Wiko U FEEL (wiko-ufeel)

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

Wiko U FEEL
	; Picture of XFCE4 running on Wiko U FEEL (p6609) with downstream kernel
Manufacturer	Wiko
Name	U FEEL
Codename	wiko-ufeel
Released	2016
Type	handset
Hardware
Chipset	MediaTek MT6735
CPU	4x 1.3 GHz Cortex-A53
GPU	Mali T-720
Display	720x1280 LCD
Storage	16GB eMMC
Memory	3072 MiB
Architecture	armv7
Software
Original software	Android
Original version	6 (Linux 3.18.19+) (32-bit mode)
FOSS bootloader	no
postmarketOS
Category	testing
Pre-built images	no
postmarketOS kernel	3.18.19

Architecture

Note: Even though MT6735 is capable of aarch64, some variants ship with a broken lk bootloader, a broken ARM Trusted Firmware implementation and/or a downstream kernel that compiles only on armv7. Therefore, this device can only boot on armv7 at the moment. Work is being done to replace the stock bootloader with u-boot.

Contributors

UnDevDeCatOS
cerdini

Maintainer(s)

UnDevDeCatOS

Users owning this device

UnDevDeCatOS (Notes: 2 of them, working on mainline!!!!!!!)

Board

Wiko U Feel has two different board revisions: one using the Tinno p6601 board (like BLU R1 HD, Lanix Ilium L910, QMobile Noir A6, Evertek EverSolo, Smart Art P6601) and the other using the p6609 board. It appears that the current packaged kernel is compatible between these two boards.

UART (p6609)

1.8V UART pins are exposed on the motherboard. Removing the back cover and unscrewing a plastic frame gives you access to them. According to the board, the RX pin is at the top and the TX pin at the bottom. Baud rate is 921500 for preloader/lk, and 112500 for BootROM.

WiFi

As described in the WiFi troubleshooting guide, you need a firmware loader, named 6620_launcher, but it panics the kernel. If you want to debug wifi, then check out the mediatek section on the WiFi page.

Audio

Sound card is detected in alsamixer, but dosen't work

Device Tree

I couldn't find the official dtsi source code, so i decompiled the dtb blob from the stock rom with dtc command line tool. Unfortunately with this method we don't have the comments.

How to enter flash mode

Fastboot is broken. It gives Unknown Chunk type, but it is possible to install pmOS with TWRP. Refer to Android_Recovery_Zip_Installation for installing.

Flashing with proprietary program SP Flash Tool also work fine. Tested with flashed emmc boot partition and system partition stored on external sdcard.

Installation

Links