Need Help! Phone doesn't turn on. - Galaxy S II Q&A, Help & Troubleshooting

Hello everyone. Today I've accidentally installed wrong ClockWorkMod recovery on my Samsung galaxy GT-I9100. Now phone doesnt turn on, it only freezes on white "Samsung" starting text. I can't even get to the download mode now.. Is the any solution or should I bring it to the tec. service?
Thanks in advice.

What recovery exactly ? In other words, we can't give you any idea of what you can possibly try next unless you tell us precisely what you did.

MistahBungle said:
What recovery exactly ? In other words, we can't give you any idea of what you can possibly try next unless you tell us precisely what you did.
Click to expand...
Click to collapse
I did exactly that's written here: (can not paste the url yet)
Steps to root the Samsung Galaxy S2 I9100G on Android 4.1.2 Jelly Bean
1) Download Rooting package [File name: SU-BB-Installer.Zip] for Galaxy S2 I9100G to the computer
2) Connect the phone to the computer using USB cable and copy the downloaded zip file to the external SD card of the phone
3) Unplug the USB cable from the Galaxy S2 and turn it off
4) Boot the phone into Recovery Mode. Press and hold Volume Up + Home buttons together and then press the Power button until the Samsung logo blinks twice. Now release the Power button but keep pressing the other two buttons until a black background with blue text arrives
5) Using the Volume buttons scroll down to 'apply update from external storage,' select it by pressing the Power button. Then locate the SU-BB-Installer.zip file which is saved on the SD card. Select it using the Power button and confirm installation. The process will take some time
6) Once the installation is completed, return to the recovery menu and reboot the phone by selecting 'reboot system now'
Steps to install CWM Recovery on Galaxy S2 I9100G
1) Download the Blazing kernel file, that contains CWM recovery, for Galaxy S2 and save the zip file on the SD card of the phone
Download links- .....
2) Power off the phone and place the device into recovery mode. Press and hold the Volume Up + Home buttons together then press the Power button until the Samsung logo blinks for two times. Now release the Power button while keep pressing the other two buttons until a black background with blue text is seen
3) Using the Volume buttons scroll to 'apply update from external storage,' select it by pressing the Power button. Now navigate to the downloaded CWM recovery zip file which is saved on the SD card
4) Select the zip file and confirm installation. The process will take some time
5) Once the installation process is completed, return to the recovery menu and select 'reboot system now' to reboot the device

Perhaps a silly question, but was your phone definitely on 4.1.2 at the time?
Personally I prefer the root methods using Odin - you get a lot more feedback as to whether or not things are working.

bringiton8989 said:
Perhaps a silly question, but was your phone definitely on 4.1.2 at the time?
Personally I prefer the root methods using Odin - you get a lot more feedback as to whether or not things are working.
Click to expand...
Click to collapse
Yes it was, but I did't notice that tutorial is for S2 I9100G, because mine is S2 I9100. By the way, is there a chance that usb jig could fix this? Because Im losing hope to start it manually..

You've flashed firmware for a different device, this is why your phone is dead. Take it to someone who does JTAG's, it may be JTAG'able. If a JTAG doesn't work replace motherboard - either a new one by Samsung service centre (expensive) or a 2nd hand one you source yourself & pay a local mobile repair shop to swap (cheaper).

MistahBungle said:
You've flashed firmware for a different device, this is why your phone is dead. Take it to someone who does JTAG's, it may be JTAG'able. If a JTAG doesn't work replace motherboard - either a new one by Samsung service centre (expensive) or a 2nd hand one you source yourself & pay a local mobile repair shop to swap (cheaper).
Click to expand...
Click to collapse
Thank you! And what about usb jig, should I try it?

Of course, given they only cost a couple of bucks on eBay you don't have anything to lose. This might be the 1 in 10,000 where it works in this situation for whatever magical reason. But you do need to be realistic/manage your expectations & buy one expecting it won't work.

