Is it possible to restore manufacture's OS on my phone? - LG Optimus G (International)

Hi
I have a LG E973. I installed Cyanogen Mod on it. Right now, it is giving me some problems. I would like to know if it is possible at all to install the Software OS that came with the phone which LG had it pre-installed when I bought the phone.?
I didn't do a back up when I put Cyanogen Mod on it because I didn't think I would need it. Is it still possible to revert to the OS version manufacturer originally put on your phone?
Please advise.
Thanks

Like I said on your other thread just install the KDZ for your country via LG PC Tools...

Related

flashing original rom LG GW620

Hi I flashed the custom 2.1 ROM, but since there's a lot of stuff that doesn't work. So I want to flash back to the original rom. But how do I do this. I can't find the original ROM to flash the phone.
I tried the tool from LG but it stops at 4% flashing and then it tells me that the connection has to be reinitiated. But it just keeps saying that.
Any Ideas would be gratefull
Greetz Jake
Totally agree, I need to restore the stock rom. I don't know why there is no category for LG GW620 too
cibinlik said:
Totally agree, I need to restore the stock rom. I don't know why there is no category for LG GW620 too
Click to expand...
Click to collapse
as i've understood the problem is that after upgrading to android 2.x we can't go back to our original firmware 1.5 and that is due to a conflict between the two baseband...anyway there is a rom that can allow us to come back to android 1.5 and it is called ToleRom0.8

[Q] Downgrading to KK ROM - Three UK

Hi,
First time poster, long time trawler... thanks for all your info over the years.
I have a specific question about downgrading to KK from L on my branded Three Mobile UK.
I had rooted on KK and was loving it, everything was working great.
Three kept pushing the OTA at me, but because of root it wouldn't take.
Borrowed a PC (I run mac for work) to run LG Suite and (back up first) fix upgrade errors to unroot to take OTA.
For some reason it bricked it...it just sat on Firmware update at 0% forEVER. Wouldn't boot past it or recognise the device anymore.
Had to use the Mobile Support tool to bring it back to life... although this resulted in an upgrade to 5 anyway.
I'm really not a fan of L. Won't go into details as to why it sucks, but I want to go back to KK and root, and then wait for L to get root options.
I've never flashed a ROM before, however there's a ton of resources here so I will give it a go.
I want to go back to the exact same ROM that came with the device which I THINK I have tracked down to - D85510g_00 via
http://forum.xda-developers.com/showpost.php?p=53606494
and
http://www.mylgphones.com/lg-g3-firmware-checking-the-software-version-and-update-history
Can anyone confirm that would be the right one... Is there any reason why I shouldn't use this ROM?
I want to go with what works, and not risk bricking it by installing an unbranded ROM in case they've used some sort of security measure that I'm unaware of... or am I just being a noob?
TL : DR
ON Lpop, want KK back... downgrade to D85510g_00.kdz for 3 UK (Hutchinson) branded ROM - Correct?
Fitz-Gibbon said:
Hi,
First time poster, long time trawler... thanks for all your info over the years.
I have a specific question about downgrading to KK from L on my branded Three Mobile UK.
I had rooted on KK and was loving it, everything was working great.
Three kept pushing the OTA at me, but because of root it wouldn't take.
Borrowed a PC (I run mac for work) to run LG Suite and (back up first) fix upgrade errors to unroot to take OTA.
For some reason it bricked it...it just sat on Firmware update at 0% forEVER. Wouldn't boot past it or recognise the device anymore.
Had to use the Mobile Support tool to bring it back to life... although this resulted in an upgrade to 5 anyway.
I'm really not a fan of L. Won't go into details as to why it sucks, but I want to go back to KK and root, and then wait for L to get root options.
I've never flashed a ROM before, however there's a ton of resources here so I will give it a go.
I want to go back to the exact same ROM that came with the device which I THINK I have tracked down to - D85510g_00 via
http://forum.xda-developers.com/showpost.php?p=53606494
and
http://www.mylgphones.com/lg-g3-firmware-checking-the-software-version-and-update-history
Can anyone confirm that would be the right one... Is there any reason why I shouldn't use this ROM?
I want to go with what works, and not risk bricking it by installing an unbranded ROM in case they've used some sort of security measure that I'm unaware of... or am I just being a noob?
TL : DR
ON Lpop, want KK back... downgrade to D85510g_00.kdz for 3 UK (Hutchinson) branded ROM - Correct?
Click to expand...
Click to collapse
as lang as you have an d855 it will not be bricked and the brand apps wikll be automatically reinstalled as soon as you hav an working internet connection
suljo94 said:
as lang as you have an d855 it will not be bricked and the brand apps wikll be automatically reinstalled as soon as you hav an working internet connection
Click to expand...
Click to collapse
Champion!
Thanks for your reply. Will borrow a PC again and give it a whirl tonight.
I have the KDZ file, USB drivers and LG Flash tool already downloaded... and intend on following this guide - http://forum.xda-developers.com/showthread.php?t=2785089
I have seen in the second method mentioned in that guide - TOTs and DLLs, could you confirm that these are different paths to the same goal? Either I need KDZ or I need TOT & DLL... but I don't need KDZ and TOT and DLL? Have I understood that correctly?
Fitz-Gibbon said:
Champion!
Thanks for your reply. Will borrow a PC again and give it a whirl tonight.
I have the KDZ file, USB drivers and LG Flash tool already downloaded... and intend on following this guide - http://forum.xda-developers.com/showthread.php?t=2785089
I have seen in the second method mentioned in that guide - TOTs and DLLs, could you confirm that these are different paths to the same goal? Either I need KDZ or I need TOT & DLL... but I don't need KDZ and TOT and DLL? Have I understood that correctly?
Click to expand...
Click to collapse
yep that sounds about right
All good.
Back on KK and rooted again.

