Samsung Galaxy S III (LTE)

willcast edited this page Sep 27, 2014 · 3 revisions
  • AT&T: also known as d2att or SGH-I747
  • Bell: SGH-I747M
  • Cricket: also known as d2cri or SCH-R530C
  • MetroPCS: also known as d2mtr or SCH-R530M
  • Mobilicity: SGH-T999V
  • Rogers: SGH-I747R
  • Sprint: also known as d2spr or SPH-L710 (verified to work)
  • T-Mobile US: also known as d2tmo or SGH-T999
  • Telus: SGH-I747M
  • U.S. Cellular: also known as d2usc or SCH-R530
  • Verizon: also known as d2vzw or SCH-I535 (verified to work)
  • Wind Mobile: SGH-T999V

XDA page:

These instructions can possibly work on other Qualcomm based S III varieties.

Hardware Specifications

  • SoC: Qualcomm Snapdragon S4 MSM8960
  • CPU: 1.5 GHz Qualcomm Krait, Dual-core
  • RAM: 2 GB
  • GPU: Qualcomm Adreno 225
  • Display: 1280x720, 4.7 inch AMOLED
  • Internal Storage: 16 GB or 32 GB internal flash, accessed as an mmcblk device with partitions
  • External microSDXC card slot
  • Wi-Fi: Broadcom BCM4334 (SDIO)

Kernel Support

Various 3.0 and 3.4 kernels are available. The 3.0 kernel hasn't been explored much yet because it seems to hang pre-userspace when kexec'd from a 3.4 kernel (both are the "KT747" flashable kernels in this test.) Others have reported success with the CyanogenMod 10.2 kernel at branch "cm-10.2_kgsl" on the appropriate repo at the CM github.

Development Progress

Currently, these are working:

  • Framebuffer console (although it has graphical corruption - change module_init to late_initcall)
  • USB OTG and ADB server over USB
  • Wi-Fi with the Broadcom "dhd" driver (brcmfmac will reboot the system with nothing useful in dmesg) - be careful with firmware paths, the _b2 part of the extension should not be specified. Use a modprobe conf file to set the firmware_path= and nvram_path= module parameters at load.
  • The touch screen driver requires a patch to emit single-touch events for After that, it works.
  • with Freedreno (2-D acceleration works, 3-D will cause page faults.) Patches for 2D are no longer required for git versions, as of 09/27/2014.

Untested: Bluetooth, audio and camera. The camera is highly unlikely to work without extra code somewhere. Audio might be doable as it was with the HP Touchpad. Bluetooth should also be possible.

MATE/Arch Linux ARM on Samsung SGH-T999/d2tmo

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