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Blackscreen 4 Ever

Hello
I have a Problem with my Samsung Galaxy Tab Wifi
Nothing works... cant get in downloadmode, cant get in recovery mode... cant get in System.. nothing... Screen is black if i hit Key Combos like downloadmode or recovery or just powerbutton... after 10 sec the screnn is kinda lighter... but then turn off again... nothing... dead...
any help???
Possiblte to reset it kinda? back to somethin?
Any bootloader fixer??? please help!!!!

It would be helpful to know how your tab got that way - what did you do to it?
If you did nothing, then you should make sure it's 100% recharged, from the home power, not a laptop, using the stock charger, for at least four hours.

The sympton you explain looks like your battery is already out of juice. Its die i think. Yeah, try charge it for 4 hour and see how.

RootMe2Heaven, you probably flashed a wrong firmware version on your device. I had my sch-i800 like this but i managed to solve it.
First thing, as already told here, charge it for about 4 hours.
Second, put your usb cable in the device and try to turn it on until your pc recognizes it.
Third, if your pc is recognizing your device, try to boot again but in download mode and flash a stock firmware from samfirmware.com
If you can't make your pc recognize the device in any way, when connected via usb, then you probably have a hard brick that needs a riff box to ressurrect.
The most important is to make your pc connect to device via usb, after that is just a matter of flashing the correct firmware.

Oh yaa..what firmware are you? Did you flash with custom rom? What did the last thing you do before this problem happen?? Maybe some info could help this community to assist you.
Please refer below link and do more search;-
http://forum.xda-developers.com/showthread.php?t=1133590

[Q] Help me pls.. I think I've really bricked my P990

Hi all kind bros and sis,
Please help me out as I think I've really bricked my less than 2 months brand new Optimus 2X..
You see.. I rooted my P990 using unlock root and chanced upon CM7 and thought of giving it a try. I installed clockworkmod and downloaded the stable release of 7.1 for Optimus 2x.. following the instruction to do a Nandroid backup and proceeded with the Mod..
Not knowing that I need to wipe everything including data.. I just selected the Dalvik cache wipe and proceed with the mod. The process went for more than 15mins and I saw some graphics (the android figure going round and round) but it just stuck there... the screen went blank and when I touched those home or back buttons.. they will lighted but nothing happens. I can't power it off also. So I manually took out the battery and put it back before powering up again. The android picture appeared again briefly for about 1 min and just hanged there. I took out the battery again and this time it was dead.. no matter what I press : vol + and power buttons together; home+Vol+ + power down; Vol- + power down.. all those do not revive the phone.
I tried taking out the external SD card and try powering up. The LG logo appeared and got stuck there.
I searched on Google and found the smartflashtool. I tried that and managed to install the NVidia boot recovery driver and stuff correct. Hold the vol+ button and power key before plugging in but the smarttool did not find the com port or communication driver whatever so I couldn't flash it back to stock.
I'm very desperate and stuck now... did I just accidentally burned the board or something? What bad luck I have
If that's the case, will I still be able to bring the phone back to LG service centre and get it repaired?
Please help me.. any kind souls out there. I really liked the phone and hoped to bring it back. else it's such a shortlived phone... really breaks my heart to see this..
Thanks in advance...

humblepie88 said:
Hi all kind bros and sis,
Please help me out as I think I've really bricked my less than 2 months brand new Optimus 2X..
You see.. I rooted my P990 using unlock root and chanced upon CM7 and thought of giving it a try. I installed clockworkmod and downloaded the stable release of 7.1 for Optimus 2x.. following the instruction to do a Nandroid backup and proceeded with the Mod..
Not knowing that I need to wipe everything including data.. I just selected the Dalvik cache wipe and proceed with the mod. The process went for more than 15mins and I saw some graphics (the android figure going round and round) but it just stuck there... the screen went blank and when I touched those home or back buttons.. they will lighted but nothing happens. I can't power it off also. So I manually took out the battery and put it back before powering up again. The android picture appeared again briefly for about 1 min and just hanged there. I took out the battery again and this time it was dead.. no matter what I press : vol + and power buttons together; home+Vol+ + power down; Vol- + power down.. all those do not revive the phone.
I tried taking out the external SD card and try powering up. The LG logo appeared and got stuck there.
I searched on Google and found the smartflashtool. I tried that and managed to install the NVidia boot recovery driver and stuff correct. Hold the vol+ button and power key before plugging in but the smarttool did not find the com port or communication driver whatever so I couldn't flash it back to stock.
I'm very desperate and stuck now... did I just accidentally burned the board or something? What bad luck I have
If that's the case, will I still be able to bring the phone back to LG service centre and get it repaired?
Please help me.. any kind souls out there. I really liked the phone and hoped to bring it back. else it's such a shortlived phone... really breaks my heart to see this..
Thanks in advance...
Click to expand...
Click to collapse
Try using SmartFlashTool, download the LG stock ROM (can be found here in XDA forum, i'll help you find the link), flash the .bin and .fls files.

humblepie88 said:
Please help me out as I think I've really bricked my less than 2 months brand new Optimus 2X..
...
"Hold the vol+ button and power key before plugging in but the smarttool did not find the com port..."
Click to expand...
Click to collapse
Turn off the phone. Hold Vol-DOWN while plugging it in. Start Smartflash and see the com-ports magically appear.

