Galaxy S3¶

Table of contents
Galaxy S3

	Device	Galaxy S3
	Manufacturer	Samsung
	Codename	`i9300`
	Ships with root	No
	Root possible	Yes
	SIM Unlocked	Possible
	In production	Yes
	Replicant status	Supported, International GSM flavor (GT-I9300)
	Developers involved	PaulK
	Replicant version	Replicant 4.0
	Last image	Replicant 4.0 0004

Replicant status¶

Replicant status on Galaxy S3: ReplicantStatus

Known freedom issues:

Proprietary and likely signed bootloader
Modem, WiFi, Bluetooth and NFC firmwares are non-free
Modem could access GPS

Installation guide¶

Installation guide for the Galaxy S3: HeimdallRecoveryInstallation

Build guide¶

Build guide for the Galaxy S3: GalaxyS3Build

Technical infos¶

List of the Galaxy S3 firmwares: GalaxyS3Firmwares
Galaxy S3 Compass calibration: GalaxyS3CompassCalibration

Status of the Samsung-RIL modem implementation: Samsung-RIL
Status of the Broadcom 4751 GPS chip implementation: BCM4751

Hardware table¶

Component	Name	Source	Protocol/implementation
SoC	Samsung Exynos 4412	iFixit	Linux kernel
GPU	Mali 400	https://secure.wikimedia.org/wikipedia/en/wiki/Exynos	Linux kernel and secret userspace
Audio Codec	WM8994	Linux kernel	Linux kernel ALSA driver
Modem	XMM6260	Linux kernel	Secret protocol: Samsung-IPC, implemented in libsamsung-ipc and samsung-ril
WiFi	BCM4334	Linux kernel	implemented in WiFi driver
Bluetooth	BCM4334	Linux kernel	implemented in Bluetooth driver
NFC	PN544	Linux kernel	Linux kernel
GPS	BCM4751	iFixit	MEIF, Unknown
Accelerometer	LSM330DLC	Linux kernel	Linux kernel, Samsung-Sensors
Compass	AKM8975	Kernel sources	Linux kernel, free implementation from AKM
Light/proximity sensor	CM36651	Kernel sources	Linux kernel
Gyroscope	LSM330DLC	Kernel sources	Linux kernel
Barometer	LPS331AP	Kernel sources	Linux kernel
Camera	S5C73M3/S5K6A3	Linux kernel	Linux kernel, FIMC, V4l2