[Bootloader Unlock][PoC][LS991] fully unlock your device!

[steadfasterX]

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Do you ever wanted to install TWRP, root MM or install custom ROMs?
... THEN READ ON

As I do not know if you here are aware of my unlocking attempts I wanted to point to my thread over here:

https://forum.xda-developers.com/g4/general/bl-unlock-unlock-bootloader-proof-t3648288

Before starting check your antirollback version ( http://tinyurl.com/antirollg4 )! This method will *not* work for devices with an ARB>=3.

The main thing is that my method is based on flashing / converting any device into a LS991:
So if you own a LS991 device it should just work for you - without functional limitations (afaik)!

I mean until now I have no LS991 testers yet but that hopefully changes after this post


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[KingFatty]

After looking, can you clarify how things would be different if you use that procedure with the Sprint LS991?

I ask because seems like most of the steps are for tricking *other* phones into saying that they are LS991. But, if you already have a sprint phone, it already will say that, so what is left of the procedure that is somehow different from previous attempts?

Is it something about using a different windows boot mode to install TWRP - is the new procedure somehow allowing us to install TWRP permanently on a sprint LS991?

 

[TheMadScientist]

.

Do you ever wanted to install TWRP, root MM or install custom ROMs?
... THEN READ ON

As I do not know if you here are aware of my unlocking attempts I wanted to point to my thread over here:

https://forum.xda-developers.com/g4/general/bl-unlock-unlock-bootloader-proof-t3648288

The main thing is that my method is based on flashing / converting any device into a LS991:
So if you own a LS991 device it should just work for you - without functional limitations (afaik)!

I mean until now I have no LS991 testers yet but that hopefully changes after this post


.

I know its gonna get asked what about the ones that are qfused non qfuse 0 versions so anything that isnt zv5 or lower

 

[steadfasterX]

After looking, can you clarify how things would be different if you use that procedure with the Sprint LS991?

I ask because seems like most of the steps are for tricking *other* phones into saying that they are LS991. But, if you already have a sprint phone, it already will say that, so what is left of the procedure that is somehow different from previous attempts?

Is it something about using a different windows boot mode to install TWRP - is the new procedure somehow allowing us to install TWRP permanently on a sprint LS991?

It will disable secure boot *enforcement*. That means it will still detect modifications of your boot and recovery partition but ignoring it so you can install TWRP and custom ROMs.

I know its gonna get asked what about the ones that are qfused non qfuse 0 versions so anything that isnt zv5 or lower

I can say up to ZV6 only but as long as no one test I can't say for sure.. I still can't say if the anti rollback means qfuse because in my tests I was able to flash an anti rollback of 2 which can also be device model specific behavior btw..



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Sent from my LG-H815 using XDA Labs

 

[happydad4130]

I have an ls991 sprint on zvl or I idk but I want root I'll test

 

[steadfasterX]

I have an ls991 sprint on zvl or I idk but I want root I'll test

Check and tell me your antirollback first: http://tinyurl.com/antirollg4




Sent from my LG-H815 using XDA Labs

 

[KingFatty]

I have an LS991 on anti rollback v3 I think, or whatever corresponds to ZVB. So I think that's too late, and the only way to test is if you have ZVA or earlier, is that right?

 

[steadfasterX]

I have an LS991 on anti rollback v3 I think, or whatever corresponds to ZVB. So I think that's too late, and the only way to test is if you have ZVA or earlier, is that right?

Read the OP.



Sent from my LG-H815 using XDA Labs

 

[KingFatty]

The OP says it won't work on ARB>=3.
But when I checked at the link, it uses different terminology, like v1, v2, v3. I'm guessing but is ARB equivalent to v?

 

[steadfasterX]

The OP says it won't work on ARB>=3.
But when I checked at the link, it uses different terminology, like v1, v2, v3. I'm guessing but is ARB equivalent to v?

V means "version"

ARB v1
or "antirollback version 1"
or "antirollback 1"
or "ARB 1"

All the same


Sent from my LG-H815 using XDA Labs

 

[NimaXDA]

Check and tell me your antirollback first: http://tinyurl.com/antirollg4

I've also ZVI but 5689#*991# or any other code doesn't work. SVC Menu is not there?
I want to root my phone and install a custom rom.
Plz help...

 

[steadfasterX]

I've also ZVI but 5689#*991# or any other code doesn't work. SVC Menu is not there?
I want to root my phone and install a custom rom.
Plz help...

ZVI has ARB 4. No chance (yet). There is a little chance but this requires I can get SALT work in download mode for MM ROMs which is nothing which will happen soon.



Sent from my LG-H815 using XDA Labs

 

[NimaXDA]

ZVI has ARB 4. No chance (yet). There is a little chance but this requires I can get SALT work in download mode for MM ROMs which is nothing which will happen soon

Can you just help in telling me a way to downgrade to Lollipop ZV5 I think or whatever? Is it possible?

 

[steadfasterX]

Can you just help in telling me a way to downgrade to Lollipop ZV5 I think or whatever? Is it possible?

impossible. The ARB will prevent this and you will brick.
Checkout what it is: https://bit.do/antirollg4

 

[NimaXDA]

ZVI has ARB 4. No chance (yet). There is a little chance but this requires I can get SALT work in download mode for MM ROMs which is nothing which will happen soon

Can you just help in telling me away to downgrade to Lollipop ZV5 I think or whatever? Is it possible?

 

[KingFatty]

Can you just help in telling me away to downgrade to Lollipop ZV5 I think or whatever? Is it possible?

Two different people already told you it was impossible.

 

[NimaXDA]

Two different people already told you it was impossible.

How about "Kingroot.apk"? I read in some threads few people rooted thier Ls991 and freezed an app for 'Hands free activation'. Can I try it, isn't there any chance of soft or hard brick? Bcz they were on ZV5 or ZV6
These are some links...
http://www.gogorapid.com/root-lg-g4-ls991-sprint/
https://www.androidexplained.com/sprint-ls991-lg-g4-root/

---------- Post added at 03:50 PM ---------- Previous post was at 03:41 PM ----------

I need to ROOT or DOWNGRADE only because to get rid of "Hands Free Activation" and use a local 3G/4G service. Otherwise I will have to change the mobile.