Follow trymhansen's instructions. He helped me before with my softbricked phone.

I hope you get your O2X back to life! Keep us posted
Best of luck to you!
PS. I also believe you should pull out the battery after turning off the phone in Trym's instructions. Trym correct me if I'm wrong please.

Hi All,
Thanks for your kind replies. I did follow your instruction. Take out the battery (I removed the ext SDcard as well), press and hold -vol and plug in the phone via USB. Afterwhich start up smartflash tool.. still nothing happens and no com ports are found.. The version of smartflashtool that I used is Dec 2010. Do I need to get the latest one and also the LG united drivers installed?
I also tried starting smartflash tool before the sequence.. still the same. BTW.. my OS is Win 7. Is it supported?
Really at my end's wit. Hope I can bring my phone back to life soon and I'm not really bricking it. I heard Samsung phones are not that easy to brick and can get to the recovery mode pretty easily. is it true?
Please help me.. thanks

Hi bros,
Attached are my screenshots from the device manager and smartflash tool... both seems not able to find the phone and allocate a com port. I've tried installing the latest LG mobile driver 3.6 but no help as well

Have you followed instructions as described here http://forum.xda-developers.com/showthread.php?t=1008070 ?
Also, try to attach your phone directly to computer, using usb ports from computer mainboard. I have experienced problems when attaching it via extension usb cord or attaching it to computer case ports. (I hope that you can understand what I have mean to say with usb )

Hi Memhis,
Yes.. I followed exactly the instructions from the thread and I've plugged into a USB port directly to the computer which is one of the ports in front.. not via any extension or USB hub.. still it did not detect.
I'll try to use another computer which is running Win XP and try again. I've downloaded those 3 files from that thread you recommended try using those instead.. hope it can be detected this time else I think I'll have to send to LG service for repair tomorrow.
I've been jailbreaking and modding my Iphone a lot and everytime whenever there's a near brick situation.. I'm able to fix it but not this time with an Android or LG perhaps... I hope I don't have to go to the extend of using ADB low level to push some files which I saw in one of the thread that one of the guys did that.. but I doubt I can since my windows can't even detect the phone!!
Maybe this will be my first and last LG phone if I ever get it repaired...

humblepie88 said:
Hi Memhis,
Yes.. I followed exactly the instructions from the thread and I've plugged into a USB port directly to the computer which is one of the ports in front.. not via any extension or USB hub.. still it did not detect.
I'll try to use another computer which is running Win XP and try again. I've downloaded those 3 files from that thread you recommended try using those instead.. hope it can be detected this time else I think I'll have to send to LG service for repair tomorrow.
I've been jailbreaking and modding my Iphone a lot and everytime whenever there's a near brick situation.. I'm able to fix it but not this time with an Android or LG perhaps... I hope I don't have to go to the extend of using ADB low level to push some files which I saw in one of the thread that one of the guys did that.. but I doubt I can since my windows can't even detect the phone!!
Maybe this will be my first and last LG phone if I ever get it repaired...
Click to expand...
Click to collapse
launch smartflashtool first, extract the .fls and .bin files, hold down volume at the same time plug in the usb port to your comp. you must see a s/w updating logo in your phone's screen and smartflash should detect your phone. then click start!
Sent using a phone.

Hi mrgian,
I just tried to revive my phone by using the same method on a different laptop running on Win XP.. plugged directly to a side USB port but still no luck. There's no s/w updating logo appearing on my phone and smartflashtool also failed to detect my phone. I've found another thread opened by another user and my situation is exactly the same as his :
http://forum.xda-developers.com/showthread.php?t=1161583
But lucky for him is that he's able to get it working after changing to another PC but I've tried 3 different machines and no luck so far...
I'll try to use the NVflash as a last resort and see if I've any luck with NVflash at all.. If it failed again.. I think I've no choice but to send it to the repair centre for servicing then..