Since its dead/bricked, try what ever is neccessary to turn it on. Does the recovery mode work? If it does try to update/flash a stock official firmware for your phone. Do what ever is necessary or get ready to pay for some bucks at the local repair shop.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app

Related

HUGE PROBLEM - bought a messed up Vibrant

I just received a Vibrant (GT I9000M) I bought on eBay, this is the first time I got a phone that is totally buggered up.
It powers on, Firmware: 2.2, Baseband version: T959UVJK2, Kernel version 2.6.32.9, Build: FROYO.UVJK2
No android market app
Internal SD card error
volume down does not work, volume up button acts as if it were volume down.
If I connect USB, phone powers off, unplug and it powers up again
cannot power boot recovery mode
- I can trick it into recovery by doing a phone reset because it cannot mount internal SD.
cannot go into download mode, may be because USB is unresponsive or volumes don't work.
cannot load update.zip directly to SD from phone itself because it can't mount internal SD, therefore can't save anything on phone.
Any ideas?
Search for the odin thread. You can fix this.
Sent from my SGH-T959 using XDA App
Go into Download mode:
*** DOWNLOAD ODIN AND FOLLOW DIRECTIONS HERE:
http://androidspin.com/2010/08/09/how-to-restore-or-recover-your-samsung-vibrant/
(I'm not sure if you can use this ^^ method if you have the GT-I9000 version but go the bible:
http://forum.xda-developers.com/showthread.php?t=771111
and do some research there.)
1. Take off back cover
2. Take out battery and SIM card
3. Plug into USB.
4. Hold down BOTH volume buttons at the same time,
5. While STILL holding down BOTH volume keys place in battery while STILL holding down the volume keys.
6. Download mode appears, then follow instructions on link above.
I should have posted in Q&A, my apologies.
If I can get an external SD to mount, can I flash to an update.zip on the external?
I have tried ALL odin options, cannot get into download mode at all...
stoicism said:
I should have posted in Q&A, my apologies.
If I can get an external SD to mount, can I flash to an update.zip on the external?
I have tried ALL odin options, cannot get into download mode at all...
Click to expand...
Click to collapse
yes you can...BUT, you have tho be able tho select it with the vol buttons. Have you tried charging it fully?
Sent from my SGH-T959 using XDA App
Not the right place to write ( should be Q/A)
but looks like you have and old Froyo installation on the phone, they use to mess with all the keys.
Follow this guide
http://forum.xda-developers.com/showthread.php?t=799105
if you still have problems let me know, I will try to help you
Regards
IFv ou have a Vibrant (T-Mo??) and it shows as a I-9000 then you have the wrong rom installed. Use ODIN to go back to stock
Ifo you bought a I9000 (and in the labels model is I9000) but it has installed the Vibrant rom, then you are in the wrong place!
First clarify which phone (hardware wise you have)
If you cannot get into download mode in any normal way you might have to
use the JIG
http://forum.xda-developers.com/showthread.php?t=819551
but first you may want to goto the I9000 section and look at how they
get into download mode, I think it's hold home plus one of the volume
