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Lenovo K4 Note (lenovo-k5fpr)

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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
Type handset
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
Software
Original software Android
Original version 5.1.1
Extended version 6.0
postmarketOS
Category testing
Pre-built images no
Features
Flashing
Partial
USB Networking
Works
Screen
Works
Touchscreen
Works
Multimedia
Connectivity
Modem
Miscellaneous
Sensors


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


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).

See also