Filed Under (LG Android Phones, LG F90, LG Phone Problem and Solution) by lg-phones on 03-11-2014

An LG L90 work also works for LG Volt LS740. 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.

How to enable fastboot for LG Volt LS740:

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

You delete the laf partition, which forces fastboot mode and takes the place of download mode.

IF you want to return the phones download mode

  • fastboot flash laf laf.img

You can skip flashing the laf.IMG back before exiting fastboot if you wanna leave fastboot mode enabled instead of download mode. But be careful as without download mode you might not be able to recover from a brick.

So think about what you feel is more useful. In fastboot you cannot flash /system/ back because it is too large.

Disclaimer: This is what i did and it worked. Try this at your own risk, always assume anything you do on your phone will result in a brick and it will be unrecoverable.

Link for D415 laf:


LG Volt LS740 Phone Photos – LG Cell Phone Pictures



LG Cell Phone Related Posts


Parky on 29 March, 2015 at 12:29 am #

I was all good until I got to this command

“dd if=/dev/zero of=/dev/block/platform/msm_sdcc.1/by-name/laf”

Andit responded with:

“/dev/block/platform/msm_sdcc.1/by-name.laf: write error: No space left on device”

Can someone please tell me how to fix this? I’ve tried doing a reset but that didn’t solve the problem

Wilber Mahoney on 8 September, 2016 at 2:27 pm #

laf.exe Google results say its a virus.

madgosht on 18 May, 2017 at 10:26 pm #

I know it is a lil late to reply but You must have run out of space on your sd card. Hint: backup all your data perform factory reset or simply erase sdcard then retry.

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