buttons.
Getting to Download Mode
To do this, you'll need the phone charged. This works on ALL vibrant, not sure on the 1900.
1. Set up the Odin to whatever you are trying to flash. (Find an Odin Thread to get the files and instructions needed).
2. Plug in the USB to both the phone and the computer you're using. (Important Note: you must have the correct Drivers needed installed before starting this process).
2. Hold down volup, voldn, and the power button. (All at the same time). The phone should switch off and reboot with the samsung galaxy s showing as it's booting. Do not let go of the 3 buttons you're pressing, it should switch off again to restart. Immediately it switch off, let go of ONLY the power button. Your finger should not leave the volup/voldn buttons during this process. This should bring you to download mode.
If this doesn't work, you're DOOOOooomed. Jk...trust me, it's almost impossible to break/brick this phone (I've tried numerous times).
Damn. Is the water indicator at least still white? Or did they remove it.?
I modified Quick Boot to boot into download mode (which is free from the market so NOT warez)
if by some miracle you have root installed on that phone and can download this
attachment you have a shot at recovering that phone.
Dont be rude, play nice
HUGE PROBLEM - WRONG SECTION
If your going to beg strangers for help on a bad deal you got on e bay at least do us all a favor and read the thread rules before posting. I hate the impatient people that can't waste their own time reading to fix their own problems and insist on wasting everyone else's time. Just read all you can and you will know as much as all of us, if you simply don't have the time return the phone but don't post cries for help in development I find it somewhat disrespectful to the entire community and it happenes way to often so it's hard for me to sympathize. OP don't take this personal your post was just the straw that broke the camels back that's all.
Sent from my vibrant
My advice about your phone... odin is your only hope to get that thing going ( if your volume button is truly broken, adb can reboot you phone into download mode)
Sent from my vibrant
stoicism said:
I just received a Vibrant (GT I9000M) I bought on eBay, this is the first time I got a phone that is totally buggered up.
It powers on, Firmware: 2.2, Baseband version: T959UVJK2, Kernel version 2.6.32.9, Build: FROYO.UVJK2
No android market app
Internal SD card error
volume down does not work, volume up button acts as if it were volume down.
If I connect USB, phone powers off, unplug and it powers up again
cannot power boot recovery mode
- I can trick it into recovery by doing a phone reset because it cannot mount internal SD.
cannot go into download mode, may be because USB is unresponsive or volumes don't work.
cannot load update.zip directly to SD from phone itself because it can't mount internal SD, therefore can't save anything on phone.
Any ideas?
Click to expand...
Click to collapse
Ok, you have a direct variant of the global I9000 galaxy s. Go to teh galaxy s forum, you will find allthe galaxy s methods for recovery/downloading mode. This forum is for the samsung vibrant (t959) not galaxy s(I9000/I9000B/I9000M)
Sent from my Samsung Vibrant of awesomeness.

