[GUIDE] Unlock Bootloader and Flash Custom Recovery L90 D410, D405n, D405 [CWM][TWR]

gdjindal · Aug 6, 2014

THIS GUIDE IS ONLY FOR L90 D410, D405, D405n

First of all, This is not my original work. I am just sharing this GUIDE for easy Bootloader Unlocking and flashing Custom Recovery to L90.

I have tested this method myself and it is working perfectly for me, but it is also possible that it might not work for you for some reasons, so don't panic, just post your problem or whatever error you are facing (please attach screenshot if possible). I or other thread members will try to troubleshoot it. After resolving the problem I'll update this post, so that other members do not face such problem again.

Click to expand...

Click to collapse

PLEASE, USE THIS TUTORIAL AT YOUR OWN RISK, IF SOMETHING WENT WRONG (because of your stupidity) ME OR XDA WILL NOT RESPONSIBLE FOR YOUR LOSS.

Root Access required to Unlocking Bootloader and Flashing Recovery. If you are already rooted then go on, if not then down towelroot apk from https://towelroot.com/ and root your phone and install superuser from play store.

If towelroot is not supported to your device, then follow my EASY ROOTING GUIDE below :-

[GUIDE] [NEW] Root All L90 Varients with Latest updates [EASY]

Click to expand...

Click to collapse

DEVICES FLASHED WITH THIS GUIDE AND TESTED OK: LG L90 (D410)

Follow this guide step by step :-

1. Download and extract L90_D4##_v10x_aboot.zip (# = your device model, x = version of stock firmware) and any custom recovery zip you want to flash from the attachments below this post to external sd card (aboot.bin should be on external sd (/storage/external_SD/aboot.bin) , not in any other folder.

2. Download and install terminal from play store and run it.

3. Now type following commands in terminal :-

su
dd if=/storage/external_SD/aboot.bin of=/dev/block/platform/msm_sdcc.1/by-name/aboot

Click to expand...

Click to collapse

(Grant superuse permission to terminal after typing "SU" command)

4. Exit terminal, download and install Flashify from play store. Run it and grant root access.

5. Tap on Recovery image > chose a file > select recovery.img file

6. Tap on Yup!

That's it you are done

HOW TO BOOT INTO RECOVERY PRESSING VOLUME AND POWER KEY

You can reboot to recovery via flashify app or following key combination: -

Power of your phone press both Volume Down + Power Button same time, As soon as the LG logo appears release both buttons and immediately press and hold same buttons (Volume Down+Power) again. Now Factory data reset screen will appear saying "Erase all user data & restore default settings?". Use volume down key to select "Yes" and press power button to confirm and now you should be in recovery. (Caution: Don't try this while stock recovery installed or it will erase all your data)

In case of brick or want to flash stock firmware, please follow this guide :

[Easy][GUIDE][UNROOT][RELOCK BOOTLOADER]Flash Stock KDZ Offline LG L90 [All Variants]

Here is also another method to unlock bootloder using ADB on PC by @SubliemeSiem

Guide to unlocking the bootloader on the L90 using ADB

crosswire · Aug 6, 2014

I used evoname's autopatcher, does this aboot work for all variants from v10a to v10d? I thought they all had their separate aboots.
.
anyways the aboot patch works, tested on my d410 v10b

is "dd if=/storage/external_SD/aboot.binde" a typo?

I advice that users first enable fastboot and make backup before doing this.

zimbara · Aug 6, 2014

Does this work on D405 v10b?

gdjindal · Aug 6, 2014

Only for D410

Sent from my LG-D410 using XDA Premium 4 mobile app

crosswire · Aug 7, 2014

another typo :
"of=/v/block/platform/msm_sdcc.1/by-name/aboot"
the /v/ is supposed to be /dev/ right?

gdjindal · Aug 7, 2014

It was typing error crosswire, thanks for correcting me

Sent from my LG-D410 using XDA Premium 4 mobile app

nikhil92 · Aug 7, 2014

thanks for twrp ty ty ty

gdjindal · Aug 7, 2014

Just press that thanks button instead of posting

VR25 · Aug 10, 2014

Please help!!!!

Hi guys,
I've bricked my D415 by flashing the aboot.bin for the D410.
Now my device doesn't turn on, even when I connect the charger. However when I connect the charger cable with the battery out, the phone turnson and shows a signal to put battery back.

Is there any way to solve this issue? Maybe by reflashing the aboot.bin (I backed it up before).........

Help plz...

gdjindal · Aug 10, 2014

IPRJ25 said:
Hi guys,
I've bricked my D415 by flashing the aboot.bin for the D410.
Now my device doesn't turn on, even when I connect the charger. However when I connect the charger cable with the battery out, the phone turnson and shows a signal to put battery back.

Is there any way to solve this issue? Maybe by reflashing the aboot.bin (I backed it up before).........

Help plz...

http://xdaforums.com/lg-l90/general/guide-flash-stock-kdz-offline-lg-l90-t2803479
follow my this guide

shinobisoft · Aug 10, 2014

IPRJ25 said:
Hi guys,
I've bricked my D415 by flashing the aboot.bin for the D410.
Now my device doesn't turn on, even when I connect the charger. However when I connect the charger cable with the battery out, the phone turnson and shows a signal to put battery back.

Is there any way to solve this issue? Maybe by reflashing the aboot.bin (I backed it up before).........

