Samsung Galaxy Tab A 7.0 (2016) (samsung-gtexswifi)
![]() gtexswifi running xfce4 | |
Manufacturer | Samsung |
---|---|
Name | Galaxy Tab A 7.0 (2016) |
Codename | samsung-gtexswifi |
Released | 2016 |
Category | testing |
Pre-built images | no |
Original software | Android (TouchWiz) |
Original version | 5.1.1 |
Hardware | |
Chipset | Spreadtrum SC8830 |
CPU | Quad-core 1.3 GHz Cortex-A7 |
GPU | Mali-400 MP |
Display | 800x1280 IPS LCD |
Storage | 8GB eMMC 4.5 |
Memory | 1.5GB RAM |
Architecture | ARMv7 |
Type | tablet |
USB Networking | |
---|---|
Flashing |
Works |
Touchscreen |
Works |
Display |
Works |
WiFi |
Partial |
FDE | |
Mainline |
Broken |
Battery |
Works |
3D Acceleration | |
Audio | |
Bluetooth | |
Camera | |
GPS | |
Mobile data | |
Internal storage | |
SMS | |
Calls | |
USB OTG |
Works |
NFC | |
Accelerometer | |
---|---|
Magnetometer | |
Ambient Light | |
Proximity | |
Hall Effect | |
Barometer | |
Power Sensor | |
Built-in DVB | |
---|---|
Camera Flash | |
Keyboard | |
Touchpad | |
USB-A | |
HDMI/DP | |
Ir TX | |
Ir RX | |
Stylus | |
Memory Card | |
Haptics | |
Ethernet | |
FOSS bootloader | |
Note: This page is about Spreadtrum SC8830 variants of Samsung Galaxy Tab A 7.0 (2016) (samsung-gtexswifi). |
This tablet requires a 512-byte header prepended to boot.img before it will even attempt to boot. This header is the letters "DHTB" followed by 508 NULL bytes.[1] |
Supported Models
SM-T280 and SM-T280Q
Contributors
- Zocker1012
- 19atlas
Users owning this device
- 19atlas (Notes: SM-T280, no problem while booting, needs u-boot)
How to enter flash mode
Press Power + Volume Up + Home Button
Installation
We recommend using twrp
After installing twrp, run:
$ pmbootstrap init
$ pmbootstrap install
$ pmbootstrap flasher flash_rootfs # flash SYSTEM
$ pmbootstrap flasher boot # flash boot.img
If didn't boot, prepend DHTB to boot.img you can use this program
$ ./appendheader -i /path/to/boot.img
And flash prepended boot.img with heimdall or twrp!
How to start ssh
ignore warnings
$ ip a # see device
$ sudo ip link set dev enp0s20u<CHANGEME> address 12:12:12:12:12:12
$ ssh user@172.16.42.1
See also
- Samsung_Galaxy_Tab_A_7.0_(2016)_(samsung-gtexslte) (mostly similar device)
- pmaports!5289 Initial merge request