Backup G4 H815 before unlocking - G4 Q&A, Help & Troubleshooting

Is there any way that I can make a backup of the stock rom, recovery and modem before unlocking my G4?

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[Q] CWM or TWRP on D855

Hi,
Is there a way I can flash a CWM or TWRP Recovery on my LG G3 D855 device? OR does this require an unlocked bootloader which this is not even available atm?..

[Q] A few questions about Custom ROMs

Hello everyone! I'm not really new to this Android rooting and unlocking bootloader stuff (I did this to my previous Xperia phones) but I'm "new" with it now because I'm now an LG user. I currently own the D855 Global variant.
So here are my questions:
1.) Is it necessary to unlock the bootloader to flash custom ROMs? Or is root enough? (I rooted my phone yesterday and installed TWRP with AutoRec for D855 users) I'm kinda interested with the Cloudy G3 ROM.
2.) Is it necessary to unlock the bootloader to flash custom kernels?
3.) What does bump mean? I haven't heard this term before.
1) No, you do not need to unlock your bootloader on lg g3 to flash Cloudy ROM or other custom ROMs.
You are not even able to unlock the bootloader on this phone currently. If you already
flashed TWRP go get your Cloudy ROM and flash it with TWRP.
2) Again no. Like I said you are not able to unlock bootloader on this phone currently.
But you will be able to flash custom kernels because they are BUMPed.
3) And finally BUMP is a way of signing boot image so it could be booted on LG bootlader without the bootloader itself being unlocked. All XDA ROMS for LG G3 I found here are already prebumped so you are able to download them and flash immediately.
NatusVincere said:
1) No, you do not need to unlock your bootloader on lg g3 to flash Cloudy ROM or other custom ROMs.
You are not even able to unlock the bootloader on this phone currently. If you already
flashed TWRP go get your Cloudy ROM and flash it with TWRP.
2) Again no. Like I said you are not able to unlock bootloader on this phone currently.
But you will be able to flash custom kernels because they are BUMPed.
3) And finally BUMP is a way of signing boot image so it could be booted on LG bootlader without the bootloader itself being unlocked. All XDA ROMS for LG G3 I found here are already prebumped so you are able to download them and flash immediately.
Click to expand...
Click to collapse
Thank you so much! Another question tho, if I flash any stock based custom kernel, how do I get back to stock if in any case I would want to?
Before flashing anything you should always do backup with TWRP or other custom recovery you already have. If you did your backup there, just restore it that way.
In case you did not, you are able to use LG flash tool and flash stock kdz files.
Also you could backup your boot.img(kernel that is...) using app like Flashify and restore it with it if necessary.
And again I recommend doing a nandroid backup with TWRP before flashing anything at all.

How to create a backup of Stock Firmware?

So I want to root my LG G4 H815 Int. The thing is, I want to be able to restore/ to have original firmware if I'll need it for the warranty.
So can I somehow backup the original firmware?
No nead for backup just kdz flash stock

E986 cannot boot OS

Hello Peeps,
Ik have a E986 with a problem
When i rooted my phone and run freegee i only see the options of installing CWM/TWRP or Backup/Restore EFS.
There is no option to unlock my bootloader.
It is still possible to flash a recovery and a rom, but i can only boot into the recovery.
The only option is to flash a stock KDZ file and return to stock.
I've used freegee and different roms succesfull in the past, but because a soft brick i had to return to stock.

LG G3 AT&T stock recovery

I currently have a G3 installed on it TWRP and it is not with Root or anything I just want to restore it to the recovery that came with the phone.
Is there a way to do this without losing information, etc.?
TY
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