LG G3 D852 downgrade from 6.0 to 5.0 Lollipop

I have been trying to root my LG G3 D852 on 6.0 mm, i have found that there is nothing out for that yet. I know know that have to downgrade and I have tried but since I'm on virgin mobile so the downgrade file I tried to use bricked my phone so i had to send it back to LG to get it fixed. Is there any other way to downgrade or root without bricking my phone again?
Thanks
Same problem...
lukasblock05 said:
I have been trying to root my LG G3 D852 on 6.0 mm, i have found that there is nothing out for that yet. I know know that have to downgrade and I have tried but since I'm on virgin mobile so the downgrade file I tried to use bricked my phone so i had to send it back to LG to get it fixed. Is there any other way to downgrade or root without bricking my phone again?
Thanks
Click to expand...
Click to collapse
Hmmm. I had the same problem as you did with my G3. Same model and everything. Tried to downgrade it using my computer. Can't remember what tool, but it said it completed successfully. When it went to reboot, it would stay on the LG logo for 15-30 seconds, before going to the broken android screen. After a few minutes, it would reboot. Could enter into the recovery menu from the broken android screen, but when I tried to bump the files or flash a rom, there was nowhere on the phone to store it. I think it removed the partitions during the flash, hence why it couldn't store the files. It's not that I didn't have permission, but it showed in the console that there was no directory to mount. Couldn't even charge the phone in the state it was in. Guess it relied on the OS to control the charging. I'll probably try to simulate the phone, with the stock OS, and see if I can find any exploits that could allow for a "safer" rooting method. Tell me if you find anything yourself!

Need help with my LG G4

Hello.
i have an LG G4 H815, and it have a defected motherboard, so i made a purchase for a motherboard, and install it, everything work fine, but i notice that my number keys have hebrew alphabet. and i find out that the motherboard was H815L, i was like ok at least the phone is working, but what made me angry is that when i try to do an android update it always tell me "your phone is not registered yet"
i'm on android 5.1 and i need to know how i can install custom rom or at least the last android for the phone.
any help on rooting or installing any rom is very appreciated.
thanks in advance.

Question

I recently bought a Samsung A300FU with android 6.0.1 wanted to download nougat, but it seems I cannot because my OS has been obtained in a different way, my phone says.
Is there a way that I can get the original version and update like a normal phone? can't root the device and it has knox installed on it also. I'm afraid that I'll do something wrong and that I won't be able to use my phone anymore. Anyone that could help me by any chance?

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