Help plz...

If ADB still recognizes your device, then yes, flash back your original aboot image. Otherwise, it's KDZ flash. Did you zero out your laf partition to enable fastboot? If so, put device in fastboot mode and flash aboot backup with

Code:

fastboot flash aboot "path/to/aboot.bin"

VR25 · Aug 10, 2014

shinobisoft said:
If ADB still recognizes your device, then yes, flash back your original aboot image. Otherwise, it's KDZ flash. Did you zero out your laf partition to enable fastboot? If so, put device in fastboot mode and flash aboot backup with

Code:

fastboot flash aboot "path/to/aboot.bin"

My device is completely dead...
It doesn't turn on.
No fastboot, no download mode, no adb, no life...

But when I connect the usb without the battery, the phone lights up and shows a missing battery icon. Only in that situation. other things do not work, the phone is "The Walking Dead, Last Season"

I think that the aboot is the bootloader of everything... but the question is "why does the phone show the missing battery icon, and then when I put the battery back it doesn't show anything...? No charging, [nothing].

goldfinv · Aug 10, 2014

Worked great on my new d410, thanks. I noticed cwm has no backup to ext sdcard. Its this a phone limitation or its from cwm recovery?, so I'll switch to twrp instead. Cus phone memory is too small for my full cwm backup

Sent from my LG-D410 using Tapatalk

miketgv · Aug 16, 2014

Bricked....?

Hello all, I think I bricked my phone (lgl90 D410) I followed instruction from first post , also this is not the first time I do something like this on a phone.
Everything seamed to be fine during the process, but when I tried to boot in recovery the phone wont start at all, the only sign of "life" is when I pull out the battery and plug in the USB cable it shows maybe a warning that the battery is missing, that is all

((((,.
Can some one help me, can I fix this or I should go with warranty ? Thank you in advance !
BR,
Mike

gdjindal · Aug 16, 2014

miketgv said:
Hello all, I think I bricked my phone (lgl90 D410) I followed instruction from first post , also this is not the first time I do something like this on a phone.
Everything seamed to be fine during the process, but when I tried to boot in recovery the phone wont start at all, the only sign of "life" is when I pull out the battery and plug in the USB cable it shows maybe a warning that the battery is missing, that is all ((((,.
Can some one help me, can I fix this or I should go with warranty ? Thank you in advance !
BR,
Mike

Follow this guide

http://xdaforums.com/showthread.php?t=2803479

[Easy][GUIDE][UNROOT][RELOCK BOOTLOADER]Flash Stock KDZ Offline LG L90 [All Variants]

k2wl · Aug 18, 2014

i have done it a little different way that OP said. on my INDIAN D410
here is what i have done.

1.i have rooted with towelroot and install "supersu,busybox and quick boot "from playstore
2.enabled developer settings in about phone.
3.go to developer settings and enabled usb debugging
4.connect phone to pc in MTP mode
5.open terminal on my ubuntu(you can use windows with adb installed)
6.given following commands

adb devices

(accept the rsa key prompt if appears)

adb shell
su

(grand super user request)

dd if=/storage/external_SD/aboot.bin of=/dev/block/platform/msm_sdcc.1/by-name/aboot
reboot

(after reboot go to adb shell again with su propmt)

dd if=/storage/external_SD/cwm.img of=/dev/block/platform/msm_sdcc.1/by-name/recovery

(you can use cwm.img or twrp.img from quarx's cm11 thread)
in quick boot >>>click recovery>>grant super user
and you are in recovery.

i think this is a easy way as no one has to type commands on mobile which is cubbersome and liitle uneasy.

here you can copy paste if you want...

gdjindal · Aug 18, 2014

k2wl said:
i have done it a little different way that OP said. on my INDIAN D410
here is what i have done.

1.i have rooted with towelroot and install "supersu,busybox and quick boot "from playstore
2.enabled developer settings in about phone.
3.go to developer settings and enabled usb debugging
4.connect phone to pc in MTP mode
5.open terminal on my ubuntu(you can use windows with adb installed)
6.given following commands
(accept the rsa key prompt if appears)
(grand super user request)
(after reboot go to adb shell again with su propmt)
(you can use cwm.img or twrp.img from quarx's cm11 thread)
in quick boot >>>click recovery>>grant super user
and you are in recovery.

i think this is a easy way as no one has to type commands on mobile which is cubbersome and liitle uneasy.

here you can copy paste if you want...

Thanks for suggestion buddy,

I am aware of this method. You are just using a PC for hole process, but what I am thinking is, that not every L90 user can afford a PC (in INDIA)

, but can afford Terminal app for free from play store

k2wl · Aug 18, 2014

gdjindal said:
Thanks for suggestion buddy,

I am aware of this method. You are just using a PC for hole process, but what I am thinking is, that not every L90 user can afford a PC (in INDIA) , but can afford Terminal app for free from play store

but you can add this as a alternative method in OP .
people can use what ever they want to.....right??

gdjindal · Aug 18, 2014

k2wl said:
but you can add this as a alternative method in OP .
people can use what ever they want to.....right??

Thanks K2wl,
I'll update my post :good:

shinobisoft · Aug 20, 2014

Great! Link for this thread added to Frequently Asked Questions - LG Optimus L90

[GUIDE] Unlock Bootloader and Flash Custom Recovery L90 D410, D405n, D405 [CWM][TWR]

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