[STOCK] H815 20B Images + KDZ + Flashables (system+boot+modem+bootloader)

autoprime

Recognized Developer / Inactive Recognized Contrib
Jun 23, 2010
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These are for the H815 variant only. Files are from software version 20B (Android 6.0 Marshmallow).
Included below: TWRP-flashable stock rom, boot, modem and bootloader zips. KDZ and individual images are also included.

*There is NO anti-rollback qfuse used in this update... you can downgrade using LGUP HERE. You can also use LGUP to flash the 20B KDZ.

Please do not mirror my files!


20B NOTES...
1. Knock code should be back.
2. Not sure what else has changed yet...


Requirements:
You must have TWRP 2.8.7+ installed to use these files. Thanks to Dees_Troy as always for that. And, of course, you must have your bootloader unlocked for TWRP to work. Currently only H815 EU and (some) SEA variants have official unlock through LG's unlock page HERE. Please do not ask if "model x" is supported... did you unlock via LG's official unlock tool? Yes? then you can use it. No? then you can't... and you should just flash the KDZ instead.

If you have a locked bootloader and want to upgrade... just use LGUP and flash the KDZ. Don't risk it with FlashFire.

Install Directions:
These directions should be used by everyone who wants a rooted 20B system. Don't want root? Then it's probably easiest to just flash the stock KDZ... or just skip the supersu zip in the directions below.

1. Download the boot, modem, bootloader and system zips listed under the download section and place them on internal or external sdcard.
2. Also download the latest SuperSu zip from HERE [Thanks to Chainfire for his auto-patching boot.img version!]
3. (re)Boot into TWRP... don't wipe anything.
4. Backup current partitions: boot, system, data, efs
5. Install boot, bootloader, modem, system and supersu zips- ADD SUPERSU LAST! (Install > select zip > press "add more zips" > select next zip > repeat)
6. After all 5 zips finish flashing you can reboot! (if TWRP asks if you want to install SU, NO!!!)

Downloads:
LG-H81520B-Flashable.System.zip
100% stock untouched system. MD5 = 22edce52ca96e20f7a16a67d00934b4d
Mirror here.

LG-H81520B-Flashable.Modem.zip
This is a flashable stock 20B modem.

LG-H81520B-Flashable.Boot.zip
This is a flashable stock 20B boot.img. Boot.img contains kernel + dtb + ramdisk.

LG-H81520B-Flashable.Bootloader.zip
This is a flashable stock 20B bootloader. It contains aboot, factory, hyp, laf, pmic, raw_resources, rpm, sbl1, sdi, sec and tz. Do NOT wipe system before flashing this zip. Zip checks model before flashing.


Also, KDZ + all stock images for 20B are available here.
CODEFIRE DIRECTORY

Downgrade:
See the Downgrade section in my 20A thread HERE...

OR

Use LGUP HERE to flash a previous KDZ version.

Unofficial Bootloader Unlock:
Don't have official bootloader unlock? This guy claims to have a working method HERE...



#TEAMCODEFIRE
y u quote OP?
 
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autoprime

Recognized Developer / Inactive Recognized Contrib
Jun 23, 2010
2,638
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*reserved*

I may use this space to respond to some questions or add more notes as we go... rather than making new posts in the thread that get lost or go unnoticed.



FAQ

Q: My device shows the wrong software version in settings.. how do I fix this?
A: This is related to the "cust" (customer) partition on your phone. Using TWRP or a "Root Explorer" type app you can delete the current files in your Cust partition then you should have the proper version showing. I am not a fan of adding or flashing the cust partition... so I don't include updated cust partitions in the flashables. The cust folder/partition is in the root of your main directory.
 
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WTF?

Senior Member
Oct 13, 2011
798
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USA
can this modem be used on 20A based ROMS? - because my LTE reception with 20A is pretty weak, wants to slip back into HSPA mode in fringe areas where other phones have worked well.
 

sudman

Senior Member
May 29, 2009
190
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Reading
Hmm slightly odd in that when i go to setting-software info it says the software version is "7 HD 6.1 by S3VEN-234-15". Haven't used 7 HD for probably a month now and dirty flashed this from V20a. Odd, very odd.
 

perun

Senior Member
Oct 29, 2006
91
37
38
I install with this method but that don`t change my software version i still have V10e-260-01, but android version is changed to 6.0.
?
 

munkypoo7

Senior Member
Nov 29, 2008
98
43
0
Hanover
Sweet! The KDZ is there :D

So for those of us with a locked booloader, no root etc, we can just flash / update to 20B via LGUP and retain all of our nothing fun (root and locked bootloader)?