help with basic rooting and flashing roms - Galaxy S II Q&A, Help & Troubleshooting

hello all
i have a gs2 i9100
i rooted it folowing this guide short way (update from recovery)
http://forum.xda-developers.com/showthread.php?t=1994544
it installs cwm recovery 4.0.1.5 and supersu.
i tried installing a cm10.1 nightly version for my model,it allways abort with staus 7.
i tried different nightly version,no success.
then i folowed the official cm guide:
http://wiki.cyanogenmod.org/w/Install_CM_for_i9100
i flashed the zimage for cwm recovery via heimdall on linux,it went well then i booted into recovery to check and success.
i didnt want to flash cm at that point (middle of the day) so i rebooted the device and problem:
i could see the samssung boot logo with the yello triangle and then the screen goes black and..nothing.
for now i restored via recovery a backup i made on the older 4.0.1.5 recovery.
i also tried looking for a kernel that matches mine - jhls4 and couldnt find one nor a solution that solved the stsus 7 error.
what could be the problem?

That thread is so old now. More phone details. Firmware you have installed or had installed before you flashed cm? Model of i9100?

Phone model is gt-i9100
Im on stock tw jb 4.1.2
Never installed any other firmware just updated the official with kies.
I rooted it from the stock recovery-installed super user and recovery as update.
The rest is in my first post.
Appriciate your help.
Sent from my GT-I9100 using xda app-developers app

Flash it with philz kernel for root and custom kernel cwm recovery that will let you do anything. Philz is the easy way to root and install cwm to your i9100.
When that's install do the wipes and reboot.

Thanx for your reply
Q: any phils kernel or one that matches mine- jhls2?
2nd Q: can i flash the kenel via recovery ? Or just heimdall?
And if i flash a kernel do i have to flash a rom immedietly or can i still use the stock rom?
Total noob at this.
Sent from my GT-I9100 using xda app-developers app

Flash lss or lsw philz as its just the cwm that's updated in dif versions and yes this will work on your stock 4.1.2 no point in telling you to flash something that won't work on the ROM you have now then if you want to flash custom ROM you can do this from there. Either way is possible with philz . tar for Odin/hem and singed zip for stock recovery:thumbup: reading is the key to flashing well.

Thanx again
I read a lot and got a little confused.
Will do what u suggested.
Hope ill get it right this time.
Cheers.
Sent from my GT-I9100 using xda app-developers app

Share with us what you don't get.
Sent from the little guy

Thanx a lot andrewwright
Just flashed and its working.
I will go ahead and flash a rom later tonight.
Gastonw, i will share if i will get ito trouble again, thank u 2.
Sent from my GT-I9100 using xda app-developers app

No problem :thumbup:

Related

unable to change recovery

hi,
I have a orange samsung galaxy s2. I upgraded the ROM to 2.3.6 and rooted it via Odin.
I want to install a custom rom in the device but the problem is
the recovery menu is still the stock one. I cant seem to change the recovery. I tried upgrading it via ROM Manager but no gain.
Please Help
rom manager can't flash cwm to your phone, did you flash CF-root with odin? if you didn't then flash it and you should have cwm
Sent from my sgs2 running cm9 using xda app
Makrilli said:
rom manager can't flash cwm to your phone, did you flash CF-root with odin? if you didn't then flash it and you should have cwm
Sent from my sgs2 running cm9 using xda app
Click to expand...
Click to collapse
Hi,
Thanks for the unbelievably fast reply. Yes i did add CF-Root-SGS2_XW_OXA_KK5-v5.0-CWM5 as a PDA option in Odin. I followed this guide http://androidadvices.com/root-samsung-galaxy-s2-gt-i9100-xwkk5-gingerbread-236-firmware/
should i do it again?
Makrilli said:
rom manager can't flash cwm to your phone, did you flash CF-root with odin? if you didn't then flash it and you should have cwm
Sent from my sgs2 running cm9 using xda app
Click to expand...
Click to collapse
Hi,
Problem solved. I flashed the CF-root and tried the 3 button combo to go into the recovery but no gain.
What made it work was that i started the CWM app and went into the recovery from there. That made it work for the 3 button combo as well.

