my phone is rooted and i want to install a custom recovery and rom, is there any quicker way to get the # without going thru steps 1-10?
[How-to] Guide to Rooting with software version LS670ZVC
- Thread starter drewwalton19216801
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Turn on your phone, make sure you aren't in a screen saver.
Type "su" in your "adb shell" session, look on your phone for a prompt asking for permission to grant root privileges. Allow root privileges by accepting that prompt.
You can't just force flash VC at this point because even though you have a V9 OS/Radio, you still have the VC Recovery partition, which will prevent you from rooting. Once you have restored the V9 Recovery partition as part of the Unroot procedure, you will have the pieces in place to update to VC using the LG Software Updater and be able to root.
From what I can tell, you have somehow gotten the VC recovery partition even though from your recollection you never installed the OTA VC update.
I would suggest you revert to V9 like you did before, but before you apply the VC update using the LG Software Updater, go through the Unroot thread so you can start fresh with V8, then restore the V9 Recovery partition, then upgrade to V9 using update.zip and eventually use LG Software Updater to update to VC.
Until you do that, it is unlikely you will be successful following the root instructions in the first post of this thread.
If your phone is rooted, then there is no point in going through the first post of this thread, as those are instructions to get rooted and you are already rooted.
To get the # prompt, turn on your phone, make sure you aren't in a screen saver, type "su" in your "adb shell" session, look for the prompt on the screen of the phone asking for root privileges and accept the prompt.
Rooted then disappears
So I've followed the steps on these threads to a T. I went back to stock ROM and stock recovery. Flashed from V8 > V9 > VC (using LG update tool). Going through ADB now and running terminal commands to root. I get through it all and have the # prompt after running 'rageagainstthecage'. Commands all work fine. I reboot using the 'reboot system now' on the stock LG recovery. My Android loads fine, but when I try to do an adb shell while Android is running, I'm back to the $ prompt. Likewise, I'll do an 'adb reboot recovery'. When i try to run adb shell at this point it gives me error message, but after using the 'update sdcard:update.zip' workaround to access filesystem using the v8-v9 update zip that zefie put out I'm able to run the process again, but upon entering the adb shell I have the '$' prompt and not the '#' prompt.
How do I get this to stick? Is there a known issue upon rebooting that you lose root? Is there command I need to issue to make sure I don't keep losing it? Wanted to flash custom recovery to put new ThunderROM on. Assuming I could do it at the # prompt, but afraid what will happen if root doesn't stick then I can revert back to stock to update. Any help would be greatly appreciated. Anyone else having this issue?
So I've followed the steps on these threads to a T. I went back to stock ROM and stock recovery. Flashed from V8 > V9 > VC (using LG update tool). Going through ADB now and running terminal commands to root. I get through it all and have the # prompt after running 'rageagainstthecage'. Commands all work fine. I reboot using the 'reboot system now' on the stock LG recovery. My Android loads fine, but when I try to do an adb shell while Android is running, I'm back to the $ prompt. Likewise, I'll do an 'adb reboot recovery'. When i try to run adb shell at this point it gives me error message, but after using the 'update sdcard:update.zip' workaround to access filesystem using the v8-v9 update zip that zefie put out I'm able to run the process again, but upon entering the adb shell I have the '$' prompt and not the '#' prompt.
How do I get this to stick? Is there a known issue upon rebooting that you lose root? Is there command I need to issue to make sure I don't keep losing it? Wanted to flash custom recovery to put new ThunderROM on. Assuming I could do it at the # prompt, but afraid what will happen if root doesn't stick then I can revert back to stock to update. Any help would be greatly appreciated. Anyone else having this issue?
In android you won't be root by default. This is to protect you doing bad things by accident. You need to request root permissions.
Turn on your phone and make sure you aren't in the screensaver.
Type "su" in your "adb shell" session to request root permissions.
On your phone screen, there will be a prompt asking you if you want to allow root privileges. Allow that to happen by accepting the prompt.
Turn on your phone and make sure you aren't in the screensaver.
Type "su" in your "adb shell" session to request root permissions.
On your phone screen, there will be a prompt asking you if you want to allow root privileges. Allow that to happen by accepting the prompt.
Awesome. That worked. Getting # prompt while Android OS running now. Must've been focused on my computer screen and not the phone, didn't see Superuser prompt come up before.
Regarding the other question though, is it ok to install custom recovery at this point? When I 'reboot recovery', i can't open my adb shell. Is that just an issue that LG stock recovery won't allow you to do it and it'll go away once I drop clockwork or another custom recovery in there?
