Replicant

h1. Galaxy S III (GT-I9300)

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|/9. !galaxys3.png! | *Device* | Galaxy S III (GT-I9300) |

| *Manufacturer* | Samsung |

| *Release date* | May 2012 |

| *Codename* | @i9300@ |

| *Status* | Maintained |

|/2. *Maintainer(s)* | [[People#Paul-Kocialkowski|Paul Kocialkowski]] |

| [[People#Wolfgang-Wiedmeyer|Wolfgang Wiedmeyer]] |

| *Supported models* | GSM: GT-I9300 |

| *Latest images* | [[ReplicantImages#Replicant-60-0003-images|Replicant 6.0 0003]] |

h2. Replicant status

Replicant status for the Galaxy S III (GT-I9300): [[ReplicantStatus#Replicant-60|ReplicantStatus Replicant 6.0]]

h2. Replicant installation

To install Replicant on the Galaxy S III (GT-I9300), see the [[RecoveryInstallationWithHeimdall]] and [[MinorVersionUpgrade]] wiki pages.

h2. Replicant usage

* Galaxy S III (GT-I9300) compass calibration: [[GalaxyS3I9300CompassCalibration]]

h2. Replicant build

Replicant build for the Galaxy S III (GT-I9300): [[GalaxyS3I9300Build]]

h2. Replicant development

* Galaxy S III (GT-I9300) UART: [[GalaxyS3I9300UART]]

h2. Freedom and privacy/security evaluation

See [[GalaxyS3I9300PrivacySecurityEvaluation]] for more details.

h2. Research

h3. Hardware table

|_. Component |_. Name |_. Source |_. Status |

| SoC | Samsung Exynos 4412 | "iFixit":http://www.ifixit.com/Teardown/Samsung+Galaxy+S+III+Teardown/9391/2 | Linux kernel support |

| GPU | Mali 400 | "wikipedia":https://secure.wikimedia.org/wikipedia/en/wiki/Exynos | 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":http://www.ifixit.com/Teardown/Samsung+Galaxy+S+III+Teardown/9391/2 | 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 |

h3. Software Configuration

* [[GalaxyS3I9300Pit]]: Galaxy S III (GT-I9300) PIT (a partition table)

h4. Partitions

|_. PIT |_. Linux name |_. block device |_. mount point |_. partition type |_. Description |_. size @ 16G |

| BOOTLOADER |/2\3. mmcblk0boot0, not visible on Replicant 6.0 | Unknown, raw data? | The bootloader? |/2. 4M |

| TZSW | Unknown, raw data? | The signed TrustZone OS |

| Not visible in the PIT |\3. mmcblk0boot1, not visible on Replicant 6.0 | empty | Unused | 4M |

| PIT |\3. Not visible on Replicant 6.0, location unknown |\2. The PIT partition table |

| MD5HDR |\3. Not visible on Replicant 6.0, location unknown | Unknown, raw data? | Used during boot to validate partitions? |

|\2. BOTA0 | mmcblk0p1 |/2. None |/2. empty |/2. ? |/2. 4M |

|\2. BOTA1 | mmcblk0p2 |

|\2. EFS | mmcblk0p3 | /efs | ext4  | modem data partition | 20M |

|\2. PARAM | mmcblk0p4 | None | Unknown, close to a tarball | * Bootloader settings[1]

* Boot modes[1]

* Splash screen[1] | 8M |

|\2. BOOT | mmcblk0p5 | None | bootimage (mkbootimg) | boot.img partition | 8M |

|\2. RECOVERY | mmcblk0p6 | None | bootimage (mkbootimg) | recovery partition | 8M |

|\2. RADIO | mmcblk0p7 | None | Unknown, raw data? | Modem OS partition | 32M |

|\2. CACHE | mmcblk0p8 | /cache | f2fs | cache partition | 1G |

|\2. SYSTEM | mmcblk0p9 | /system | ext4 | system partition | 1.5G |

|\2. HIDDEN | mmcblk0p10 | /preload | ext4 | Samsung promotional medias:

* Over_the_horizon.mp3

* Wonders_of_Nature.mp4 | 560M |

|\2. OTA | mmcblk0p11 | None  | empty | probably only used during OTA updates? | 8M |

|\2. USERDATA | mmcblk0p12 | /data | ext4 | data partition | 11.5G |

fn1. According to "a forum thread on XDA developers":https://forum.xda-developers.com/showthread.php?t=1986887 "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."

h2. Schematics

h3. 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.

h3. 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