Samsung Fascinate Root and ICS

Hey, Ive been wanting to get ICS on my Verizon Samsung Fascinate, I'm just really confused and what i need to do to get it on my phone after rooting. I want to use CM7 but i dont know which to use (Nightly/Stable).
All from bhfd64 on the Galaxy Forums
[HOW TO] Root Froyo or Gingerbread on Your Fascinate
Below you'll find the steps to attain root access on your Samsung Fascinate, but keep in mind that along with risking damage to your phone, you'll be voiding your warranty. This guide assumes you've taken the most recent OTA update and are running official Gingerbread. The responsibility for any damage incurred by following this guide is yours and yours alone.
NOTE 1: These instructions are for PC only. They will not work for Mac users.
NOTE 2: These instructions should work for any stock Gingerbread build on the Fascinate.
Downloads:
Download Samsung drivers from HERE.
Download Odin (computer program) from HERE.
Download ClockworkMod Recovery from HERE (place this file somewhere on your computer where you can easily locate it).
Download "su-2.3.6.1.x.zip" file from HERE (place this file on the root of your sdcard...not within any folders).
Instructions:
1. Install Samsung drivers on your computer.
2. Open Odin on your computer. (You may need to disable antivirus programs on your computer and/or phone for this to work properly.)
3. Power off your phone and remove the battery.
4. Plug the stock USB cord that came with your phone into a powered USB port on your computer (usually on the back of the computer).
5. Press and hold the "volume down" button on your phone, and continue to hold it while plugging the USB cord into your phone. This will put your phone into download mode. You'll see a large yellow triangle on the screen of your phone. (Let go of the volume button at this point.) You will also see one of the small boxes in Odin turn yellow, as well as "Added" appearing in the message box.
6. Click the PDA button in Odin (NOT the PHONE button) and navigate to the "CWM3_Voodoo.tar.md5" file you downloaded earlier. This file does not include a voodoo kernel and will not perform the voodoo lagfix conversion. It's only named as such to note that it is compatible with voodoo kernels.
7. Click START. When this process has finished, you'll be notified in Odin (succeeded 1 / failed 0) and your phone's screen will go blank.
8. Unplug your phone and re-insert the battery.
9. Press and hold BOTH volume buttons. While holding them, press the power button. Hold all three simultaneously until you see "SAMSUNG" appear. This will boot your phone into ClockworkMod Recovery. If your phone boots up normally here and not into recovery, just wait for it to boot up and then power it down and try again. It may take a couple tries for you to get it right.
10. Using the volume rocker, navigate down to "Install zip from sdcard." Highlight it and press the power button to select.
11. Navigate to "choose zip from sdcard" and select with the power button.
12. Navigate to the "su-2.3.6.1.x.zip" file that you downloaded earlier and select it. Scroll to "Yes," and use power button to select.
13. When you're advised of completion, press the MENU softkey to go back to the previous CWM Recovery screen, then highlight and select "reboot system now."
At this point your phone will reboot and you'll be rooted. Open up your app drawer. You should see an app called "Superuser." If it's there, you're done! Now you can think about possibly moving on to a custom ROM and/or kernel. Instructions for flashing a custom ROM can be found here.
Thanks for any help and sorry for the Questions i read around and couldn't find anything i understood.
meareskm1 said:
Hey, Ive been wanting to get ICS on my Verizon Samsung Fascinate, I'm just really confused and what i need to do to get it on my phone after rooting. I want to use CM7 but i dont know which to use (Nightly/Stable).
All from bhfd64 on the Galaxy Forums
[HOW TO] Root Froyo or Gingerbread on Your Fascinate
Below you'll find the steps to attain root access on your Samsung Fascinate, but keep in mind that along with risking damage to your phone, you'll be voiding your warranty. This guide assumes you've taken the most recent OTA update and are running official Gingerbread. The responsibility for any damage incurred by following this guide is yours and yours alone.
NOTE 1: These instructions are for PC only. They will not work for Mac users.
NOTE 2: These instructions should work for any stock Gingerbread build on the Fascinate.
Downloads:
Download Samsung drivers from HERE.
Download Odin (computer program) from HERE.
Download ClockworkMod Recovery from HERE (place this file somewhere on your computer where you can easily locate it).
Download "su-2.3.6.1.x.zip" file from HERE (place this file on the root of your sdcard...not within any folders).
