LG Optimus 4X HD (lg-p880)

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LG Optimus 4X HD
Manufacturer LG
Name Optimus 4X HD
Codename lg-p880
Released 2012
Category testing
Original software Android 2.3, Android 4.0
postmarketOS kernel 3.1.10
Hardware
Chipset Nvidia Tegra 3 (AP33H)
CPU Quad-core 1.5 GHz Cortex-A9
GPU NVIDIA ULP GeForce GPU 12 cores
Display 720 x 1280 True HD-IPS LCD
Storage 16 GB
Memory 1 GB
Architecture armv7
Features
USB Networking
Flashing
Touchscreen
Works
Display
Works
WiFi
FDE
Mainline
Partial
Battery
3D Acceleration
Partial
Audio
Bluetooth
Camera
GPS
Mobile data
SMS
Calls
USB OTG
NFC
Sensors
Accelerometer
Magnetometer
Ambient Light
Proximity
Hall Effect
Unavailable
Barometer
Unavailable
Power Sensor
Misc
Keyboard
Unavailable
Touchpad
Unavailable
USB-A
Unavailable
HDMI/DP
Ir TX
Unavailable
TrustZone
Works
FOSS bootloader
Works
U-Boot
Primary Bootloader
Works
Secondary Bootloader
Partial
Mainline
Works
Internal Storage
Works
SD card
Works
USB Host
Unavailable
USB Peripheral
Works
Display
Works
Keyboard
Unavailable
Buttons
Works


This device is based on the Tegra 3.
See the SoC page for common tips, guides and troubleshooting steps

How to enter flash mode

adb reboot oem-unlock

fastboot oem unlock

flash twrp 3.0.3

reboot to recovery (Vol + and Power)

Installation

pmbootstrap build --strict --force --arch armv7 linux-lg-p880 device-lg-p880 && pmbootstrap install && pmbootstrap export
adb push /tmp/postmarketOS-export/boot.img /sdcard/boot.img
adb push /tmp/postmarketOS-export/lg-p880.img /sdcard/system.img
adb shell
dd if=/sdcard/boot.img of=/dev/block/mmcblk0p2
dd if=/sdcard/system.img of=/dev/block/mmcblk0p3
  1. NOTE for most of devices you can make adb push directly to the partitions! Just beware of numbering!

LG-p880-kernel.jpg LG-p880-loading.jpg

Unbricking

Device boots 1)normal 2)APX mode 3)Diagnostic mode (S/W Upgrade)

if bootloop try reset battery and go to recovery or fastboot (+ and power; - and power)

if its not working:

without battery hold + and - volume and plug usb (if not detect as Nvidia APX try again)

when detects insert battery

in APX mode using nvflash from here not patched

other files from here [1]

some bat command flash encrypted ABL and phone now

in S/W Upgrade

next in Windows system (VM or not) restarts in Disable driver signing enforcement mode

install lg drivers form here or here

go to http://csmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=XXXXXXXXXXXXXXX replace XX to phone imei; remember region

download from here last kdz for your region

download 3pack.zip

open kdz_fw and windows_enabler and make windows_enabler on

by clicking select CDMA, Emergency, KDZ file and launch

phone starts with android

flash twrp 3.0.3

Contributors

Users owning this device

  • TipzTeam (Notes: Display broken, not turning on)


See also