Lenovo K4 Note (lenovo-k5fpr)

From postmarketOS
Lenovo K4 Note
Also known as: Lenovo K4 Note A7010a48, A7010, Lenovo Vibe X3 Lite, Lenovo K51c78
Also known as: Lenovo K4 Note A7010a48, A7010, Lenovo Vibe X3 Lite, Lenovo K51c78
Manufacturer Lenovo
Name K4 Note
Codename lenovo-k5fpr
Released 2016
Category testing
Pre-built images no
Original software Android
Original version 5.1.1
Extended version 6.0
Hardware
Chipset Mediatek MT6753
CPU Octa-core 1.3 GHz Cortex-A53
GPU Mali-T720MP3
Display 1080 x 1920 IPS LCD, (~401 ppi density)
Storage 8GB/16GB/32GB
Memory 2GB/3GB
Architecture AArch64
Features
USB Networking
Works
Flashing
Partial
Touchscreen
Works
Display
Works
WiFi
FDE
Mainline
Battery
3D Acceleration
Audio
Bluetooth
Camera
GPS
Mobile data
Internal storage
SMS
Calls
USB OTG
NFC
Sensors
Accelerometer
Magnetometer
Ambient Light
Proximity
Hall Effect
Barometer
Power Sensor
Misc
Built-in DVB
Camera Flash
Keyboard
Touchpad
USB-A
HDMI/DP
Ir TX
Ir RX
Stylus
Memory Card
Haptics
Ethernet
FOSS bootloader


Variants

  • A7010 - made for European market, has FM radio, supports LTE band 20
  • K51c78 - made for Chinese market, 16 GB of internal storage, supports LTE band 38

Contributors

Users owning this device

How to enter flash mode

  • adb reboot bootloader
  • fastboot oem unlock

Installation

pmbootstrap build --strict --force --arch aarch64 linux-lenovo-k5fpr device-lenovo-k5fpr && pmbootstrap install && pmbootstrap export

via pmbootstrap:

pmbootstrap flasher flash_kernel --flashes boot and hangs

pmbootstrap flasher flash_rootfs --not tested


Lenovo-A7010-kernel.jpg Lenovo-A7010-booting.jpg

via twrp

pmbootstrap export

adb push /tmp/postmarketOS-export/boot.img /sdcard/boot.img

adb push /tmp/postmarketOS-export/lenovo-a7010.img /sdcard/system.img

in twrp install -> .img -> boot.img -> boot ; install -> .img -> system.img -> system

UART

1. Remove the back cover held by 14 screws (it's easy to pry it with a nail from the left side of the battery).

2. There are 2 UART ports available above the main camera module.

3. Baudrates should be common for mediatek devices: 115200 and 921600 (depends on port).

K5fpr-uart.jpg

See also