Yes, you can install custom recovery. "adb shell" for most if not all custom recoveries should give you the "#" prompt by default without need to run anything special.
The stock recovery won't allow "adb shell" to work by default because it doesn't mount the /system partition. As a side effect of running the V8->V9 update.zip and having it fail, the /system partition gets mounted. That is why with the stock recovery partition, you need to install the V8->V9 update.zip everytime you reboot to get "adb shell" working.
Be aware that some custom recoveries are not compatible with "Privacy->Reset" and "##786#" reset from within android and could brick your phone. If you need to perform those resets, do it from the custom recovery menu.
Zefie's custom recovery doesn't suffer from that problem.
Guys,
I did all the steps and have succesfuly updated to software version VC. I downloaded the superuser app from the market and it crashes every time I open it. Then, desperate, I attempted z4root like I did for my first root pre VC and it also crashes. I feel as though the root did not successfully work even after I have done it three times with no errors. Any suggestions?
I did all the steps and have succesfuly updated to software version VC. I downloaded the superuser app from the market and it crashes every time I open it. Then, desperate, I attempted z4root like I did for my first root pre VC and it also crashes. I feel as though the root did not successfully work even after I have done it three times with no errors. Any suggestions?
Did you successfully install su and were you able to use su to obtain root (# prompt) in an adb shell session?
I just used the new LG Optimus Control Center and I rooted my phone and installed a custom recovery of my choice in less than five minutes. I can even make a nandroid backup of my stock and install lg stock recovery incase if stock gingerbread comes out any time soon. I can check it out and if not like it, return back, root, and install custom recovery in less than five minutes.
Great work everyone, every things moving froward.
how do i get the lg stock recovery? I was rooted with custom recovery and did the lg updater it unrooted my phone but left me with the custom recovery is there a fix?
Hard Way: Revert to V9, root V9, flash stock recovery, run LG Mobile update
Easy Way: Restore this nandroid dump.
Personally I recommend the hard way as it makes you learn more about ADB and the command prompt.
To get the stock recovery image: Look in the "customrecovery" folder which is inside the "LG Optimus S Control Center" folder in your Program Files. The stock recovery image is "v9recovery.img". Copy that to your sdcard, and follow the instructions on any of the Custom Recovery threads.
Huge thanks to everyone in this thread and people who wrote these guides. My (non-rooted) Optimus S spontaneously died and had the VC update that I applied with the LG Updater. My replacement phone had V9 and would not update using the LG Updater since it was a refurb. The steps in the guide worked perfectly and I was able to use the LG tool to force flash VC without a problem so I can root easier in the future
root w/o windows?
Am i correct in assuming that root on VC cannot be done w/o a windows computer (since the LG updater tools is a windows program)? So those of use using strictly OS X and linux are out of luck?
thank you.
Am i correct in assuming that root on VC cannot be done w/o a windows computer (since the LG updater tools is a windows program)? So those of use using strictly OS X and linux are out of luck?
thank you.
You are correct in assuming that it must be done via a Windows computer (at least all of the documented ways I've read required the LG tool). VirtualBox will not work, either. I use strictly Ubuntu Linux at home and my work Windows computer is locked down too much to use the LG tool. You are not correct in assuming that you are out of luck, though. Not everyone is as evolved as Linux users, so anyone who has friends, family, acquaintances, etc. has access to a Windows computer.
Unlike Virtualbox, VMware actually will work. Its a bit of a process but it can be done. Of course this still requires that you actually have a copy of Windows to install.
Best suggestion would be to find a friend or family member and use them for their Windows machine. And throw them a few beers for the inconvenience.
Hey All,
Thanks for responding. I'll stop banging my head against the wall and phone against my head.
Currently, i do not have access to a windows machine or a windows license (at work or at home). Perhaps i'll try to mooch of a friend in the future, for the moment i'll just use the stock phone.
i'll keep my fingers crossed for an alternative method for rooting. Has anyone figured out the difference from OTA update v. LGMobile update program?
in the mean time, i'll take some aspin. Cheers and thanks!
- bkn
Thanks for responding. I'll stop banging my head against the wall and phone against my head.
Currently, i do not have access to a windows machine or a windows license (at work or at home). Perhaps i'll try to mooch of a friend in the future, for the moment i'll just use the stock phone.
i'll keep my fingers crossed for an alternative method for rooting. Has anyone figured out the difference from OTA update v. LGMobile update program?
in the mean time, i'll take some aspin. Cheers and thanks!
- bkn
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