Nandroid Backup for 16gb model

Hey all
We were trying to flash stock rom on a friends i9100 mobile and stupidly we selected .pit file (yeah I know stupid ,,,,,) It was a mistake and now when we try to flash a rom, odin gets stuck at factory_fs.img. We have checked for brick sectors but everything seems fine.
By flashing a kernel we can boot into recovery, that is possible we have done this. if anyone can plz provide a nandroid backup for this mobile we can restore from that backup. I think that this will work. So please if anyone can help us plz
Regards
Bilal
Flash a custom kernel such as siyah or Dorimanx, boot in recovery, flash custom rom through recovery. Job done
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imlgl said:
Flash a custom kernel such as siyah or Dorimanx, boot in recovery, flash custom rom through recovery. Job done
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
Thanks for you reply. I tried to help him flash Chameleon but it is not working. Any ROM that you would like to recommend, please ??
Maybe I am wrong but when we flashed earlier with the pit file, doesn't it mess up the partition ?? if that is the case will your method work ?? because all customs roms say ( if you are coming form this rom do this, coming from this rom do this and his mobile has nothing)
Thanks
solved, we flashed Resurrection rom and it worked then we flashed a stock rom.

Stock rom backup failed !!!!

Guys need ur help,i hav rooted my phone an flashed philz cwm touch recovery wen i try to backup my stock rom everything going smoth backing up boot img backing up recovery img thn system data:thumbup: at last an error occured:banghead: tht failed to backup data img. I cant able backup my stock. I want to flash a custom rom for tht i need nandroid backup without this i cant go ahead to flash custom. waiting for reply pls help
Thanks in advance
Sent from my GT-I9100 using Tapatalk 2
what rom are you currently running ?
What method did you use ?
With these details we are able to provide help as your first post lacks this information.
Im using stock rom ics 4.0.3
Method is insecure kernel flashed via odin + samsung root
Aft tht philz cwm touch recovery zip file updated on stock recovery
Sent from my GT-I9100 using Tapatalk 2
Try another kernel (siyah, dream, etc)
hussy22 said:
Im using stock rom ics 4.0.3
Method is insecure kernel flashed via odin + samsung root
Aft tht philz cwm touch recovery zip file updated on stock recovery
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
In philz change the back up method to .tar and instead of .dup
go to -recovery-backup and restore-choose back up method - tar.
there have been some reported problems with .dup method.
then try making making a back up again, it should work.
Dude ur absolutely rite man.finally it works thank u soooo... Much for ur help
Sent from my GT-I9100 using Tapatalk 2

flashing a stock rom with odin on custom rom with dorimanx

Hi,
I downloaded a stock rom from sammobile ( I9100XWLQ2_I9100XXLQ6_I9100PROLP4_HOME.tar.md5 )
I am pretty sure this is the right one because this has already worked once.
But now my phone hangs during startup. I wait really lot (10 mins) but still it hangs, even I always see the animation of 'S'
I flashed again a custom rom now, but i want a stock rom back. How can i flash?
thanks
You must perform a factory reset from the recovery. Either do it from the custom rom, then flash stock ROM, or flash stock rom, boot into recovery and then wipe /data. Order doesn't matter.
Sent from my GT-I9100 using Tapatalk 2
After you flash the stock rom go back into download and flash v4 of Siyah kernel (.tar) , then boot into recovery and do wipe/factory reset.
It is not necessary to install a new kernel, just factory reset from stock recovery
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dr_spider said:
It is not necessary to install a new kernel, just factory reset from stock recovery
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
I didnt say it was necessary, I just advised it since Siyah kernel is better then stock anyway for many reasons and since he's into trying new roms its much better to have custom kernel/recovery. Plus the fact that if user was to try flashing a 4.0.3 rom then wipe in stock recovery he would brick his device.
Not sure about brick, AFAIK brick occurs with 4.0.4. Anyway I would prefer more stock-ish kernel like CFroot.
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dr_spider said:
Not sure about brick, AFAIK brick occurs with 4.0.4. Anyway I would prefer more stock-ish kernel like CFroot.
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
If you thought that, why on earth would you advise him to wipe in stock recovery???? The rom he is trying to flash is 4.0.4
Guess I wasn't reading thoroughly .. I take mt words back.
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If u r on stock 4.0.4 first change your kernel then try to factory reset.. Everything will be fine... Dont do factory reset on cmw on stock kernel...
Sent from my GT-I9100 using xda premium
Okay, thanks for all the replies. When I flash stock kernel, will clockworkmod be erased? I am just asking.. I know I can easily flash it back
ozkanb said:
Okay, thanks for all the replies. When I flash stock kernel, will clockworkmod be erased? I am just asking.. I know I can easily flash it back
Click to expand...
Click to collapse
Do you mean flash "stock rom"? Yes if you flash stock rom you will lose cwm and only hav stock recovery.
Once you have flashed your stock rom you should then immediately flash your custom kernel (Like Siyah). Once flashed reboot into recovery (cwm) and wipe data/factory reset.
ozkanb said:
Okay, thanks for all the replies. When I flash stock kernel, will clockworkmod be erased? I am just asking.. I know I can easily flash it back
Click to expand...
Click to collapse
When flashing a stock ROM (include kernel of course) it overwrite the exists kernel.
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When you will flash stock rom over custom rom everything will be erased if android version is different if same then you will face problems has phone will not work properly you have to factory reset it first install different kernel use philz it will root your phone directly and installs cmw then factory reset it from cmw.
You can also reset your phone from settings but in between you will face errors this that not working etc. use 1st method your phone will not have brick bug issue.
And for giving thanks use thank button
Sent from my GT-I9100 using xda premium
Is it also possible to flash dorimanx after flashing stock rom?

