[Guide] How to Root+TWRP LG G3 (D855) V30n Firmware and Install Lineage OS

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Censto

Member
Jan 19, 2011
31
11
Tallinn
* YOUR WARRANTY IS NOW VOID.
* I AM NOT RESPONSIBLE FOR BRICKED DEVICES, DEAD SD CARDS,
* DO SOME RESEARCH IF YOU HAVE ANY CONCERNS ABOUT FEATURES INCLUDED IN THIS ROM
* BEFORE FLASHING IT! YOU ARE CHOOSING TO MAKE THESE MODIFICATIONS,


  1. You must switch off the device to start the process.
  2. Then press and hold the “Volume Up” and connect the USB cable from phone to PC.
  3. Use the original USB cable. Because, other device’s cable may not be detected in the Computer.
  4. Wait for the driver installation on PC.
  5. Then you will get the download mode screen in your phone.
  6. On PC start LG Flash Tool 2014
  7. Choose D85530B_00_1217.kdz press Normal Flash-start-ok.
  8. When it is compeleted, start your phone and install Kingroot V5 (get Root)
  9. Install AutoRec MM for TWRP, phoone will reboot to TWRP mode (make WIPE!), now you can choose and install Cyanogenmod.
  10. Install Gapps (ARM > 7.1 > pico)
  11. Reboot to System, all done!
  12. Have a nice Day ?
 
Last edited:

xGlacion

Member
Nov 28, 2016
46
25
Izmir
Hey man, why Normal Flash? I knew that we have to choose CSE..
THX!

Normal Flash will keep your data, no other difference than CSE.. Normal Flash is likely to give a lot of FC when you use the kdz you installed. Since the point of this post is to install LOS, it won't make any difference.



BTW: You might need V21C modem and MR_Bump while installing LOS
 
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hanset

Senior Member
Mar 5, 2014
90
18
Torino
Normal Flash will keep your data, no other difference than CSE.. Normal Flash is likely to give a lot of FC when you use the kdz you installed. Since the point of this post is to install LOS, it won't make any difference.



BTW: You might need V21C modem and MR_Bump while installing LOS

"Normal Flash is likely to give a lot of FC when you use the kdz you installed" sorry man I didn't understand this part..

However, I'm using LOS now, I installed 21c modem and mr.bump :eek: :)
 

Censto

Member
Jan 19, 2011
31
11
Tallinn
thanks for your guide :) could be more detailled tho ;)

There was video instruction on youtube, unfortunately Google decided that I deceive users and introduce confusion. And coz i posted guides im big YT spammer :laugh:
So YT channel closed.
However Video still can be watched on my site with files for download and same instruction.
 
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ploca14

Member
Nov 5, 2017
14
2
Wipe?

Will it wipe all my data when i downgrade with LG Flash Tool using the Normal Flash?
I read that if i use normal flash for downgrading it will brick my phone. Is that true?
I have stock android.
 
Last edited:

mike99

Senior Member
Aug 23, 2008
87
1
I have d850 6.0 stock unrooted runs on Tmo.

I want to flash lineage OS.
Will this unlock method work for me? ATT phones have locked bootloader.
If I choose Lineage OS for D850, will I be able to run on Tmo?
Heard bad things about king root. Any chance of fully getting rid of it or using any other method to flush custom ROM on unrooted phone? I think ATT is also locked bootloader.

Thanks
 

Kr3Ep

Senior Member
Nov 9, 2016
51
6
Can someone tell me what the hacer premissivo zip is good for? I am running RR 6.0 and I did not flash it when rooting and it runs fine.
 

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    * YOUR WARRANTY IS NOW VOID.
    * I AM NOT RESPONSIBLE FOR BRICKED DEVICES, DEAD SD CARDS,
    * DO SOME RESEARCH IF YOU HAVE ANY CONCERNS ABOUT FEATURES INCLUDED IN THIS ROM
    * BEFORE FLASHING IT! YOU ARE CHOOSING TO MAKE THESE MODIFICATIONS,


    1. You must switch off the device to start the process.
    2. Then press and hold the “Volume Up” and connect the USB cable from phone to PC.
    3. Use the original USB cable. Because, other device’s cable may not be detected in the Computer.
    4. Wait for the driver installation on PC.
    5. Then you will get the download mode screen in your phone.
    6. On PC start LG Flash Tool 2014
    7. Choose D85530B_00_1217.kdz press Normal Flash-start-ok.
    8. When it is compeleted, start your phone and install Kingroot V5 (get Root)
    9. Install AutoRec MM for TWRP, phoone will reboot to TWRP mode (make WIPE!), now you can choose and install Cyanogenmod.
    10. Install Gapps (ARM > 7.1 > pico)
    11. Reboot to System, all done!
    12. Have a nice Day ?
    1
    Hi, thanks for sharing this info
    1
    Hey man, why Normal Flash? I knew that we have to choose CSE..
    THX!

    Normal Flash will keep your data, no other difference than CSE.. Normal Flash is likely to give a lot of FC when you use the kdz you installed. Since the point of this post is to install LOS, it won't make any difference.



    BTW: You might need V21C modem and MR_Bump while installing LOS
    1
    thanks for your guide :) could be more detailled tho ;)
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