Instructions:
1. Install Samsung drivers on your computer.
2. Open Odin on your computer. (You may need to disable antivirus programs on your computer and/or phone for this to work properly.)
3. Power off your phone and remove the battery.
4. Plug the stock USB cord that came with your phone into a powered USB port on your computer (usually on the back of the computer).
5. Press and hold the "volume down" button on your phone, and continue to hold it while plugging the USB cord into your phone. This will put your phone into download mode. You'll see a large yellow triangle on the screen of your phone. (Let go of the volume button at this point.) You will also see one of the small boxes in Odin turn yellow, as well as "Added" appearing in the message box.
6. Click the PDA button in Odin (NOT the PHONE button) and navigate to the "CWM3_Voodoo.tar.md5" file you downloaded earlier. This file does not include a voodoo kernel and will not perform the voodoo lagfix conversion. It's only named as such to note that it is compatible with voodoo kernels.
7. Click START. When this process has finished, you'll be notified in Odin (succeeded 1 / failed 0) and your phone's screen will go blank.
8. Unplug your phone and re-insert the battery.
9. Press and hold BOTH volume buttons. While holding them, press the power button. Hold all three simultaneously until you see "SAMSUNG" appear. This will boot your phone into ClockworkMod Recovery. If your phone boots up normally here and not into recovery, just wait for it to boot up and then power it down and try again. It may take a couple tries for you to get it right.
10. Using the volume rocker, navigate down to "Install zip from sdcard." Highlight it and press the power button to select.
11. Navigate to "choose zip from sdcard" and select with the power button.
12. Navigate to the "su-2.3.6.1.x.zip" file that you downloaded earlier and select it. Scroll to "Yes," and use power button to select.
13. When you're advised of completion, press the MENU softkey to go back to the previous CWM Recovery screen, then highlight and select "reboot system now."
At this point your phone will reboot and you'll be rooted. Open up your app drawer. You should see an app called "Superuser." If it's there, you're done! Now you can think about possibly moving on to a custom ROM and/or kernel. Instructions for flashing a custom ROM can be found here.
Thanks for any help and sorry for the Questions i read around and couldn't find anything i understood.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1238070
just follow the required section 4 ..
u can choose the ics rom u want
Vabs
thanks thats actually the one i found after posting this. Now im just having trouble connecting to odin it says a device failed and that the device is unknown. Any help on that? i have tried multiple things that ive read like restarting computer different cables and cleaning the usb ports. Im using odin 1.83 on vista 64 bit. Could it be the drivers for the phone messing up?
Thanks in advance.
meareskm1 said:
thanks thats actually the one i found after posting this. Now im just having trouble connecting to odin it says a device failed and that the device is unknown. Any help on that? i have tried multiple things that ive read like restarting computer different cables and cleaning the usb ports. Im using odin 1.83 on vista 64 bit. Could it be the drivers for the phone messing up?
Thanks in advance.
Click to expand...
Click to collapse
Do you have the samsung drivers installed?
Sent from my SCH-I500 using xda app-developers app
shirtlessrabbit4 said:
Do you have the samsung drivers installed?
Sent from my SCH-I500 using xda app-developers app
Click to expand...
Click to collapse
Yes and i have unistall and reinstall 3 times. But it will connect in debugging mode and say com3 added but still nothing in d/l mode
meareskm1 said:
Yes and i have unistall and reinstall 3 times. But it will connect in debugging mode and say com3 added but still nothing in d/l mode
Click to expand...
Click to collapse
I know u may not have files for this or even know what it is, but have you tested to see if adb or fastboot work at all? Might be unrelated but I think that it shows if samsung drivers are working correctly
Sent from my SCH-I500 using xda app-developers app
shirtlessrabbit4 said:
I know u may not have files for this or even know what it is, but have you tested to see if adb or fastboot work at all? Might be unrelated but I think that it shows if samsung drivers are working correctly
Sent from my SCH-I500 using xda app-developers app
Click to expand...
Click to collapse
I've heard about it. Do you think you could link me a walk-through that youd suggest and I can try it later.
Sent from my SCH-I500 using xda app-developers app

