[G3 General] jac10000:
One Click ROOT+TWRP Recovery for Lollipop Stock Firmware ​

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I recommend you to use AutoRec For Lollipop 20H from [MENTION=3279781]bender_007[/MENTION]

[MENTION=2472758]ingoljosh[/MENTION] includes all version of autorec (D855, D852, D850, LS990 ...) in his post : Flash TWRP With AutoRec

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First use OneClic Script ( by [MENTION=2200907]avicohh[/MENTION] ) to root your G3

Then install and use AutoRec to install the recovery custom

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Only for D855​

Only Lollipop (not KitKat)

(16GB/2GB and 32GB/3GB variants)​

Use only this tuto in case of failure with the previous quoted method​

Credit

- [MENTION=2308854]6ril1[/MENTION] for all his advice and convinced me to publish this method here

- [MENTION=4008653]somboons[/MENTION] and his post for the LG G2 : [TOOLS] One Click ROOT+TWRP Recovery for Lollipop Stock Firmware

Somboons have modified One Root Script ROOT KitKat / Lollipop firmware that for One Click ROOT+TWRP D802 firmware 30a/30d and I have updated his work for the LG G3 D855

- [MENTION=2200907]avicohh[/MENTION] for his One click script

- [MENTION=1157052]thecubed[/MENTION] for Bumps!

- [MENTION=4911249]Unjustified Dev[/MENTION] for send_command and his New Root Method for LG Devices

- [MENTION=631273]Chainfire[/MENTION] for SuperSU

- G3 tuto on Frandroid

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Download Link for Lollipop 20H:

Mega LGG3-D855-OneClickRootRecoveryV1.1.zip

Box LGG3-D855-OneClickRootRecoveryV1.1.zip

Dropbox LGG3-D855-OneClickRootRecoveryV1.1.zip

md5 : 33c50a727eecc9402ae1551e818b9615

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NEW​

Download Link for Lollipop 20P:

Mega LGG3-D855-OneClickRootRecovery-V20P.zip

Dropbox LGG3-D855-OneClickRootRecovery-V20P.zip

md5 : a5f1776215dc6e9792e57efae400dcae

Download Link for Lollipop 20G:

Mega LGG3-D855-OneClickRootRecovery-V20G.zip

Dropbox LGG3-D855-OneClickRootRecovery-V20G.zip

md5 : 624a30b28037a6ed7023ea1f245c2aa8

[MENTION=2308854]6ril1[/MENTION] thank to him for the bump of the 20P and 20G boot :good:

20P and 20G --> If you are not root having applied this tool, copy UPDATE-SuperSU-v2.46.zip on your SDCARD , restart on recovery mode and flash UPDATE-SuperSU-v2.46.zip

For those who used the LGG3-D855-OneClickRootRecoveryV1.1.zip version (for 20H) on the firmware:

- 20P download this file : Kernel fixed by [MENTION=2308854]6ril1[/MENTION] (v20p) --> http://xdaforums.com/showpost.php?p=60770468&postcount=1019

- 20G download this file : Kernel fixed by [MENTION=2308854]6ril1[/MENTION] (v20G) --> http://xdaforums.com/showpost.php?p=60940277&postcount=220

And use Flashify or your custom recovery to install this boot

For more informations see here : http://xdaforums.com/showpost.php?p=60913483&postcount=23

Thank's [MENTION=4368076]black_horse_88[/MENTION]

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changelog:

http://xdaforums.com/showpost.php?p=59926518&postcount=91

older version:

Mega LGG3-D855-OneClickRootRecovery.zip

Box LGG3-D855-OneClickRootRecovery.zip

Dropbox LGG3-D855-OneClickRootRecovery.zip

md5 : 9f0dfaa556e33457163cb7d57ebc6b1d

(recovery includes in LGG3-D855-OneClickRootRecovery.zip file: TWRP 2.8.6.1 w. Splash Screens/Modem/F2FS)

Backup Data on SDCARD Before doing everything​

How to install

1 - Install LG drivers if they are not installed yet.

2 - Make sure you are enable USB Debuging Mode . (Go to Settings > General > About phone > Software information, tap Build number seven times and then go to Settings > Developer options and turn on Usb debugging)

3 - Connect your phone to pc on PTP mode

4 - Extract LGG3-D855-OneClickRootRecovery.zip and double click on the OneClick_ROOT_RECOVERY.bat file, to run the script.

5 - Follow the instructions.

If the phone not recognize, try to switch between MTP and PTP options.

Watch the screen of your smarphone you could see this popup asking you to access to the G3

Of course, accept

Your G3 reboot several times.

If you see this message , reboot the G3 manually into Download mode

6 - Enjoy ROOT+TWRP on Lollipop Firmware

7 - Verify if you are root, you have custom recovery and working Download Mode

Problems and solutions

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1 - [MENTION=4008653]somboons[/MENTION] describes the manual procedure on his original publication for the LgG2. If you have errors during the script you can try the manual procedure.

2- If you always have errors or blockings try this other manual method

1 - Apply this tuto : [GUIDE] New Root Method for LG Devices

2 - Then this one : http://xdaforums.com/showpost.php?p=59931455&postcount=104

3 - If your G3 don't boot on system but you can go on Recovery and Download Mode

Your boot is not correctly flash and we have to make it by line of commands

Tuto here : http://xdaforums.com/showpost.php?p=59962266&postcount=127