Xiaomi Redmi 4A (xiaomi-rolex)

From postmarketOS
Xiaomi Redmi 4A
Manufacturer Xiaomi
Name Redmi 4A
Codename xiaomi-rolex
Released 2016
Category testing
Pre-built images no
Original software Android (MIUI)
Original version 6.0.1 (MIUI 10)
postmarketOS kernel 3.18.140
Hardware
Chipset Qualcomm Snapdragon 425 (MSM8917)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Adreno 308
Display 720 x 1280 pixels, 16:9 ratio (~296 ppi density) IPS LCD capacitive touchscreen, 16M colors
Storage 16 GB
Memory 2 GB
Architecture AArch64
Type Handset
Features
USB Networking
Works
Flashing
Works
Touchscreen
Works
Display
Works
WiFi
Works
FDE
Partial
Mainline
Battery
Works
3D Acceleration
Audio
Bluetooth
Camera
GPS
Mobile data
Internal storage
SMS
Calls
USB OTG
Works
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


Contributors

  • Nrdnandan

Maintainer(s)

  • Nrdnandan

Users owning this device

  • Maciej (Notes: OK, not used currently)
  • Nrdnandan (Notes: Broken Touchscreen,Damaged Battery)
  • RoDen (Notes: Plasma Desktop)
  • Tfuxu (Notes: Damaged jack connector)
  • Vincele (Notes: MIUI, not mine, locked)


How to enter into bootloader (fastboot)

  • Shutdown the phone completely.
  • Press Volume Down and Power button simultaneously to enter fastboot mode.

How to enter into recovery mode

  • Shutdown the phone completely
  • Press Volume Up and Power button simultaneously to enter the recovery (MI or Custom).

Forked kernel

Bootloader original status

Installation

The following steps boots postmarketOS.

  • pmbootstrap flasher flash_rootfs
  • pmbootstrap flasher flash_kernel
  • pmbootstrap flasher boot

See Also