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LG G4 International (lg-h815)

From postmarketOS Wiki
LG G4 (International
H815)
LG G4
LG G4
Manufacturer LG
Name G4 (International
H815)
Codename lg-h815
Released 2015
Type handset
Hardware
Chipset Qualcomm Snapdragon 808 (MSM8992)
CPU Hexa-core 64-bit (2x 1.82 GHz Cortex A57
4x 1.44 GHz Cortex A53)
GPU Adreno 418
Display 2560x1440 IPS LCD
Storage 32GB
Memory 3GB LPDDR3
Architecture aarch64
Software
Original software
The software and version the device was shipped with.
Android 5.1.1
Extended version
The most recent supported version from the manufacturer.
Android 7.0
postmarketOS
Category testing
Mainline
Instead of a Linux kernel fork, it is possible to run (Close to) Mainline.
yes
Device package device-lg-h815
Kernel package linux-lg-h815
Features
Flashing
It is possible to flash the device with pmbootstrap flasher.
Works
USB Networking
After connecting the device with USB to your PC, you can connect to it via telnet (initramfs) or SSH (booted system).
Works
Battery
Charging and battery level reporting works
Works
Screen
Display works. Ideally with sleep mode and brightness control.
Works
Touchscreen
Works
Multimedia
3D Acceleration
Broken
Audio
Audio playback, microphone, headset and buttons.
Untested
Camera
Untested
Connectivity
WiFi
Broken
Bluetooth
Untested
GPS
Untested
Modem
Calls
Untested
SMS
Untested
Mobile data
Untested
Miscellaneous
FDE
Full disk encryption and unlocking with unl0kr.
Untested
Sensors
Accelerometer
Auto screen rotation works in desktops e.g. Phosh or Plasma Mobile
Untested
Magnetometer
Sensor to measure magnetism
Untested
Ambient Light
Untested
Proximity
Untested
Hall Effect
Also known as flip cover sensor
Works

Contributors

Maintainer(s)

Device owners


What is TODO

  • Identify and make use of UART(candidate is 3,5" jack)
  • Mainline it
  • test UsU Devices

How to enter flash mode

On the v20p bootloader enter fastboot from TWRP or Android.

From Android:

  • adb reboot bootloader
    

From TWRP:

  1. Press and hold both power and volume down buttons.
  2. After LG logo appears release the power button for one second then hold it again.
  3. If you have flashed TWRP on it, just ignore warnings about deleting data.
  4. After booting to TWRP choose "Reboot", then "Bootloader" options to enter fastboot mode

On the v29a bootloader:

  1. press volume down button
  2. plug in USB cable, keep holding volume down button

Installation

  • Unlock bootloader
  • Build using pmbootstrap
  • Enter fastboot on phone
$ pmbootstrap init
$ pmbootstrap install
$ pmbootstrap flasher flash_rootfs
$ pmbootstrap flasher flash_kernel
# fastboot reboot

Feature matrix

Mainline kernel Android kernel
Booting Working Working
USB Network Working Working
Flashing Working Working
Storage Working
Touchscreen Working
Display Partial
WiFi
XWayland Working
FDE
Battery Working
Hardware Acceleration
Accelerometer
Audio
Bluetooth
Camera
GPS
Mobile data
SMS
Calls
USB OTG

/sys tunables

/sys/class/graphics/fb0/blank

0 - Touchscreen enabled

1 - Touchscreen disabled


/sys/class/leds/lcd-backlight/brightness

0 - Screen at 0% of brightness

255 - Screen at 100% of brightness

Photos

TODO

Links