Samsung Galaxy Ace 3 Duos (samsung-logands)

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).	Partial
Battery Whether charging and battery level reporting work.	Works
Screen Whether the display works; ideally with sleep mode and brightness control.	Partial
Touchscreen	Works
Multimedia
3D Acceleration	Untested
Audio Audio playback, microphone, headset and buttons.	Broken
Camera	Broken
Connectivity
WiFi	Partial
Bluetooth	Broken
GPS	Broken
Modem
Calls	Untested
SMS	Untested
Mobile data	Broken
Sensors
Accelerometer Handles automatic screen rotation in many interfaces.	Untested
Magnetometer Sensor to measure the Earth's magnetism	Untested
Ambient Light Measures the light level; used for automatic screen dimming in many interfaces.	Untested
Proximity	Untested
Hall Effect Measures magnetic fields; usually used as a flip cover sensor	Untested
Barometer Sensor to measure air pressure	Untested
Power Sensor Sensor to monitor current, voltage and power. Not fuel gauge!	Untested

Samsung Galaxy Ace 3 Duos
	; GT-S7272 running Xfce4
Manufacturer	Samsung
Name	Galaxy Ace 3 Duos
Codename	samsung-logands
Released	2013
Type	handset
Hardware
Chipset	Broadcom BCM21664
CPU	1.0 GHz Cortex-A9
GPU	VideoCore IV
Display	480x800 TFT
Storage	4 GB
Memory	1 GB
Architecture	armv7
Software
Original software The software and version the device was shipped with.	Android 4.2.2
Extended version The most recent supported version from the manufacturer.	Android
FOSS bootloader	no
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.	3.4.5
Device package	device-samsung-logands
Kernel package	linux-samsung-logands

Not to be confused with the LTE model, which has a Qualcomm SoC! (If you have a letter after the model number, you have the LTE model.)

This device has been archived.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.

Maintainer(s)

AppleCross

Contributors

AppleCross

Users owning this device

AppleCross (Notes: GT-S7272)
Stani2000

How to enter flash mode

Download mode: While the device is turned off, hold Power + Home + Volume Down, and confirm the action by pressing Volume Up thereafter.
Recovery mode: While the device is turned off, hold Power + Home + Volume Up.

Installation (Android Recovery Zip)

pmbootstrap init # Choose samsung-logands
pmbootstrap install --android-recovery-zip  
pmbootstrap export
# Find installation .zip in '/tmp/postmarketOS-export' folder.
# Put .zip on SD card. 
# Boot into recovery mode
# Install .zip using recovery tool like CWM or TWRP.

Installation

pmbootstrap init # Choose samsung-logands
pmbootstrap install
# Boot into download mode (Odin mode) before running the command below
pmbootstrap flasher flash_rootfs
# Boot into download mode again
pmbootstrap flasher flash_kernel

WiFi

Wifi isn't working properly, there are two problems:

Broadcom Wifi kernel module isn't installing automatically.
Connection to Wifi doesn't work, only Wifi scanning is working.

see this comment[1] from MR for installing the kernel module manually.