[Q] red triangle, no download mode on samsung S III gt-i9300

I have an unrooted samsung s III, gt-i9300 which does not enter download mode. I do have recovery mode and the phone operates fine in normal mode. I thought I had a backup, but I was wrong. I tried to use cf-auto-root to root the device, thinking it would be easy, and I think download mode got overlaid in the process.
Without download mode, I find I cannot use ODIN to restore/install anything.
I also find that I cannot use Kies. When I use Kies, on a windows system, I seem to always get prompted for drivers. I thought all the samsung usb drivers were included with Kies.
full system reset gets rid of my user data, but did not restore download mode.
Can I use recovery mode to restore my system either to stock mode or to jelly bean? The phone is new and I don't have anything on it that I need to preserve.
Thanks!
There's no way the phone works and recovery work, but no download mode, you must be doing something wrong
You have to press Vol - + Home Button + Power Button untill the download mode appears (ca. 10sec).
instead of download, recovery menu with red triangle
GerasVille said:
You have to press Vol - + Home Button + Power Button untill the download mode appears (ca. 10sec).
Click to expand...
Click to collapse
First off, thanks for the speedy response!
Here is exactly what happens when I try that:
1) at around 6 seconds, I see a green android on its back, with a red triangle above his exposed inner
2) this will stay there until I hit the home key (all other keys are disabled)
3) when I hit the home key, I see the "Android system recovery <3e>" menu
If I try to do wipe data/factory reset or wipe cache partition, the problem remains.
I was able to get into download mode once, when I tried to install cf-auto-boot, but not since.
thanks again!
Pete
Recovery? You sure you're not pressing Volume UP?
using volume up
Glebun said:
Recovery? You sure you're not pressing Volume UP?
Click to expand...
Click to collapse
yup... not volume up. I tried that one too, because I thought I was going nuts.
When I do this:
1) power off
2) pull battery
3) insert battery
4) press and hold volume UP
5) press and hold home button
6) press and hold power
7) wait 5 seconds then release all 3
I see a hardward diagnostic screen showing "factory mode" in a blue background and a list of types of diagnostic tests (full test, item test, test report, clear eMMC, Version, Reboot).
No download mode next step is a USB Recovery |Jig .
Or service centre .
Possible you have a fake / clone SGS3 . Where purchased what firmware .
jje
Imm76d.i9300zsale9
JJEgan said:
No download mode next step is a USB Recovery |Jig .
Or service centre .
Possible you have a fake / clone SGS3 . Where purchased what firmware .
jje
Click to expand...
Click to collapse
I (incorrectly) thought that the clone was identical to the samsumg gt-i9300.
firmware is IMM76D.I9300ZSALE9
sounds like I need to start researching the firmware. THANKS!
no firmware from xda will work for you
Seems you got a mediatek clone.
Not only they will not run the official operating system including aftermarket ones like Cm (completely different hardware) but they are less powerful and have less interesting hardware than the real S3.
Additionally they don't tend to live very long and have lots of issues.
Verzonden door mijn GT-I9300 met xda premium
coolhof said:
Seems you got a mediatek clone.
Not only they will not run the official operating system including aftermarket ones like Cm (completely different hardware) but they are less powerful and have less interesting hardware than the real S3.
Additionally they don't tend to live very long and have lots of issues.
Verzonden door mijn GT-I9300 met xda premium
Click to expand...
Click to collapse
now you tell me! Thanks for the info.:crying:
pmckay said:
now you tell me! Thanks for the info.:crying:
Click to expand...
Click to collapse
Surely you must have seen you didn`t get a Samsung box with the seals intact as well as the bootupscreen that should say GT-I9300. And off course the price you payed must have been quite a bit lower than the real S3.