humblepie88 said:
Hi mrgian,
I just tried to revive my phone by using the same method on a different laptop running on Win XP.. plugged directly to a side USB port but still no luck. There's no s/w updating logo appearing on my phone and smartflashtool also failed to detect my phone. I've found another thread opened by another user and my situation is exactly the same as his :
http://forum.xda-developers.com/showthread.php?t=1161583
But lucky for him is that he's able to get it working after changing to another PC but I've tried 3 different machines and no luck so far...
I'll try to use the NVflash as a last resort and see if I've any luck with NVflash at all.. If it failed again.. I think I've no choice but to send it to the repair centre for servicing then..
Click to expand...
Click to collapse
does the laptop have lg drivers installed?
Sent using a phone.

inflance hotota
mrgian said:
does the laptop have lg drivers installed?
Sent using a phone.
Click to expand...
Click to collapse
Yes.. I've installed the latest LG united mobile driver version 3.6. Any wrong with that version... Really don't know where / what is missing or my phone is really fried after just one mod attempt?
I've also tried NVflash and it's stuck at the "bootloader initialization" screen....
Nothing appeared on the phone... not even LG logo. Can't believe LG phones are so fragile and unmodifiable

humblepie88 said:
Yes.. I've installed the latest LG united mobile driver version 3.6. Any wrong with that version... Really don't know where / what is missing or my phone is really fried after just one mod attempt?
I've also tried NVflash and it's stuck at the "bootloader initialization" screen....
Nothing appeared on the phone... not even LG logo. Can't believe LG phones are so fragile and unmodifiable
Click to expand...
Click to collapse
can you entet CWM? Press volume down til s/w will appear.
Sent using a phone.

try to charge the battery first...power off your device and charge it...maybe leave it charging for about 1hr even if you dont see anything on the screen( i believe after plugin the charger you will see the charging logo but it will disapear after a few seconds)...after 1 hr unplug and try to check if it will boot to clockwork recovery...if yes then just do complete data wipe...also try installing the ext3 back.zip, it will help delete system files(sometimes CWR is not deleting this)...hope this help

chupi_24 said:
try to charge the battery first...power off your device and charge it...maybe leave it charging for about 1hr even if you dont see anything on the screen( i believe after plugin the charger you will see the charging logo but it will disapear after a few seconds)...after 1 hr unplug and try to check if it will boot to clockwork recovery...if yes then just do complete data wipe...also try installing the ext3 back.zip, it will help delete system files(sometimes CWR is not deleting this)...hope this help
Click to expand...
Click to collapse
you got a point there.
Sent using a phone.

humblepie88 said:
Yes.. I followed exactly the instructions from the thread and I've plugged into a USB port directly to the computer which is one of the ports in front.. not via any extension or USB hub.. still it did not detect.
Click to expand...
Click to collapse
When you say an USB port in the front do you mean an USB in the back? Because the ones in front are the case ones, the ones in the back are the good ones, i.e. the ones that are directly attached to the mobo.

LarsPT said:
When you say an USB port in the front do you mean an USB in the back? Because the ones in front are the case ones, the ones in the back are the good ones, i.e. the ones that are directly attached to the mobo.
Click to expand...
Click to collapse
I've tried the recovery via 2 diff laptops and plugging in directly to one of the side USB ports but to no avail as well.. I think I've plugged in the phone correctly but there's no reaction at all/

mrgian said:
can you entet CWM? Press volume down til s/w will appear.
Sent using a phone.
Click to expand...
Click to collapse
How to enter CWM? I can't even power up the phone and no reaction at all when plugged into USB via smartflash.. the screen remains black. It's liked the whole phone is burned or something... but strange thing is that it can detect APX and asked to install drivers... but after successfully installing the Nvidia boot recovery driver.. the com ports does not get discovered.. What is wrong?

chupi_24 said:
try to charge the battery first...power off your device and charge it...maybe leave it charging for about 1hr even if you dont see anything on the screen( i believe after plugin the charger you will see the charging logo but it will disapear after a few seconds)...after 1 hr unplug and try to check if it will boot to clockwork recovery...if yes then just do complete data wipe...also try installing the ext3 back.zip, it will help delete system files(sometimes CWR is not deleting this)...hope this help
Click to expand...
Click to collapse
I plugged in the phone with battery but there was no charge logo or whatever.. the screen remains blank.. I'll try to leave it charging and see what happens. But I've remembered there was still about 80% power when this disaster happened and I've taken out the battery since.. so the charge should have remain? Btw.. where can I get this ext3 back.zip and how to use it? thanks

Hard Brick Ace, need help, my phone is doing strange things

Hello ,
I was flashing my 5830 with CWM then he shuted down while he was fully charged.
I was'nt able to reboot in any way (regular , download, recovery) : my screen is black, not even a little light.
But i plug it into the computer, and this time odin recognised it as 0:[COM17].
I was happy, and i put the firmware from samfirmware, and started flashing.
But he gets stucked at setup connection because he says that he can't open the serial COM port.
What can I do ?
Thanks, Kal.
PS : I need my phone tomorrow :crying: so please answer quickly

Okay,
so in fact it's hardware problem.
The power button as dead.
A store replace it and now it's ok

kal8578 said:
Okay,
so in fact it's hardware problem.
The power button as dead.
A store replace it and now it's ok
Click to expand...
Click to collapse
Good to know the problem is solved

HEEELP FIRENDS PEASE!! MI3 after flash wont turn on, no ecovery and no FASTBOOT!