Getting back 4.1.2

Hi to all,
I am newbee to android. After using HTC One V for few months I purchased Samsung Galaxy S2 GT-I9100 from UAE. It was running Jellybean 4.1.2 having Modem XXLS8. On a fine day for the requirement of built in call recording I rooted my phone and managed to install Omega Rom V23.
All went smooth. But next day I realised that Hindi fonts are not properly displaying and I made a big mistake to flash Omega Rom again. This time I stucked in BootLoop . Everything tried. Finally I gave up
I thought flashing back may work so I flashed available stock Gingerbird rom via odin. Now system is back running Stock Gingerbird Android with modem XXKI4. Then I tried to update GB to JB via OTA and Kies, But OTA and kies refused to update software.
Please give me any solution to get back my 4.1.2 version or tell me any idea to get Custom Rom Omega V23. Will it safe to flash Omega V23 4.1.2 directly on current 2.3.6 rom with Philz latest kernels?
Sent from my GT-I9100 using xda app-developers app
Yes you can, you're gonna have to root it tho.
Sent from my GT-I9100 using xda app-developers app
Thanks. Can I root present 2.3.6 Gingerbird and Install Custom Rom Omega v23 4.1.2 directly? Or I have to reinstall stock version 4.1.2 over current 2.3.6 Gingerbird?
Sent from my GT-I9100 using xda app-developers app
Well, the latest CMW version might be better, is not mandatory to go 4.1.2 tho.
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gastonw said:
Well, the latest CMW version might be better, is not mandatory to go 4.1.2 tho.
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
I am not getting it. Please spoon feed me. I will be in debt.
I tried following steps:
I download Omega V23 custom rom and kernel - PhilZ-cwm6-XWLSN-OXX-4.93.6-signed and placed it on SDCard. After going into stock recovery I applied Philz Kernel via Stock Recovery. But getting error in red-
E:Failed to verify whole file signature
E:Signature verification failed
Please give me any solution. I dont have enough previlage to post into Android Development Forum as I am newbee here.
Sent from my GT-I9100 using xda app-developers app
dg081081 said:
Hi to all,
I am newbee to android. After using HTC One V for few months I purchased Samsung Galaxy S2 GT-I9100 from UAE. It was running Jellybean 4.1.2 having Modem XXLS8. On a fine day for the requirement of built in call recording I rooted my phone and managed to install Omega Rom V23.
All went smooth. But next day I realised that Hindi fonts are not properly displaying and I made a big mistake to flash Omega Rom again. This time I stucked in BootLoop . Everything tried. Finally I gave up
I thought flashing back may work so I flashed available stock Gingerbird rom via odin. Now system is back running Stock Gingerbird Android with modem XXKI4. Then I tried to update GB to JB via OTA and Kies, But OTA and kies refused to update software.
Please give me any solution to get back my 4.1.2 version or tell me any idea to get Custom Rom Omega V23. Will it safe to flash Omega V23 4.1.2 directly on current 2.3.6 rom with Philz latest kernels?
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
I guess you did not make backup of your original ROM... i would recommend that you install ics first before installing jb or custom jb roms... you can get stock ones samfilmware.. when try installing omega ROM again make sure you back your ROM this time so will not start all over again if a problem occurs at any time had same problem bootloop because of the kernel that was installed just did a full wipe fixed it for me and reinstall over again
slimlo said:
I guess you did not make backup of your original ROM... i would recommend that you install ics first before installing jb or custom jb roms... you can get stock ones samfilmware.. when try installing omega ROM again make sure you back your ROM this time so will not start all over again if a problem occurs at any time had same problem bootloop because of the kernel that was installed just did a full wipe fixed it for me and reinstall over again
Click to expand...
Click to collapse
Yepp..You are not getting it. System is running GingerBread with Stock Recovery. I can make backup in CWM recovery only. But right now my problem is that Philz Kernel is not installing. It will give me CWM Recovery and it will root the device. Any solution for above error??
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philz does not work on gingerbread ------------->>>> Philz
slimlo said:
philz does not work on gingerbread ------------->>>> Philz
Click to expand...
Click to collapse
Then I have to flash stock 4.1.2 firmware via Odin Am I right?
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