unrooting problems - G3 Q&A, Help & Troubleshooting

I was hoping someone was facing the same problem as me an was able to overcome it. I am trying to unroot my verizon lg g3 to return it in my 14 day window but cant seem to do it. I know when you connect it to the computer when you have it in download mode its suppose to say LGE Mobile USB Serial Port (COM) but all i can get mine to say is LGE android phone and above it are CDC serial and CDC ECM. NOw ive uninstalled these drivers and installed the LG3 ones but no matter what i do i cannot get it to work. ive also disabled signatures. so if anyone has knowledge could you please pass it along, thanks.

Hi i used supersu to unroot my d855 phone

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[Q] Problems Rooting SPH-L520 with Kies/Kingo

I would like to root my SPH-L520 so I can flash it to Boost Mobile as a replacement for my long-in-the-tooth TP2. To do this, I followed a guide I found on andromods.com entitled "How to root Sprint Galaxy S4 mini (SPH-L520) running latest software version from OTA" (sorry, I don't have the permissions needed to post the link). My first step was to establish a USB connection between my SPH-L520 and my PC (Windows 7). You use Kies for that, right? Well, Kies would recognize that there was a SPH-L520 connected, but it wouldn't actually connect to it. It just kept saying “connecting” for half an hour. So I shot-off a support request to Samsung asking for the appropriate drivers for my phone (none are listed on the webpage for the device) and Samsung said there aren't any drivers for the SPH-L520. Kies does connect my SPH-L520 and my PC via WiFi, though, so I thought I’d try to go ahead and run the Kingo rooting program. So I enabled Developer Mode (by tapping on “Build Number” several times) and enabled USB Debugging and ran Kingo. Kingo connected but saw my Samsung device as being in “Normal Mode” (I’m guessing it should have said “Developer Mode”?). I went ahead and clicked on the "ROOT" button and my phone failed to root. I tried it several times and it failed every time. Phone stats are below. Any suggestions would be greatly appreciated.
Model number: SPH-L520
Android version: 4.2.2
Baseband version: L520VPUAMK2
Kernel version: 3.4.0-2054908
Build number: JDQ39.L520VPUAMK2
Problems Rooting SPH-L520 with Kies/Kingo
Any suggestions out there on how I can root my SPH-L520?
Problems Rooting SPH-L520 with Kies/Kingo
Anybody?
Problems Rooting SPH-L520 with Kies/Kingo
bump
SPH-L520
I have the s4 mini lte for sprint and rooted the phone with Kingo and didn't have any problems at all. However, I can't find ANY custom roms that are compatible with it due to the phone being fairly new. So yea, I've been impatiently waiting for a custom rom to download. If anyone knows where I can find one that doesn't have a ton of bugs, please let me know. Thanks
Butch31918 said:
I have the s4 mini lte for sprint and rooted the phone with Kingo and didn't have any problems at all. However, I can't find ANY custom roms that are compatible with it due to the phone being fairly new. So yea, I've been impatiently waiting for a custom rom to download. If anyone knows where I can find one that doesn't have a ton of bugs, please let me know. Thanks
Click to expand...
Click to collapse
How did you connect your phone to your computer so you could run Kingo? Did you use Kies or another program? For me, the Kingo program may work fine, but I won't know until I can get Kies to connect.
Problems Rooting SPH-L520 with Kies/Kingo
It finally rooted on the umpteenth try. I believe I disconnected/closed Kies and then ran Kingo and it worked. Now to find a good, easy way to flash it to Boost. Any advice on that would be appreciated.
foncall said:
It finally rooted on the umpteenth try. I believe I disconnected/closed Kies and then ran Kingo and it worked. Now to find a good, easy way to flash it to Boost. Any advice on that would be appreciated.
Click to expand...
Click to collapse
I'd also be really interested in this as well. Well flashing it too anything. I've been searching for HOURS. and have tried to get the MSL with no luck in any shape or form.

[q] unroot without a computer?

So my LG G3 is messed and will not connect to my computer via USB. something is wrong with the port after it got fried while charging. I have the phone rooted and need to send it in for service. Is it possible to unroot and restore the phone to original condition without being able to connect it to a computer? I can get files onto it through LG suite via WIFI if need be.
Skottieswift said:
So my LG G3 is messed and will not connect to my computer via USB. something is wrong with the port after it got fried while charging. I have the phone rooted and need to send it in for service. Is it possible to unroot and restore the phone to original condition without being able to connect it to a computer? I can get files onto it through LG suite via WIFI if need be.
Click to expand...
Click to collapse
If you have SuperSU installed, it has a unroot function.
How about re-locking the bootloader and installing stock recovery.

[Q] How to root (or downgrade) NJ2 without USB connection?

I mistakenly allowed Sprint to update my phone. Towelroot was the solution to rooting without a USB connection before, but this new version is not supported.
Is there anything I can do? I assume Towelroot has no plans to update its S3 exploit, considering the age of the phone.
Thanks for any help.
(The USB port is completely destroyed - including the contacts on the PCB.)
lemminman said:
I mistakenly allowed Sprint to update my phone. Towelroot was the solution to rooting without a USB connection before, but this new version is not supported.
Is there anything I can do? I assume Towelroot has no plans to update its S3 exploit, considering the age of the phone.
Thanks for any help.
(The USB port is completely destroyed - including the contacts on the PCB.)
Click to expand...
Click to collapse
downgrade = brick....you need to fix your USB port in order to root

Need help rooting my lg g3 d855

Hi. So im having a hard time rooting my g3. Im currently running lolipop 5.0.1 and have been trying to root via qbking77 method with zero luck.
The gui version gives me a "could not open the port" error. I tried the script version, but it was missing the root bat file for some reason and it also failed. I even tried to do it manually and it would not even recognize my device. Please help if you know a work around or a better method.

Usb software troubleshooting.

Hello, I have a s6 sm-g920p sprint and it can't connected to pc any more, all its configuration in development options are activated, I was using a app, its names is sim_unlock_1 and I believe that I touched badly a configuration, I lose all my information and i blocked my phone, factory reset, it was free and rooted.
In this moment it is blocked, no root and i can't connected to no one PC for unlock of sprint or rooted it, I thought that the problem with usb debugging is a software trouble. I thought that I need rooting it and search de same apk and try to fix it, but How Can I root it without wire??, It is nougat and binary 4, if you can help me please. Thanks and sorry for my english

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