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[V500] How to install TWRP under stock LP?

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By ravi_buz, Senior Member on 26th July 2015, 07:31 PM
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I recently flashed the korean LP build on my V500. Since its terribly slow I wanted to move to CM. I read that TWRP is required to flash it and hence tried installing TWRP using both the TWRP Manager APP and flashify but neither of them seems to work as they are meant to work only over KK bootlaoader. Is there a ways to install TWRP over LP bootloader?
 
 
26th July 2015, 08:03 PM |#2  
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You need to install kitkat bootloader first and then install twrp (root is required):

1) Download kitkat bootloader: https://www.androidfilehost.com/?fid=24352994023707804
2) Extract the 6 bootloader img files and copy them to the internal sdcard.
3) Install Terminal Emulator and open it.
4) Run the following commands (grant root access to Terminal Emulator after the first command):

Code:
su
dd if=/sdcard/aboot.img of=/dev/block/platform/msm_sdcc.1/by-name/aboot
dd if=/sdcard/rpm.img of=/dev/block/platform/msm_sdcc.1/by-name/rpm
dd if=/sdcard/sbl1.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl1
dd if=/sdcard/sbl2.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl2
dd if=/sdcard/sbl3.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl3
dd if=/sdcard/tz.img of=/dev/block/platform/msm_sdcc.1/by-name/tz
5) Download latest official TWRP, rename it to twrp.img and copy it to the internal sdcard.
6) Open Terminal Emulator and run the following commands (needs root again):

Code:
su
dd if=/sdcard/twrp.img of=/dev/block/platform/msm_sdcc.1/by-name/recovery
7) You are done! Reboot to recovery and flash any rom you want.
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26th July 2015, 08:17 PM |#3  
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Quote:
Originally Posted by fefifofum

You need to install kitkat bootloader first and then install twrp (root is required):

1) Download kitkat bootloader: https://www.androidfilehost.com/?fid=23991606952613675
2) Extract the 6 bootloader img files and copy them to the internal sdcard.
3) Install Terminal Emulator and open it.
4) Run the following commands (grant root access to Terminal Emulator after the first command):

Code:
su
dd if=/sdcard/aboot.img of=/dev/block/platform/msm_sdcc.1/by-name/aboot
dd if=/sdcard/rpm.img of=/dev/block/platform/msm_sdcc.1/by-name/rpm
dd if=/sdcard/sbl1.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl1
dd if=/sdcard/sbl2.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl2
dd if=/sdcard/sbl3.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl3
dd if=/sdcard/tz.img of=/dev/block/platform/msm_sdcc.1/by-name/tz
5) Download latest official TWRP, rename it to twrp.img and copy it to the internal sdcard.
6) Open Terminal Emulator and run the following commands (needs root again):

Code:
su
dd if=/sdcard/twrp.img of=/dev/block/platform/msm_sdcc.1/by-name/recovery
7) You are done! Reboot to recovery and flash any rom you want.

Wohooo it woked! Finished flashing you unofficial CM build. Thanks and keep rocking!
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28th July 2015, 06:05 AM |#4  
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Hpw do you root stock lp v500?

Sent from my LG-V500 using Tapatalk
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28th July 2015, 07:19 PM |#5  
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that's exactly what i was thinking. what did you do ravi?
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3rd August 2015, 10:17 PM |#6  
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Same question here... On. Stock lollipop Korean version but assume I need to be rooted to try the steps detailed above?
4th August 2015, 02:01 PM |#7  
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If you don't have access to a custom recovery, I guess you could root using this method (I didn't test it), you will also need LG drivers.
10th August 2015, 09:55 AM |#8  
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Quote:
Originally Posted by ravi_buz

wohooo it woked! Finished flashing you unofficial cm build. Thanks and keep rocking!

worked for me too. Thanks.

---------- Post added at 08:55 AM ---------- Previous post was at 08:49 AM ----------

Quote:
Originally Posted by Dri94

Hpw do you root stock lp v500?

Sent from my LG-V500 using Tapatalk

Root using the iroot method http://forum.xda-developers.com/lg-g...uired-t3116336
11th August 2015, 07:16 AM |#9  
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Quote:
Originally Posted by fefifofum

You need to install kitkat bootloader first and then install twrp (root is required):

1) Download kitkat bootloader: https://www.androidfilehost.com/?fid=23991606952613675
2) Extract the 6 bootloader img files and copy them to the internal sdcard.
3) Install Terminal Emulator and open it.
4) Run the following commands (grant root access to Terminal Emulator after the first command):

Code:
su
dd if=/sdcard/aboot.img of=/dev/block/platform/msm_sdcc.1/by-name/aboot
dd if=/sdcard/rpm.img of=/dev/block/platform/msm_sdcc.1/by-name/rpm
dd if=/sdcard/sbl1.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl1
dd if=/sdcard/sbl2.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl2
dd if=/sdcard/sbl3.img of=/dev/block/platform/msm_sdcc.1/by-name/sbl3
dd if=/sdcard/tz.img of=/dev/block/platform/msm_sdcc.1/by-name/tz
5) Download latest official TWRP, rename it to twrp.img and copy it to the internal sdcard.
6) Open Terminal Emulator and run the following commands (needs root again):

Code:
su
dd if=/sdcard/twrp.img of=/dev/block/platform/msm_sdcc.1/by-name/recovery
7) You are done! Reboot to recovery and flash any rom you want.

thank you for the guide I could boot into recovery but after I rebooted normally (i didn't do anything in TWRP) I got a boot error cause: boot certification verify. will installing cm12.1 solve the problem despite that flashing roms won't flash boot partition? or I should go to download mode and install stock rom? i still can boot to TWRP but not the rom
25th February 2016, 12:07 PM |#10  
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Where exactly shall I copy the img files to?
Have tried to copy them to the following places:
/
/sdcard/
/data/media/
/data/media/0

Also tried to use sd-card in command instead of sdcard, but I always get the same error; No such file or directory

Any suggestions?
26th February 2016, 09:24 PM |#11  
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Finally got it to work.
For some unknown reason Terminal Emulator would not accept the location for the files when I placed them under /sdcard/
Moved the *.img files to /storage/emulated/0, and used this location in the commandos instead of /sdcard/
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