[Q] Problem after installing CWM Recovery

Hello everybody,
this is my first post so please be gentle with me. I rooted my Galaxy S2 I9100 and after that I installed CWM Recovery (Blazing_Kernel_v3_CWM5.zip). The rooting part went well, after the restart everything was ok. After the CWM Recovery installation the phone is stuck at the logo screen "Samsung Galaxy SII GT-I9100". From what I have seen during the CWM Recovery installation everything got installed just fine so I don`t understand what could have happened.
I have seen my exact same problem asked here on the forum but the others had more luck, they could boot in Recovery or Download Mode.. I cannot boot in any of the 2.
Is there anything I can do or is the phone bricked for good?
PS: I have insurance on my phone and I have dropped it a week ago and broke a bit of the screen but the phone worked just fine..besides the fact that from that moment on the external memory card could be read very slowly by the phone and sometimes just crashed because of that. Sometimes it wouldn`t read the external memory card at all. Do you think I can go and tell the insurance guys that I have this problem after I dropped the phone and that it is maybe related?
Thank you all in advance!
I've never heard of that kernel on a I9100, pretty sure you flashed a kernel meant for another device.
Try a jig and, if that doesn't fly, take it to your insurance company.
And no, they won't buy the drop story.
Sent from...this is not even my S2
Hello,
You're new, we get that, but it doesn't give you permission to break rules. Just heads up, nothing relevant.
You have not hardbricked your phone, since you can still boot up to wherever. I assume you have already tried the correct ways to enter either download or recovery mode.
According to me it seems like you have flashed a Kernel for the i9100G devices, and from the information i see here i assume you have the international version. So that's maybe your problem, you have flashed a kernel for the wrong device.
about the dropping your phone. If it worked before dropping it, then i don't think they'll repair it.
PS. There's another way to get into download mode, but i'm pretty tired so i don't think i'll bother looking
i've seen @GamingDj explain this to another user so maybe he can explain here too if he sees this
I dont think Ive read about your situation before.......semi booting but no recovery or download modes.
-------------------------------------------
maybe your an iphone expert
------------------------------------------
There's two alternative ways to boot into DL mode...
1. Take out the battery, leave it out for a minute. Then, hold the button combo to enter DL mode. Still holding the button combo, put the battery in. Try a couple times if you don't get it first go.
2. Turn the phone off. Then, hold the button combo for DL mode while inserting the phone charger. That would normally boot into DL mode.
Sent from a galaxy far, far away
So many noobs!
God,I have to copy-paste this again....ok,so here we go.First of all, download this firmware.It's Android 4.0.3 XWLP7.After it finished downloading,extract it,so you will have a .tar.md5 file,and then open Odin.Make sure Kies is stopped.Then,on your mobile:make sure it's charged,and in Settings enable USB debugging(if you can boot the rom)Then enter Download Mode(Hold POWER + HOME + VOL DOWN buttons together until it enters download mode).If that doesn't work,then pull out the battery,start pressing the VOL DOWN button,reinsert battery,and put in the charger.Now it should be in Download mode.If no,then a JIG it is.Now connect it to your PC.In Odin,Click PDA,and select the extracted firmware file.Make sure "Re-Partiton" and "Flash Lock" are unticked.Then Click start.It will take ~ 5 min. to flash the new ROM.After completed,disconnect it from PC.It maybe won't boot/it will be stuck in bootloop.Now enter Recovery(hold POWER + HOME + VOL UP buttons,until it restarts and shows up the "Galaxy S2 GT-I9100" screen.Now let the buttons go.In recovery(you can navigate with VOL UP/VOL DOWN buttons , and select with POWER button) select "Wipe Data/Factory Reset",or something similar.Select yes.It will take ~ 3-8 min. to wipe.That's it,you have restored your Galaxy S2!.If you want to root it,follow along.Download this file,and put it on your phone`s EXTERNAL SD! card.Now reboot into Recovery.In recovery,select "Install update from external storage", or something similar,and search the downloaded file.Install it.Now reboot.You don't have to wipe anything.That's it!
I swear that post should be sticky in the Q&A section.So many people can't read.
This is not even a recap nor a guide, not sure if it is spoon feed either.
Sent from...this is not even my S2