Hi
This morning i charge my phone full. And try to trought MiPphone install a rom. Now i cant turn it on, no recovery, no fastbooth. When i put it in charge it doesent turn the light that he is chargin. I press bottons and hold to enter in recovery and to fastbooth and noting. Please tell me is posiblle to fix and how! ((((
My firends, plese help meee :'((((

I think that is impossibile that it don't turn on in all mode...maybe you had a low battery level when you flash the rom?

simoneluconi said:
I think that is impossibile that it don't turn on in all mode...maybe you had a low battery level when you flash the rom?
Click to expand...
Click to collapse
He have so much battery... :'(

maybe you did the wrong thing in the wrong moment, the phone broke while you were updating. Or try with a different charger

wavexda said:
Hi
This morning i charge my phone full. And try to trought MiPphone install a rom. Now i cant turn it on, no recovery, no fastbooth. When i put it in charge it doesent turn the light that he is chargin. I press bottons and hold to enter in recovery and to fastbooth and noting. Please tell me is posiblle to fix and how! ((((
My firends, plese help meee :'((((
Click to expand...
Click to collapse
if charging doesn't help there is a thread on miui forum but it requires opening the phone(if it's in warranty don't)
quote me if u want the link

anuraag122 said:
if charging doesn't help there is a thread on miui forum but it requires opening the phone(if it's in warranty don't)
quote me if u want the link
Click to expand...
Click to collapse
Thx my firend. Yes I know and I do that. Here is what i posted after wen i finish that method:
After brick my MI3, I use the methodr to fix my phone with wire. I open MI3, put wire on test points and tray to FLASH. But I never finish flash. Then i remove the wire and I make Flash without WIRE
After flash, I have 7 local disk in my computer from MI3. Two local disk are 63.9 MB and they are just free 11.5MB, and other 5 local disk want to do a format disk.
When I back battery I can't turn on my phone, and wont charge. If I put USB in him he will have the same local disk like without battery.What to do?
Now I can do a Flash with, and witout battery. But they are the same problem. PC recognize MI3 but it wont turn ON, won't charge.
What to do now?
Click to expand...
Click to collapse

Service center
in any condition fastboot mode should be open. if not, only possibility low battery. or else service center

try ADB flash..search in google..it may help..if ur pc recognizes ur phone.

Unbrick Completely Dead Mi3 With No Fastboot/Recovery http://en.miui.com/thread-73348-1-1.html
credits to @subhrajitnath

Rebooting phone after kernel change, Please HELP !!

Welcome, im new about the sony phones, i get a Sony Xperia SP and i wanted to make cool with kernel, rom and recovery changing.
First i maked root with an app, its worked after it i installed a recovery pack with 3 types of recovery what i find there.
The neyt step was i had to go into recovery and clear the phone and installed Candy Rom and tangerine kernel.
i get nothing the phone dont started, i read and read on this forum and i found flashtool, so i pluged it and flashmode was okay, i started to install the good rom but its stopped every time so i tried to install in parts.
after it when i tried to start the phone its bootlooped and now i cant connect to pc.
What the phone do now:
when i connect to PC its start green led and in device manager sayit is unknow device and name: S1BOOT DOWNLOAD, the Sony PC Companion tell (null) is connected but there is no device when i open. the green led stops after 8-10 second and the pc feels disconnected device, then Sony logo is showed on screen with red light, and after 10-12 second its stops and this cycle start again.
when disconnected, i can start with the button, its make a really little green light flashing and a vibrate, sony logo showed to 10-12 sec then phone turn off.
with start and volume- button do the same like without volume button.
when i press off button to 10 sec its ring 3 times but nothing different happen.
Please help me, what can i do with which tool.

Ozi021 said:
Welcome, im new about the sony phones, i get a Sony Xperia SP and i wanted to make cool with kernel, rom and recovery changing.
...
Click to expand...
Click to collapse
Well, I guess you've made it cool, indeed...
Locked or unlocked bootloader?

varioventus said:
Well, I guess you've made it cool, indeed...
Locked or unlocked bootloader?
Click to expand...
Click to collapse
i don't realy know, i think locked because i just do what i written.