Search the LG L90 Forums for "LG L90 Utilities". I wrote it and it can toggle the laf partition to enable or disable fastboot mode.
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[GUIDE] Fastboot for L90 D415
- Thread starter LaDY Vengeance
- Start date
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Thanks! Sorry I've not been around much lately folks. Either working too much or dealing with back problems. Just spent 5 days stuck in bed over my back.
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Billybobjoe13245
Senior Member
I wish I could say it helped but it is a pretty great app.
Thanks! But I still can't do fastboot commands.
Do you have the latest adb and fastboot executables for your PC? There are executables available for Windows, Linux, and MacOS.I wish I could say it helped but it is a pretty great app.
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And I've wondered why aren't you present lately since although you were developing for D415 it was always good to see you around serving with help
Hope you get your problems sorted out, mate
Billybobjoe13245
Senior Member
And I have adb version 1.0.32 but i'm not sure how to check fastboot version but i'm pretty sure it's the newest. I've also tried on Mac OS X
My LG L90 Utilities app can handle toggling the device between fastboot and software upgrade modes without the use of the fastboot binary. It does require root permissions. As for adb not detecting the device... Do you have the latest adb and fastboot binaries on your PC, as well as enabled USB Debugging in Developer Options on the device?
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I honestly have no clue... im kinda new to this whole thing. if it's something that you would've installed manually, then no
I have tried everything but I cannot get fastboot to delete or flash the laf.img I saved. When I tried to do it manually it said permission denied. Please help me get lollipop start over from fresh.
This is in response to your PM also...
Firstly, the adb executable CANNOT communicate with a device that is in fastboot mode. You need to use the fastboot executable.
Try the following::
1) Copy your laf.img to the same folder that your fastboot executable is in
2) Place device in fastboot mode
3) Open a command prompt in the folder where your fastboot executable is ( If in windows explorer, Shift + Right Click and choose "Open Command Prompt Here" )
4) In the command prompt window type:
Code:
fastboot flash laf laf.imgThat should restore your laf partition and allow you to boot to Software Upgrade Mode. If that doesn't work and you can boot your phone, my LG L90 Utilities app can also restore your laf partition.
Thank you so much for your response! I figured out that I did need the .laf from the post because my device would not even boot into lollipop. It just get stuck in fastboot. I am restoring using lg phone tool now. Hopefully everything will start fresh. Once I got to lollipop, I would have to root again, and manually install twrp recovery using fastboot and unlock bootloader right? Does your lg l90 utilities do this as well?
Bootloader for D415 is ALWAYS unlocked, even after repairing with KDZ. You can use my LG L90 Utilities to flash your recovery and also toggle fastboot/software upgrade modes. Few other functions too. My app will NOT be able to root however.
fastboot problem - remote: unknown command
Hi,
maybe anyone can give me a hint what to do. Phone is L90 D405N.
Have a root, TWRP, fastboot - but in this is a problem.
I cannot flash file or use any command.
An example here:
C:\adb>fastboot reboot-bootloader
rebooting into bootloader...
FAILED (remote: unknown command)
finished. total time: 0.006s
Any idea where is a problem?
Hi,
maybe anyone can give me a hint what to do. Phone is L90 D405N.
Have a root, TWRP, fastboot - but in this is a problem.
I cannot flash file or use any command.
An example here:
C:\adb>fastboot reboot-bootloader
rebooting into bootloader...
FAILED (remote: unknown command)
finished. total time: 0.006s
Any idea where is a problem?
There is no "fastboot reboot-bootloader" command. Are you trying to boot to recovery? And fastboot commands only work when device is in fastboot mode. If trying to use adb to boot to recovery, "adb reboot recovery". Also, the reboot-bootloader does NOT work on LG devices.
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Probably didn't explain my problem so clearly.
I can boot into FastBoot mode.
But on some command i get an answer error, see this example bellow.
I am understand there is other way how to flash recovery, but for me is interesting if I made any mistake or where is a problem.
fastboot flash recovery TWRP_2.8.7.0_270615_L90.img
target reported max download size of 536870912 bytes
sending 'recovery' (13818 KB)...
OKAY [ 0.439s]
writing 'recovery'...
FAILED (remote: unknown command)
finished. total time: 0.449s
Last edited:
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22Original guide created by ChikushodoF for the LG G3. Use at your own risk!
The LG L90 does have fastboot, but it's hiding "behind" LG Download mode. The steps to access it are as follows:
Note: This assumes you've already rooted manually or with Towelroot and know what adb/fastboot is.
First, backup your LG Download mode (laf) with this code, so you can use LG Flash if necessary.
adb shell
su
dd if=/dev/block/platform/msm_sdcc.1/by-name/laf of=/sdcard/laf.img.
Run the following code to zero out laf:
dd if=/dev/zero of=/dev/block/platform/msm_sdcc.1/by-name/laf
adb reboot
For whatever reason, you won't be able to access fastboot via "reboot to bootloader" like most phones, so you've got to do a key combo:
Power Off
Unplug USB
Hold Volume Up
Plug in USB
There you go, access to fastboot. I have attached a zip containing fastboot drivers for Windows users.
Link for D415 laf.... http://d-h.st/upP4Well, according to "fastboot oem device-info" I am UNLOCKED!!!!!:good::good::good::good::good::good::silly::silly::silly::silly::highfive::highfive::highfive::highfive::highfive: 2
He just downloaded a fresh kdz since his old one was possibly corrupted ?2I accidentally stumbled upon that too. And the best part. When I was in there I found a command that works. I believe our
Boot loader is locked but OEM unlock works on it. So before I flash my Roms I'm doing this to unlock the boot loader. Thanks for the intel
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