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[Q] z4root not working after downgrade from 2.2.1 to 2.2 on lg optimus one

Hi,
I just downgraded optimus one from 2.2.1 to 2.2 using KDZ_FW_UPD. When I check "About Phone" I see the version to be 2.2 and software version v10b. When I try to root using z4root or superoneclick (using psneuter), both of them get stuck and dont complete. Could anyone help me out in rooting LG optimus one?
Thanks

z4root only work for android 2.1 (eclair). To root your phone take a look at here

friend how you downgrade your lg phone in KDZ please teach me thanks

Please,please give me your help about v21b

Hello all,
I do a mistake when I upgrade my 3D optimus from 10K to V21B , so I don't have the information that the V21B is not ROOTED YET , so I want to downgrade ,or flash with another firmware can be rooted,
so it's possible to downgrade to the other firmware with this firmware V21B not rooted? I hope it's can be done?
many many Thanks for your help

unixman77 said:
Hello all,
I do a mistake when I upgrade my 3D optimus from 10K to V21B , so I don't have the information that the V21B is not ROOTED YET , so I want to downgrade ,or flash with another firmware can be rooted,
so it's possible to downgrade to the other firmware with this firmware V21B not rooted? I hope it's can be done?
many many Thanks for your help
Click to expand...
Click to collapse
Just follow this guide:
http://forum.xda-developers.com/showthread.php?t=1287236
it can be done I have done it many times going from froyo to Ginger bread and vice versa.
good luck

[Q] Problem while rooting Lg Optimus S with gingerbread 2.3.3 zvj

Hi, well i know there is no forum for the Lg Optimus S, that's why i'm asking here, i have a problem while rooting my lg optimus s ls670zvj, i think there is no metod to root, but i need help rooting my phone, y had froyo 2.2.2 zvd but i updated to android gingerbread 2.3.3 zvj, i don't had root with froyo, so i don't know if someone can helpme 'cause i need my phone rooted, and i know XDA - DEVELOPERS is the best forum for android phones, so i'm here asking how to root my lg optimus s, the baseband version is LS670MVJ_6150 and the SW Version is LS670ZVJ, please, please help if someone know hot to root it, i tried with gingerbreak, universal root, z4root, unlock root, and others, please help! and Thanks !

Try Poot. http://androidforums.com/elite-all-things-root/612914-optimus-elite-root-apk.html Its working on several similar devices with stock 2.3.XX firmware.

[Q] LG-D950G 4.4.2 Upgrade

This is my first post so my humble apologies for the lack of forum prowess. I have an unlocked ATT LG D950G to T-Mobile running a LG Flashed Stock 4.2.2 D950G10a version. It's rooted with Towelroot1. I have looked everywhere on pretty much all of the threads for either the .dll/.tot files for an LG Flash procedure or another procedure to force the update to 4.4.2. Has anyone successfully upgraded this phone from 4.2.2 to 4.4.2 and if they have do they have the process in which they did it? Thank you for any help you can give.

[Completed] Samsung Galaxy A3 Help Downgrade 5.0.2 to 4.4.4

Hi all... i have a problem with my Galaxy A3 (SM-A300FU) Let me explane and i hope you can help me:
Few months ago i decided to root my SM-A300FU running android 4.4.4 and all worked so i enjoyed my rooted device with no problems...
Then i decided to update my phone to lollipop just to see how it works but when i tried to root lollipop (using cf auto root for a300fu but for 4.4.4 bec for 5.0.2 it doesn't exist) it started the first time but when i rebooted my phone it stopped working, i mean it's stuck on samsung screen, or worst stuck on a strange yellow "sand screen"... so i reinstalled lollipop normally and started to use it without root waiting for a cf auto root for 5.0.2... some days ago i thought that i could downgrade to 4.4.4 and be able to re root my device so i downloaded stock firmware for my a3 from sammobile.com
but when i tried to flash it (always with odin running administrator) it just stuck at samsung loading screen
I can reflash lollipop and all restart working but i can't root 5.0.2 so i want to downgrade to stock 4.4.4 and i can't!
I'm getting crazy on it trying to flash it tons of times but it don't wanna work... I hope you can help me downgrading this phone!
PS: model code: SM-A300FU build version: LRX22G.A300FUXXU1BOEC

Hello and thank you for using Assist.
These guys RIGHT HERE have managed to root your phone on lollipop, you might want to check out this thread
Good luck!

rirozizo said:
Hello and thank you for using Assist.
These guys RIGHT HERE have managed to root your phone on lollipop, you might want to check out this thread
Good luck!
Click to expand...
Click to collapse
Thanks a lot for reply and I'll obviously try that method but if it's possible i would like to be linked to a post that explanes how to downgrade my a300fu 5.0.2 to 4.4.4 or just explane me how to do it without bricking it as it results when i try to do it now with my "method".

xLukEZ said:
Thanks a lot for reply and I'll obviously try that method but if it's possible i would like to be linked to a post that explanes how to downgrade my a300fu 5.0.2 to 4.4.4 or just explane me how to do it without bricking it as it results when i try to do it now with my "method".
Click to expand...
Click to collapse
well is there a reason to downgrade to 4.4.4 now that you can get root on 5.0.2?
Anyway if you still want to downgrade, head over to Android's Q&A Section since there's no dedicated forum for your device, and ask your question there
I hooe I have helped you!
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