LG optimus f5

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ward24

Senior Member
Feb 27, 2011
185
27
Google Pixel 6
Is there n e thing like cwm or twrp or n e custom roms for this device I mean it's rooted but that's it I wanna install a Rom but there's nothing for this device plz help

Sent from my AS870 4G using XDA Premium 4 mobile app
 
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KingDaddyDaniel

New member
Aug 18, 2014
2
1
Is there n e thing like cwm or twrp or n e custom roms for this device I mean it's rooted but that's it I wanna install a Rom but there's nothing for this device plz help

Sent from my AS870 4G using XDA Premium 4 mobile app

I have an LG Optimus F5 AS870, however i cant seem to find a way to root it.
Could you guide/link me to the file/app that you used? Much appreciated
 

gattytto

Member
Aug 28, 2012
35
6
not hard at all, after all, there's already a bunch of a pps to see the ROM contents.
aboot is the file containing the secure boot procedure.

Some one who can figure out the hex changes to make an unconditional jump will get the bootloader cracked.
Also, there's the DLL file that comes with the FIRMWARE DZ file, which can also be cracked to bypass MD5 checksums when flashing the modified rom to the phone.

It can be done, just like with all the other LG phones that have been already unlocked.
wee need someone to explain the hex/ARM-ASM part to us for the bootloader patching procedure.
Code:
.text:8F118E2C                 LDR             R0, =aSecureBootStar ; "Secure boot started\n"

......

.text:8F118F04                 LDR             R0, =aErrorBootCerti ; "ERROR : boot certification verify\n"


.......

.text:8F118ECC                 LDR             R0, =aSecureBootEnd ; "Secure boot End\n"
View attachment 3449071

View attachment 3449072
 

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sklw

Member
Dec 1, 2015
11
0
Is there n e thing like cwm or twrp or n e custom roms for this device I mean it's rooted but that's it I wanna install a Rom but there's nothing for this device plz help

Sent from my AS870 4G using XDA Premium 4 mobile app

Hi, I made a post related to optimus f5 :cowboy:
https://xdaforums.com/showpost.php?p=81539717&postcount=5
It is about twrp 3 works in optimus f5 by porting! I also made a thread at androidforums
See also: https://androidforums.com/threads/twrp-on-optimus-f5.1318504/

---------- Post added at 03:00 PM ---------- Previous post was at 02:54 PM ----------

Hi, I don't know much about the structure and code of aboot bin file caz I am not a real developer. However, I found that we can use loki tool by djrbliss. Anyway thanks for sharing something here folks!
 
Last edited:

Mr. JAVI

Senior Member
Nov 7, 2018
273
60
South Texas
I discovered your thread on AF and started looking for roms that might be compatible with your device and thats what lead me to your post here on XDA. Congratulations on successfully flashing TWRP on your Optimus f5. Im not sure if your rooted but just in case you are perhaps Tipatch will be compatible with your device. Good luck.

https://www.google.com/amp/s/xdafor...pp-twrp-tipatch-backup-internal-t3831217/amp/
 
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sklw

Member
Dec 1, 2015
11
0
I discovered your thread on AF and started looking for roms that might be compatible with your device and thats what lead me to your post here on XDA. Congratulations on successfully flashing TWRP on your Optimus f5. Im not sure if your rooted but just in case you are perhaps Tipatch will be compatible with your device. Good luck.

https://www.google.com/amp/s/xdafor...pp-twrp-tipatch-backup-internal-t3831217/amp/
Hi, thanks for your support! I rooted my device first by old framaroot and used adb shell to install the twrp. The flashing guide from djrbliss in github. Fyi, I used mktool in Win10 Linux Subsystem that is made by gametheory on AF and use loki to patch the recovery img

---------- Post added at 12:47 PM ---------- Previous post was at 12:17 PM ----------

The rec image is uploaded to gdrive https://drive.google.com/file/d/1dBj1ShtaKU50ytWkGhOZRPRYJkxa8RLH/view?usp=sharing
 

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    Yes cm team is being lazy on this for real. They always get request for this phone and ignore them. Pisses me off sometimes.
    1
    Is there n e thing like cwm or twrp or n e custom roms for this device I mean it's rooted but that's it I wanna install a Rom but there's nothing for this device plz help

    Sent from my AS870 4G using XDA Premium 4 mobile app