Umidigi F2 (umidigi-f2)

Features
Flashing	Works
USB Networking	Works
Internal storage
SD card
Battery
Screen	Works
Touchscreen	Works
Multimedia
3D Acceleration
Audio	Broken
Camera
Camera Flash
Connectivity
WiFi	Broken
Bluetooth
GPS
NFC
Modem
Calls
SMS
Mobile data
Miscellaneous
FDE
USB OTG	Works
HDMI/DP
Sensors
Accelerometer
Magnetometer
Ambient Light
Proximity
Hall Effect
Haptics
Barometer

Umidigi F2
Manufacturer	Umidigi
Name	F2
Codename	umidigi-f2
Released	2019
Type	handset
Hardware
Chipset	MediaTek Helio P70 (MT6771V/CT)
CPU	4x 2.1GHz Cortex-A73, 4x 2GHz Cortex-A53
GPU	Mali-G72 MP3 900MHz
Display	1080x2340 IPS
Storage	128 GB
Memory	6 GB
Architecture	aarch64
Software
Original software	Android
Original version	10
postmarketOS
Category	testing
Pre-built images	no
Mainline	no

Contributors

ptrcnull

Users owning this device

Ptrcnull (Notes: Daily, Android)

How to enter flash mode

Fastboot: Hold down POWER and VOL DOWN. Use volume buttons to navigate to Fastboot and press power.

Installation

What doesn't work

WiFi

Kernel driver compiles, but returns I/O error when trying to enable it via /dev/wmtWifi (as explained here).

 [  135.913610]  (4)[6862:modprobe][WMT-DETECT][I]wmt_detect_driver_init:driver(major 154) installed success
 [  135.915255]  (4)[6862:modprobe][MTK-WIFI] WIFI_init[I]: mtk_wmt_wifi_chrdev driver(major 153) installed
 [  135.977070]  (4)[6862:modprobe][HIF-SDIO][I]mtk_wcn_wmt_wlan_reg:wmt wlan cb register
 [  169.338409]  (2)[6913:ash][MTK-WIFI] WIFI_open[I]: major 153 minor 0 (pid 6913)
 [  169.338438]  (2)[6913:ash][MTK-WIFI] WIFI_write[I]: WIFI_write 1
 [  169.338446]  (2)[6913:ash]../drivers/misc/mediatek/connectivity/common/common_main/core/wmt_lib.c, 1519, (!RB_EMPTY(pOpQ))
 [  169.338452]  (2)[6913:ash][HIF-SDIO][W]wmt_lib_get_op:RB_GET(00000000ff019d6f) return NULL
 [  169.338454]  (2)[6913:ash]Queue is NULL, name: wmtd_thread
 [  169.338457]  (2)[6913:ash]Queue is NULL, name: wmtd_worker_thread
 [  169.338467]  (2)[6913:ash]../drivers/misc/mediatek/connectivity/common/common_main/core/wmt_lib.c, 1533, (pOp)
 [  169.338470]  (2)[6913:ash]../drivers/misc/mediatek/connectivity/common/common_main/core/wmt_lib.c, 1519, (!RB_EMPTY(pOpQ))
 [  169.338473]  (2)[6913:ash][HIF-SDIO][W]wmt_lib_get_op:RB_GET(00000000ff019d6f) return NULL
 [  169.338475]  (2)[6913:ash]Queue is NULL, name: wmtd_thread
 [  169.338477]  (2)[6913:ash]Queue is NULL, name: wmtd_worker_thread
 [  169.338486]  (2)[6913:ash]../drivers/misc/mediatek/connectivity/common/common_main/core/wmt_lib.c, 1533, (pOp)
 [  169.338489]  (2)[6913:ash][MTK-WIFI] WIFI_write[E]: WMT turn on WIFI fail!
 [  169.338513]  (2)[6913:ash][MTK-WIFI] WIFI_close[I]: major 153 minor 0 (pid 6913)

Bluetooth

Same as above:

 [MTK-BT] BT_open: major 192 minor 0 (pid 8406)
 ../drivers/misc/mediatek/connectivity/common/common_main/core/wmt_lib.c, 1519, (!RB_EMPTY(pOpQ))
 [HIF-SDIO][W]wmt_lib_get_op:RB_GET(00000000ff019d6f) return NULL
 Queue is NULL, name: wmtd_thread
 Queue is NULL, name: wmtd_worker_thread
 FreeOpQ(00000000ff019d6f), sz:0/0, rd:0, wt:0
 ActiveOpQ(00000000ed1c1d3b), sz:0/0, rd:0, wt:0
 ../drivers/misc/mediatek/connectivity/common/common_main/core/wmt_lib.c, 1533, (pOp)
 [MTK-BT] BT_open: WMT turn on BT fail!

Battery capacity

/sys/class/power_supply/battery/ returns static data, capacity is always at the level it was during boot.