Samsung Galaxy Tab A 7.0 (2016) (samsung-gtexswifi)

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Samsung Galaxy Tab A 7.0 (2016)
gtexswifi running xfce4
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
Features
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
Sensors
Accelerometer
Magnetometer
Ambient Light
Proximity
Hall Effect
Barometer
Power Sensor
Misc
Built-in DVB
Camera Flash
Keyboard
Touchpad
USB-A
HDMI/DP
Ir TX
Ir RX
Stylus
Memory Card
Haptics
Ethernet
FOSS bootloader
Note Note: This page is about Spreadtrum SC8830 variants of Samsung Galaxy Tab A 7.0 (2016) (samsung-gtexswifi).
Note 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 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