it's just that i have to plug in the charger while the screen is on (if i don't do this the phone remains shut and becomes unresponsive hence the "pull out battery" solution).

Oh, my apologies. I thought you meant that the phone BSOD whenever you plug in the charger and leave it for a short period of time, whether the screen was on or off when the charger was plugged it in. In that case, I'm not sure I can provide a solution. Sorry, and good luck.
Sent from my Optimus 2X using xda app-developers app

ok now it works :| wtf? .... will further test but i did install greenify and auto memory and tweaked here and there some apps... could it be software problem? anyway thanks for reply, sorry for highjacking the OP and will come back with feedback.

same issue
vader20 said:
i think i'm misunderstood :-? the phone charges just fine, it's just that i have to plug in the charger while the screen is on (if i don't do this the phone remains shut and becomes unresponsive hence the "pull out battery" solution).
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Click to collapse
I have exactly the same problem since i updated the software,
I am on New bootloader,kernel KK124, and temasek latest CM 10.1 based ROM(v 75).
I always connect the charger with screen on and when it starts charging i put the screen off then no issues.
Another issue i am having is keyboard related .
When I type 2nd alphabet the keyboard goes off. Tried all latest ROMS ,and all gapps its the same.
The only gapps which works is the one provided in PAC man thread ,but it seems to work only with PAC MAN ROM.
But it has other issues( Any contact storage gives an FC,and a bit slow compare to avatar and temasek ROMS)