Xiaomi Mi 4i (xiaomi-ferrari)

Features
Flashing Whether 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 Whether charging and battery level reporting work.	Untested
Screen Whether the display works; ideally with sleep mode and brightness control.	Works
Touchscreen	Works
Multimedia
3D Acceleration	Works
Audio Audio playback, microphone, headset and buttons.	Untested
Camera	Untested
Connectivity
WiFi	Works
Bluetooth	Untested
GPS	Untested
Modem
Calls	Untested
SMS	Untested
Mobile data	Untested
Miscellaneous
FDE Full disk encryption and unlocking with unl0kr.	Untested
Sensors
Accelerometer Handles automatic screen rotation in many interfaces.	Untested

Xiaomi Mi 4i
	; Mi 4i running Phosh with (close-to-mainline) kernel
Manufacturer	Xiaomi
Name	Mi 4i
Codename	xiaomi-ferrari
Released	2015
Type	handset
Hardware
Chipset	Qualcomm Snapdragon 615 (MSM8939)
CPU	Octa-core (4x1.7 GHz Cortex-A53 ; 4x1.0 GHz Cortex-A53)
GPU	Adreno 405
Display	1080 x 1920 IPS LCD
Storage	16/32 GB eMMC 4.5
Memory	2 GB
Architecture	aarch64
Software
Original software The software and version the device was shipped with.	Android (MIUI) 5.0.2
Extended version The most recent supported version from the manufacturer.	Android (MIUI)
postmarketOS
Category	archived
Mainline Instead of a Linux kernel fork, it is possible to run (Close to) Mainline.	no
pmOS kernel The kernel version that runs on the device's port.	3.10.104
Unixbench score Unixbench Whetstone/Dhrystone score. See Unixbench.	2246.4
Optional Generic Port	Generic MSM8916 (qcom-msm8916)
Device package	device-xiaomi-ferrari
Kernel package	linux-postmarketos-qcom-msm8916

This page is about the dedicated port of this device. There is also an optional generic port available for this device - see Generic MSM8916 (qcom-msm8916).

This device has been archived. This means that it no longer appears in pmbootstrap and is likely broken.
It can still be selected in pmbootstrap init by typing in the vendor and codename, but you will have to build the kernel package manually.

This device is based on the Snapdragon 615.
See the SoC page for common tips, guides and troubleshooting steps

Contributors

Sungold

Maintainer(s)

Users owning this device

JuniorJPDJ (Notes: half broken touch)
Sungold (Notes: No longer with me, dead speakers and display, stopped mainline development)
TQMatvey (Notes: half broken touchscreen)

How to enter flash mode

Recovery mode

Turn the device off (or restart also works)
Hold Volume Up and Power button
Once you feel vibration and phone turns on, release Power button
Keep holding Volume Up until you get to recovery.

Flashing (Download, Fastboot) mode

Same as recovery, but this time hold the Volume Down and Power keys.

Installation

Install pmbootstrap first on your PC
zap & reinit pmbootstrap (pmbootstrap -y zap ; pmbootstrap init), choose xiaomi-libra as device
proceed with installation as usual: reboot device to fastboot mode, then:

pmbootstrap install
pmbootstrap flasher flash_kernel
pmbootstrap flasher flash_rootfs