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How to install MultiROM on the LG G2

Many hacks and ROMS are available for different devices and specially in the ROM section there is many choice depending on your personal preference. For those who are running a custom ROM might have more then one they would like to simply try out without deleting their current ROM and for these occasions you can use MultiROM, which allows you to select what ROM you want to use when booting up your device.

How to install MultiROM LG G2

  1. First, we recommend you back up your device. Check out our guide on How to do just that here
  2. You also need to make sure your device is not encrypted
  3. Unlock your Bootloader (Download Android SDK Tools)
  4. Download MultiROM here
  5. Download Modified TWRP here
  6. Download the Render Kernel here
  7. rename the TWRP install file to “recovery.img”
  8. Connect your LG G2 to your computer and locate the downloaded files into your device’s root (don’t unzip any .zip files)
  9. Boot the system into recovery by opening up the terminal and running the following command: adb reboot recovery
  10. Select the “fastboot” option on the screen and proceed to run the following command: sudo fastboot flash recovery recovery.img
  11. Proceed to reboot your device using this command: sudo fastboot reboot

How to add a new ROM to MultiROM

  1. Unpack your ROM .zip file
  2.  go to META-INF/com/google/android/
  3.  open updater-script (with Notepad ++)
  4.  Find this line: run_program(“/tmp/”);
  5. replace it with this line: write_raw_image(“/tmp/boot.img, “/dev/block/mmcblk0p7”);
  6. rezip the file
  7. go to recovery, select Advanced > MultiROM > Add ROM
  8. Select the zip file of the ROM you want to install and confirm it