Blank screen - Galaxy S II Q&A, Help & Troubleshooting

Hello,
I wanted to upgrade my SGS2. Firstly root and cwm and everything is OK.
and full wipe, format system, format cache, format data
and start to install omega
in installation steps format /system and frozen.
unplug the battery and plug again. The phone not open. I try push the power button nothing, vol up+menu+powe buttoon nothing, vol down+menu+power nothing?
What is the problem and How to solve the problem?
I don't understand what is the problem

Try connecting it to your PC with a USB cable, does it charge?

Dr.Molestratus said:
Try connecting it to your PC with a USB cable, does it charge?
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I tried. no charge and before installation, chage is full

Try leaving it in the wall charger overnight, I hope that will help. Good luck!
Sent from my Nexus 7 using xda app-developers app.

Anything?
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Dr.Molestratus said:
Try leaving it in the wall charger overnight, I hope that will help. Good luck!
Sent from my Nexus 7 using xda app-developers app.
Click to expand...
Click to collapse
I'll try. thanks

You're welcome .
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Did it work?
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Related

no USB symbol in notification bar

Hi folks,
just like some of you I have some troubles when connecting my I9300 via USB.
After some attempts of solving this I have a new problem and no idea what to do.
When I plug in the USB cable I have no symbol in the notification bar at all. No switching of USB modes etc.
My phone is not listet as device in windows and so on...tried debug mode, reboots, no change...
It's charging through USB and I'm using the original cable from Samsung.
What am I doing wrong?
You should try another cable or other port 1st.
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Arsaw said:
You should try another cable or other port 1st.
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Click to expand...
Click to collapse
thanks. I tried a no-name cable and it works!
same problem
Arsaw said:
You should try another cable or other port 1st.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
I have same problem and i use different cable different PC with no solution any one can help
Joseph111 said:
I have same problem and i use different cable different PC with no solution any one can help
Click to expand...
Click to collapse
Is your phone charging?
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You can always try entering *#7284* and choose PDA mode.

Phone wont charge

Updated to polish jelly bean now my phone won't charge will I flash back?
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I would suggest to completely wipe all data, cache and dalvik and flash. If this fails flash a stock Rom and then flash the polish Rom. Hopefully this will solve it.
Sent from my GT-I9300 using xda premium
As what the dude above me said ↑
Also, i know it may sound silly but you may also try cleaning your phone'a usb port, it may be dirty.. or check your charger if it has something at fault. Or if you charge with the USB cable, check if it is okay and not broken
Sent from my GT-I9300 using xda premium

Phone will not charge

I need help i cant get my s2 to charge have tried using Odin to get to stock but it does not help. When I plug it in a get a yellow triangle and a thermostat
Did you try another battery?
Use the stock charging cable and the stock charger. If u are already, try taking the battery out, putting it back in, and leaving it alone for a while.
I have been doing that but as soon as I plug it in the phone turns off
Sent from my LG-P999 using xda app-developers app
And I did try another battery both are dead
Does it charge if u just plug it into the pc via usb cable?
No I just turns off and if I use my other battery as soon as I plug it on it turns off
I had a problem like this not to long ago. It ended up being my charging port got some pocket lint in it. So, have you tried cleaning it?
Sent from my AOKP GS2
Yes I have it didn't help
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I am think it is the USB port or the power button how would I change those
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royal69 said:
I am think it is the USB port or the power button how would I change those
Sent from my LG-P990 using xda app-developers app
Click to expand...
Click to collapse
http://bit.ly/v1bUA6
royal69 said:
I am think it is the USB port or the power button how would I change those
Sent from my LG-P990 using xda app-developers app
Click to expand...
Click to collapse
This is covered extensively in this very section of the forums.
Sent from my SGH-I777
royal69 said:
Yes I have it didn't help
Sent from my Amazon Kindle Fire using xda app-developers app
Click to expand...
Click to collapse
I would try cleaning it again. Use a soft bristle toothbrush and maybe a wooden toothpick. Mine has done this at least three times and its been the port every time.

Cantt connect to PC cm 9.1

Hello.
I can't connect my gs 2 to my PC via usb. It doesn't give any error message nor does the phone or the pc react in any wa to the usb connection exept the phone starts charging.
I tried: settings>storage>usb storage check mass storage.
I tryed to fis it with a console command.
I installed cm10. Same problem...
I tried formatting the sd card...
I really can't figure this out.
Please help me
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hmmmmm....all drivers updated and installed?
Yes. Drivers are good. I also installed kies which doesn't recognise the phone either.
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maybe the phone wouldn't recognize the pc
sure you don't wanna re-fash?
I reinstalled cm9 now and still same problem... really would appreciate any help
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and no charging issues whatsoever?
from sii xda-ded
The phone charges as usual from pc usb or charger
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Flashing time it is.
Sorry for doublepost. When rooting phone i lost warranty right ? So what if i unrooted it and installed a stock rom ? I did that with my previous phone the s8500 wave that ran bada and it was accepted in the shop for repairing.
Would that be an option? And is there a tutorial on how to restore the gs2 to stock?
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you got that right. Make it "out of the box" like and they won't notice it.
Now the question is how i do that... i'll google the crap out of this but if someone can give directions all help is welcome.
Thak you.
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I presume you are running Siyah Kernel!? You can force MTP and or mass storage
With the console command?
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Problem solved by installing the disaster rom. Whatever the reason was to this issue...
/thread
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[Q] is jig cable work with ray??

is jig cable work with ray??
You can use any microusb cable
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NobbyNet said:
You can use any microusb cable
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thanks for replay , but does it work with xperia ray
A jig cable is not required on SE phones. Samsung phones can only be flashed using special cables, but SE provided a flashmode that always works, by turning off your phone and pressing the back-button before you plug in your usb-cable...
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NobbyNet said:
A jig cable is not required on SE phones. Samsung phones can only be flashed using special cables, but SE provided a flashmode that always works, by turning off your phone and pressing the back-button before you plug in your usb-cable...
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Click to expand...
Click to collapse
thanks for replaying i can't enter flashmode on my xperia ray it's get stuck at the logo screen and the phone isn't detected by the pc so i think i have to take it to someone have JTAG cable to fix the boot
I fixed such a situation with clearing the drivers from PC and using we sus or emma and flashed stock fw. Then I started again. There was something like restart after broken flash.
I never headed about a jig cable for we phones. I know it only for Samsung devices.
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I think, I did it with http://developer.sonymobile.com/services/flash-tool/use-the-flash-tool-for-xperia-devices/
Have you seen this http://forum.xda-developers.com/showthread.php?t=1492805
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