Samsung Galaxy Tab A 8.0 LTE (2015) (samsung-gt58lte)

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Samsung Galaxy Tab A 8.0 LTE (SM-T355Y)
Samsung Galaxy Tab A 8.0 LTE (SM-T355Y)
Samsung Galaxy Tab A 8.0 LTE (SM-T355Y)
Manufacturer Samsung
Name Galaxy Tab A 8.0 LTE (SM-T355Y)
Codename samsung-gt58lte
Released 2015
Category testing
Original software Android 7.1.1 with Linux Kernel version 3.10.49
Hardware
Chipset Qualcomm MSM8916 Snapdragon 410
CPU Quad-core 1.2 GHz Cortex-A53
GPU Qualcomm Adreno 306
Display 1024x768 (WXGA) PLS
Storage 16 GB
Memory 2 GB
Architecture aarch64
Unixbench Whet/Dhry score 921
Features
USB Networking
Works
Flashing
Works
Touchscreen
Works
Display
Works
WiFi
Works
Xwayland
Works
FDE
Works
Mainline
Works
Battery
Broken
3D Acceleration
Partial
Accelerometer
Works
Audio
Works
Bluetooth
Works
Camera
GPS
Works
Mobile data
Works
SMS
Works
Calls
Works
USB OTG
Broken



Contributors

  • Hello-world-321

Maintainer(s)

Users owning this device

How to enter flash mode

Download mode: When turned off hold Power + Volume Up + Home

lk2nd Fastboot: Boot up the device after installation

Installation

  1. Install lk2nd (alternative bootloader that provides a standard fastboot interface)
  2. Follow Qualcomm_Snapdragon_410/412_(MSM8916)#Installation.

Mainline Kernel Status

Component Model Mainline kernel driver Status
MicroUSB - Yes Working in kernel fork
eMMC (Android lists) Toshiba 400073 (Same as gt510wifi) Yes Working in kernel fork
Battery/Charging/Fuelgauge (Same as gt510wifi) MAX77849 ? Fuel gauge works using MAX77849 drivers
Volume/Power/Home keys GPIO Yes Working in kernel fork
Capacitive keys Part of Zinitix BT532 Touchscreen No Needs driver changes
Accelerometer STMicroelectronics (Same as gt510wifi and matissevewifi) Yes, supported in kernel fork Yes
Light Sensor Capella Micro CM3323 (Same as gt510wifi) Yes Disabled due to display artifacts when changing brightness
Display Samsung S6D7AA0 LSL080AL03 No Working in kernel fork
Backlight IC Texas Instruments lp8556 Not strictly needed Brightness is set through DSI, PWM signal goes to lp8556
Audio PM8916/NXP TFA9895 (Same as a3ulte) Yes Audio & Microphones Work. Speakers are powered by external amp (NXP TFA9895 or similar). Secondary Mic (On Device) uses gpio pin.
Touch Screen Zinitix BT532 Yes Working in kernel fork using BT541 Drivers. Drivers need modification to enable touchkeys.
USB Switch / MUIC Part of MAX77849 (Same as gt510wifi) ? Fuel gauge works using MAX77849 drivers
Proximity sensor Semtech SX9500 (Same as gt510wifi) Yes Missing DT bindings
GPU Adreno 306 Yes Working in kernel fork
Wi-Fi WNC3660B Yes Working in kernel fork, Using the WCN3660B compatible
Bluetooth WCN3660B Yes Working in kernel fork, Using the WCN3660B compatible
GPS Part of Modem DSP Yes Yes
Front camera (Same as gt510wifi) Siliconfile Technologies Inc. SR200PC20 Not sure, but there's a datasheet
Main camera (Same as gt510wifi) Siliconfile Technologies Inc. SR544 Old v4l2 patch for unrelated hardware, may be adaptable to current Mainline

Running some diagnostics programs on Android will likely point out some more info about sensors and any other specifications.

Known Bugs and Workarounds

  • How to charge device ?

Currently the charging circuit does not work. Turn off your device and plug it in. The device will boot and get charged.

  • Display Artifacts during brightness adjustment

Turn display off (lock device using power button) and turn on again to remove artifacts until next brightness change. Auto brightness should be turned off due display bug.

  • Display does not work or Display flickers

You may have the BOE variant of the panel. Verify it in lk2nd.

  • Automatically switch to headset and turn off speakers when headset plugged in or cannot switch to speakers during phone calls

Select headset from settings after plugging in headset (Known issue)

See also