Tutorial - Root for US Cellular Galaxy Mega

So I have some great news for all you US Cellular owners out there. I have found a way to root the Mega. To my knowledge this is THE FIRST ROOT FOR THE US CELLULAR MEGA. This will only work for the 4.4.2 version so make sure you have updated or flashed it in odin.
I hope this tutorial isn't too confusing. Sorry I'm not a good teach but I want to get this out to the people who are having trouble getting rooted.
Things you will need:
1. SCH-R960 Device (US Cellular Galaxy Mega)
2. A good micro usb cable. Preferable the cable that came in the box.
3. A PC
4. Odin 3.09 http://odindownload.com/
5. CWM Recovery http://fs1.d-h.st/download/00066/7VS/i9200-cwm-recovery(201362118259).tar
6.And the actual root file http://download.chainfire.eu/446/SuperSU/UPDATE-SuperSU-v1.99r3.zip?retrieve_file=1
Note:The CWM and root files say they are for the i9200 version. They work fine for the SCH-R960
Ok first you need open Odin and plug your device into your PC. If the connection is successful then the box at the top left corner will turn light blue.
Put your device into download mode put hold volume down+home+power until a screen appears, then press volume up.
Click on the AP button and browse to the folder you placed CWM in and choose the file.
Make sure you dont change any settings in odin or check or uncheck any boxes, Click Start
Odin will do its thing and the phone will reboot.
After it passes the Samsung Galaxy Mega screen it is safe to unplug the device from the PC
Let the phone boot.
After it boots you need to close odin plug your usb cable back into the phone.
Find the SuperSUUPDATE.zip file and place it onto the root of either the internal storage or external SD card. (I used the internal storage)
Now you can unplug the usb cable from the phone and power it off.
Boot into Recovery by using the volume up+home+power keys until you see the first screen pop and the release.
You should now be in recovery mode.
Using the volume rockers and power button, choose intsall zip update package
Choose zip from sdcard
Then navigate to where the .zip file is located
When you find it, click on it and choose yes
Then choose Go Back
Reboot System Now
Then you should see a screen that says at the top "ROM may flash stock recovery on boot. THIS CANNOT BE UNDONE.
(These next 2 steps are very important)
Choose "Yes - Disable revocery flash"
Then choose 'Yes - Fix Root"
The device will restart
After reboot, you will see an icon in your app tray called SUPER SU
Don't open it yet.
Open the Play Store and search Super SU
You should see that it is installed but needs an update.
Go ahead and click update.
When you open the app most likely you will get a message that says Binary needs updated. Choose yes.
For the next pop-up choose normal (This step can take a few mins)
After it is completed it will say "Samsung Knox has been detected" choose OK to disable
This step also can take some time if you are on the screen for more than 1-2 minutes close the app and uninstall from the play store and repeat these steps.
Now you should be rooted. You can check this by install an app called Root Checker Basic
I hope this helps everyone in getting rooted.
Anyway to..
Is there anyway I could use TWRP instead of CWM for the custom recovery in this process?? Thanks!
MeatHammer311 said:
Is there anyway I could use TWRP instead of CWM for the custom recovery in this process?? Thanks!
Click to expand...
Click to collapse
I havnt tested TWRP but I don't see why it wouldn't work.
Thanks vBIGLEWISv, worked like a charm.... I was actually scared to death fearing dreaded bricking my device... but it worked.. I can breath much better now.. Thanks buddy...
vBIGLEWISv said:
Ok first you need open Odin and plug your device into your PC. If the connection is successful then the box at the top left corner will turn light blue.
Put your device into download mode put hold volume down+home+power until a screen appears, then press volume up.
Click on the AP button and browse to the folder you placed CWM in and choose the file.
Make sure you dont change any settings in odin or check or uncheck any boxes, Click Start
Odin will do its thing and the phone will reboot.
After it passes the Samsung Galaxy Mega screen it is safe to unplug the device from the PC
Let the phone boot.
Click to expand...
Click to collapse
I've only done these steps and CWM isn't my recovery even though it says it passed,I'm still on stock recovery.
Do I continue with flashing SU?
I have the SCH-R960.
Any speedy replies most appreciated.
Anyone here tried to use this method to root the model SGH-I527M for Canadian version 4.4.2 yet ? Thanks
Someone reply fast if possible ... I have a person trying to sell me a us cellular mega ... Any Roms work with it ? Can straight talk work with it ? Asap answer will be appreciated.. Lady has 2 wanting to sell for 100 a piece .. I haven't had this device In a while so I see a good investment with this
Sent from my LG-E980 using XDA Free mobile app
lehuutai130 said:
Anyone here tried to use this method to root the model SGH-I527M for Canadian version 4.4.2 yet ? Thanks
Click to expand...
Click to collapse
i tried everything is fine but the SU cannot be updated since my phone wifi is not functional ...
Can't get it to work
I have tried this but to no avail, the update fails to verify every time even following the directions given to the T.
straight talk will not work with u s cellular phone. And there are no roms for the mega that I am aware of.
This method work with other galaxy mega 4.4.2 different carrier ?
Question this work for mega i527 4.4.2
I was told that for Galaxy Mega Sprint L600, root and SIM unlock is only possible if Android version is 4.2.2. Now my question is, does this method work for L600 that's on Android 4.4.2 too?

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