Galaxy S 3 (I9300)¶

• Table of contents
• Galaxy S 3 (I9300)
  • Replicant status
  • Replicant installation
  • Replicant usage
  • Replicant build
  • Replicant development
  • Freedom and privacy/security evaluation
  • Research
    • Hardware table
    • Software Configuration
      • Partitions
  • Schematics
    • FCC
    • Ifixit

	Device	Galaxy S 3 (I9300)
	Manufacturer	Samsung
	Release date	May 2012
	Codename	i9300
	Status	Maintained
	Maintainer(s)	Paul Kocialkowski
		Wolfgang Wiedmeyer
	Supported models	GSM: GT-I9300
	Latest images	Replicant 6.0 0003

Replicant status¶

Replicant status for the Galaxy S 3 (I9300): ReplicantStatus Replicant 6.0

Replicant installation¶

To install Replicant on the Galaxy S 3 (I9300), see the RecoveryInstallationWithHeimdall and MinorVersionUpgrade wiki pages.

Replicant usage¶

• Galaxy S 3 (I9300) compass calibration: GalaxyS3I9300CompassCalibration

Replicant build¶

Replicant build for the Galaxy S 3 (I9300): GalaxyS3I9300Build

Replicant development¶

• Galaxy S 3 (I9300) UART: GalaxyS3I9300UART

Freedom and privacy/security evaluation¶

See GalaxyS3I9300PrivacySecurityEvaluation for more details.

Research¶

Hardware table¶

Component	Name	Source	Status
SoC	Samsung Exynos 4412	iFixit	Linux kernel support
GPU	Mali 400	wikipedia	Linux kernel and secret userspace
Audio Codec	WM8994	Linux kernel	Linux kernel support (ALSA)
Modem	XMM6260	Linux kernel	Free userspace implementation: Samsung-RIL/libsamsung-ipc
Wi-Fi	BCM4334	Linux kernel	Linux kernel support, proprietary loaded firmware
Bluetooth	BCM4334	Linux kernel	Linux kernel support, proprietary loaded firmware
NFC	PN544	Linux kernel	Linux kernel support
GPS	BCM47511	iFixit	Proprietary userspace, no free implementation: BCM4751
Accelerometer	LSM330DLC	Linux kernel	Linux kernel support, free userspace
Compass	AKM8975	Kernel sources	Linux kernel support, free userspace
Light/proximity sensor	CM36651	Kernel sources	Linux kernel support, free userspace
Gyroscope	LSM330DLC	Kernel sources	Linux kernel support, free userspace
Barometer	LPS331AP	Kernel sources	Linux kernel support, free userspace
Camera (back)	S5C73M3	Linux kernel	Linux kernel support, free userspace
Camera (front)	S5K6A3	Linux kernel	Linux kernel support, free userspace, proprietary loaded firmware

Software Configuration¶

• GalaxyS3I9300Pit: Galaxy S 3 (I9300) PIT (a partition table)

Partitions¶

PIT	Linux name	block device	mount point	partition type	Description
BOOTLOADER	mmcblk0boot0, not visible on Replicant 6.0			Unknown, raw data?	The bootloader?
TZSW				Unknown, raw data?	The signed TrustZone OS
Not visible in the PIT	mmcblk0boot1, not visible on Replicant 6.0			empty	Unused
PIT	Not visible on Replicant 6.0, location unknown			The PIT partition table
MD5HDR	Not visible on Replicant 6.0, location unknown			Unknown, raw data?	Used during boot to validate partitions?
BOTA0		mmcblk0p1	None	empty	?
BOTA1		mmcblk0p2
EFS		mmcblk0p3	/efs	ext4	modem data partition
PARAM		mmcblk0p4	None	Unknown, close to a tarball	* Bootloader settings1 * Boot modes1 * Splash screen1
BOOT		mmcblk0p5	None	bootimage (mkbootimg)	boot.img partition
RECOVERY		mmcblk0p6	None	bootimage (mkbootimg)	recovery partition
RADIO		mmcblk0p7	None	?	Modem OS partition
CACHE		mmcblk0p8	/cache	f2fs	cache partition
SYSTEM		mmcblk0p9	/system	ext4	system partition
HIDDEN		mmcblk0p10	None	ext4	Samsung promotional medias: * Over_the_horizon.mp3 * Wonders_of_Nature.mp4
OTA		mmcblk0p11	None	?	?
USERDATA		mmcblk0p12	/data	ext4	data partition

¹ According to a forum thread on XDA developers "About Params: The params contains the splash screens you see when you turn your phone on and settings which control boot. These settings include UART output, kernel parmeters, and boot modes."

Schematics¶

FCC¶

FCC ID: A3LGTI9300A (Grantee code: A3L, Product code: GTI9300A)
URL: https://www.fcc.gov/oet/ea/fccid/ Enter grantee, and product code and click on search.
Schematics: Block diagram operational description and schematics not made public through the FCC.

Ifixit¶

Device URL: https://www.ifixit.com/Device/Samsung_Galaxy_S_III#Section_Documents
Repair manuals and very partial schematics: https://www.ifixit.com/Device/Samsung_Galaxy_S_III#Section_Documents