Root [ROM] ZV4 updated stock ROM

sp33chy · Sep 28, 2014

bg4m3r said:
You're talking about download mode. I'm taking about recovery. Power + Vol-

You can also factory reset from there... That might fix it... But you'll lose all user data. Superuser should stay since it's a system app.

Whoops, I started associating download mode with recovery since that's how I booted CWM. No-go, however ):

donjuro · Sep 28, 2014

smk75 said:
For those having issues updating prl/profile did you delete either of these files?

lgdmsclient.apk
lgupdatecenter.apk

I deleted those and lost the ability to update prl/profile. The first one is under /system/app and the other one is under /system/priv-app

I don't have either of those. Could someone upload them?

Sands207 · Sep 28, 2014

spunky168 said:
First of all, a big thank you to donjuro and danhalen1. I was wondering why when I try to fastboot the cwma1.img file that it kept saying "cannot load 'cwma1.img': No error" even though I had the file in my sdcard and external sd card. Then I realized that I had to put the file on my laptop onto my "Minimal ADB and Fastboot" folder in my Program Files (x86) directory (I did not create a separate folder like Sands207 did in the c: drive). That solved everything.

Big thank you to danhalen1 who guided me to his posts (when I was in my inattentive state) and his ongoing development hopefully into a permanent CWM recovery for the LG Volt. I am still stumped as to why the LG Volt still does not have its own dedicated thread in XDA.

Spunky168
"The Original Taepo Dong"
Rooted VM LG Volt ZV4

I put the cwma1.img file in my adb and fastboot folder in my user folder & created a dedicated folder because the how to i read on Xda suggested it to be tbe easiest method and it did help since i was confused early on. Thanks for pointing out that i didn't help at all. Good luck on the volt development guys. I appreciate the people that helped me here too, couldn't have done this without ya

smk75 · Sep 28, 2014

donjuro said:
I don't have either of those. Could someone upload them?

Look in the rom zip file it is in there, if you still can't find it I'll upload it.

spunky168 · Sep 28, 2014

Sands207 said:
I put the cwma1.img file in my adb and fastboot folder in my user folder & created a dedicated folder because the how to i read on Xda suggested it to be tbe easiest method and it did help since i was confused early on. Thanks for pointing out that i didn't help at all. Good luck on the volt development guys. I appreciate the people that helped me here too, couldn't have done this without ya

Of course, how could I not thank you, Sands207!!!!!!!

Sands207 · Sep 28, 2014

I baking something really cool right now, i hope you guys will like it its high voltage

smk75 · Sep 28, 2014

Sands207 said:
I flashed the radio file the other night and it didn't break root for me either, but the radio number stayed the same. My 4g and 3g seem to be working okay so im not overly worried about it.

Did you wipe /cache after you flashed the radio?

bg4m3r · Sep 28, 2014

bg4m3r said:
I'm going to try flashing just the modem and rpm and see what happens.

So I couldn't find a way to extract anything from the radio.img, and after looking through the manifest, I realized that there was a whole lot more in there, so I went ahead and flashed the zip, along with a new SuperSU 2.02 zip, then cleared the cache and dalvik through cwm before powering off, then cleared the cache again in stock recovery before rebooting (yes, I'm thorough

). Baseband is updated to c8, Superuser is intact, and I didn't have to reactivate the phone. LTE & Spark were functioning at boot.

smk75 · Sep 29, 2014

donjuro said:
I don't have either of those. Could someone upload them?

After messing around with this a bit you only need the lgupdatecenter.apk and when you put it back you have to run it again to install it again, and it will prompt you to install the update since it thinks it's installed already, just click yes to install it.

Garner 27529 · Sep 29, 2014

do i need to rename the cwm file? fast boot isnt detecting anything....just sits and does nothing.i have files in all directories,just to be sure...anyone else?

danhalen1 · Sep 29, 2014

Garner 27529 said:
do i need to rename the cwm file? fast boot isnt detecting anything....just sits and does nothing.i have files in all directories,just to be sure...anyone else?

No need to rename it. cwm needs to be on your computer, not the phone.

Garner 27529 · Sep 29, 2014

i think its a driver issue???file is in fastboot /adb locat

smk75 · Sep 29, 2014

I could be wrong but I think that's not fastboot. You have to backup the laf partition then wipe it, then you will get to fastboot screen.

donjuro · Sep 29, 2014

Yea, he's still in download mode. He has to nuke his laf partition.

justins97integra · Sep 29, 2014

im so lost is there anyone who can give me a noob guide of how to do this please

donjuro · Sep 29, 2014

justins97integra said:
im so lost is there anyone who can give me a noob guide of how to do this please

donjuro said:
http://androidforums.com/showthread.php?p=6660832
To boot up cwm, you'll need to expose fastboot. To do this, download terminal emulator and grant superuser permissions.
Back up your laf partition:
dd if=/dev/block/platform/msm_sdcc.1/by-name/laf of=/sdcard/laf.img
Nuke your laf partition:
dd if=/dev/zero of=/dev/block/platform/msm_sdcc.1/by-name/laf
When that is done, turn off your phone, and when completely off, hold the vol+ button and plug it in to your computer. After fastboot loads up you can let go of vol+.
http://androidforums.com/showthread.php?p=6668157
Now you can boot into cwm:
Fastboot boot cwma1.img

http://androidforums.com/showthread.php?p=6660832
Please read the whole post. Don't just skim through.

justins97integra · Sep 29, 2014

i still have no clue man

donjuro · Sep 30, 2014

Are you already rooted and do you have terminal emulator installed?

justins97integra · Sep 30, 2014

yes sorry for being such i noob

donjuro · Sep 30, 2014

OK, in terminal emulator you're going to type "su" and hit enter, then enter the commands in the above post.

BackHandLegend · Sep 30, 2014

Had to reinstall windows 7 on my computer just to get rid of the update notification from V3. Worth.

zachary80 · Sep 30, 2014

So I was rooted, then took the update and the phone seems to work better all around now. What do I need to do before following the guide in the first post? Will I need the radio update?

Bad_MOFO_33 · Sep 30, 2014

Without zeroing out Laf partition

1-Download and install rom installer...
2-Save this fastboot img to sd card ( https://drive.google.com/file/d/0BzsQwTUZjTO5eHVPRDRiNXBpSzQ/view?usp=sharing )..its really just a trwp recovery that doesnt work on the Volt...
3-Using Rom Installer, make a backup of your recovery...
4-Now in Rom Installer, flash the fastboot img to recovery partition...
5-Reboot to recovery...Should give error but fastboot should be working

If you want recovery back just boot into phone and reflash your backup you made back to recovery partition using Rom Installer.

bg4m3r · Sep 30, 2014

Just wanted to point out that I seem to be getting better indoor reception since updating the radio. Not sure about travel coverage yet.

marley420 · Sep 30, 2014

So i got everything working great, thanks. I only had one problem. After flashing the rom and radio i didnt select yes to fix a maybe broken root. After booting up i had no root but i took a chance with Towelroot again and it worked!!! So now i have ZV4 software and c8 baseband with root! Thank you so much for this!

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