Samsung Galaxy Tab E 9.6 (SM-T560) (samsung-gtelwifi)
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| This device runs a Downstream kernel. Some UIs will not work, and most features (3D acceleration, audio, etc.) may be broken. | 
| 
 Stock image of Galaxy Tab 3 9.6 running Android  | |
| Manufacturer | Samsung | 
|---|---|
| Name | Galaxy Tab E 9.6 | 
| Codename | samsung-gtelwifi | 
| Model | SM-T560 | 
| Released | 2015 | 
| Type | tablet | 
| Hardware | |
| Chipset | Spreadtrum SC7730SE | 
| CPU | 4x 1.3 GHz Cortex-A7 | 
| GPU | Mali-400 MP2 | 
| Display | 800x1280 TFT | 
| Storage | 8 GB | 
| Memory | 1.5 GB | 
| Architecture | armv7 | 
| Software | |
Original software The software and version the device was shipped with.  | 
    Android 4.4.4 (Linux 3.10.17) | 
Extended version The most recent supported version from the manufacturer.  | 
    Android | 
| postmarketOS | |
| Category | downstream | 
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.  | 
    3.10.17 | 
| Device package | 
 | 
| Kernel package | 
 | 
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.  | 
    
 Works 
 | 
Screen Whether the display works; ideally with sleep mode and brightness control.  | 
    
 Works 
 | 
Touchscreen  | 
    
 Works 
 | 
| Multimedia | |
3D Acceleration  | 
    
 Untested 
 | 
Audio Audio playback, microphone, headset and buttons.  | 
    
 Broken 
 | 
Camera  | 
    
 Untested 
 | 
| Connectivity | |
WiFi  | 
    
 Works 
 | 
Bluetooth  | 
    
 Untested 
 | 
GPS  | 
    
 Untested 
 | 
| Miscellaneous | |
FDE Full disk encryption and unlocking with unl0kr.  | 
    
 Untested 
 | 
USB OTG USB On-The-Go or USB-C Role switching.  | 
    
 Untested 
 | 
| Sensors | |
Accelerometer Handles automatic screen rotation in many interfaces.  | 
    
 Untested 
 | 
Contributors
Maintainer(s)
Users owning this device
User Interfaces
- Gnome starts but is pretty unusable
 - Phosh/Plasma Mobile do not work (require mainline)
 - Xfce4 works
 
Installation
pmbootstrap initpmbootstrap install --android-recovery-zippmbootstrap flasher --method=adb sideload
What works
- Flashing rootfs and kernel via TWRP
 - Screen
 - Touchscreen
 - WiFi
 
Attention: latest edge won't come up with ssh cause of missing /etc/network/interfaces do a "pmbootstrap chroot -r" create and edit the missing interface file and add: auto lo iface lo inet loopback
After that do a install as usual and network comes up with ssh
What doesn't work
- Audio
 - USB-OTG
 - charging sdl
 
Additional notes
- ADB sideload stops at 50%, but it actually succeeds.
 - The power button instantly shuts down the entire system
 - LightDM Hangs after a while but can be restarted from USB/SSH
 - Some audio devices do show up, but they don't actually work.
 
How atipls made wifi work
How atipls made wifi work (with a bit of confusing detours). Inspired by the (sort of) helpful How_bonsaiblue_made_wifi_work.
- Since the kernel provided by Samsung has built-in support for the BCM4343, enabling it was enough to get wlan0 to show up.
- I actually have tried loading it as a kernel module, which ended up with horrible messages like 
no wifi platform data, skipandDHD wifi platform data is required for Android build 
 - I actually have tried loading it as a kernel module, which ended up with horrible messages like 
 - Grab nvram_mfg.txt and bcmdhd_mfg.bin from /etc/wifi from either a stock install or an unofficial lineageos port.
- I have also tried 
firmware-aosp-broadcom-wlan, but the firmware seems to be newer than wanted thus either not loading or straight up soft bricking the OS. 
 - I have also tried 
 - Bring the interface up: 
$ ip link set wlan0 up - Use XFCE4's menu or 
nmtuito connect to a wifi network. 
Useful key combinations
- home + volume up + power: flash mode (TWRP)
 - home + volume down + power: reboot
 
See also
- Specs on GSMArena.com
 - Wikipedia page
 - Kernel source
 - pmaports!1355 Initial merge request
 
device-samsung-gtelwifi
linux-samsung-gtelwifi- samsung-gtel3g (mostly similar device)