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GalaxySIIIGTI9300 » History » Version 69

Denis 'GNUtoo' Carikli, 02/28/2020 11:02 PM

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h1. Galaxy S III (GT-I9300)
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{{>toc}}
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|/9. !galaxys3.png! | *Device* | Galaxy S III (GT-I9300) |
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| *Manufacturer* | Samsung |
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| *Release date* | May 2012 |
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| *Codename* | @i9300@ |
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| *Status* | Maintained |
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|/2. *Maintainer(s)* | [[People#Paul-Kocialkowski|Paul Kocialkowski]] |
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| [[People#Wolfgang-Wiedmeyer|Wolfgang Wiedmeyer]] |
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| *Supported models* | GSM: GT-I9300 |
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| *Latest images* | [[ReplicantImages#Replicant-60-0003-images|Replicant 6.0 0003]] |
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h2. Replicant status
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Replicant status for the Galaxy S III (GT-I9300): [[ReplicantStatus#Replicant-60|ReplicantStatus Replicant 6.0]]
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h2. Replicant installation
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To install Replicant on the Galaxy S III (GT-I9300), see the [[RecoveryInstallationWithHeimdall]] and [[MinorVersionUpgrade]] wiki pages.
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h2. Replicant usage
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* Galaxy S III (GT-I9300) compass calibration: [[GalaxyS3I9300CompassCalibration]]
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h2. Replicant build
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Replicant build for the Galaxy S III (GT-I9300): [[GalaxyS3I9300Build]]
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h2. Replicant development
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* Galaxy S III (GT-I9300) UART: [[GalaxyS3I9300UART]]
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h2. Freedom and privacy/security evaluation
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See [[GalaxyS3I9300PrivacySecurityEvaluation]] for more details.
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h2. Research
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h3. Hardware table
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|_. Component |_. Name |_. Source |_. Status |
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| SoC | Samsung Exynos 4412 | "iFixit":http://www.ifixit.com/Teardown/Samsung+Galaxy+S+III+Teardown/9391/2 | Linux kernel support |
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| GPU | Mali 400 | "wikipedia":https://secure.wikimedia.org/wikipedia/en/wiki/Exynos | Linux kernel and secret userspace |
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| Audio Codec | WM8994 | Linux kernel | Linux kernel support (ALSA) |
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| Modem | XMM6260 | Linux kernel | Free userspace implementation: [[Samsung-RIL]]/[[libsamsung-ipc]] |
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| Wi-Fi | BCM4334 | Linux kernel | Linux kernel support, proprietary loaded firmware |
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| Bluetooth | BCM4334 | Linux kernel | Linux kernel support, proprietary loaded firmware |
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| NFC | PN544 | Linux kernel | Linux kernel support |
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| GPS | BCM47511 | "iFixit":http://www.ifixit.com/Teardown/Samsung+Galaxy+S+III+Teardown/9391/2 | Proprietary userspace, no free implementation: [[BCM4751]] |
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| Accelerometer | LSM330DLC | Linux kernel | Linux kernel support, free userspace |
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| Compass | AKM8975 | Kernel sources | Linux kernel support, free userspace |
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| Light/proximity sensor | CM36651 | Kernel sources | Linux kernel support, free userspace |
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| Gyroscope | LSM330DLC | Kernel sources | Linux kernel support, free userspace |
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| Barometer | LPS331AP | Kernel sources | Linux kernel support, free userspace |
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| Camera (back) | S5C73M3 | Linux kernel | Linux kernel support, free userspace |
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| Camera (front) | S5K6A3 | Linux kernel | Linux kernel support, free userspace, proprietary loaded firmware |
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h3. Software Configuration
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* [[GalaxyS3I9300Pit]]: Galaxy S III (GT-I9300) PIT (a partition table)
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h4. Partitions
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|_. PIT |_. Linux name |_. block device |_. mount point |_. partition type |_. Description |_. size @ 16G |
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| BOOTLOADER |/2\3. mmcblk0boot0, not visible on Replicant 6.0 | Unknown, raw data? | The bootloader? |/2. 4M |
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| TZSW | Unknown, raw data? | The signed TrustZone OS |
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| Not visible in the PIT |\3. mmcblk0boot1, not visible on Replicant 6.0 | empty | Unused | 4M |
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| PIT |\3. Not visible on Replicant 6.0, location unknown |\2. The PIT partition table |
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| MD5HDR |\3. Not visible on Replicant 6.0, location unknown | Unknown, raw data? | Used during boot to validate partitions? |
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|\2. BOTA0 | mmcblk0p1 |/2. None |/2. empty |/2. ? |/2. 4M |
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|\2. BOTA1 | mmcblk0p2 |
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|\2. EFS | mmcblk0p3 | /efs | ext4  | modem data partition | 20M |
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|\2. PARAM | mmcblk0p4 | None | tar file, can be unpacked with gnu tar | * Bootloader settings[1]
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* Boot modes[1]
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* Splash screen[1]
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* several JPGs regarding download mode, loading empty battery, hardware/watchdog reset and other | 8M |
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|\2. BOOT | mmcblk0p5 | None | bootimage (mkbootimg) | boot.img partition | 8M |
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|\2. RECOVERY | mmcblk0p6 | None | bootimage (mkbootimg) | recovery partition | 8M |
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|\2. RADIO | mmcblk0p7 | None | Unknown, raw data? | Modem OS partition | 32M |
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|\2. CACHE | mmcblk0p8 | /cache | f2fs | cache partition | 1G |
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|\2. SYSTEM | mmcblk0p9 | /system | ext4 | system partition | 1.5G |
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|\2. HIDDEN | mmcblk0p10 | /preload | ext4 | Samsung promotional medias:
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* Over_the_horizon.mp3
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* Wonders_of_Nature.mp4 | 560M |
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|\2. OTA | mmcblk0p11 | None  | empty | probably only used during OTA updates? | 8M |
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|\2. USERDATA | mmcblk0p12 | /data | ext4 | data partition | 11.5G |
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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."
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h2. Schematics
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h3. FCC
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*FCC ID*: A3LGTI9300A (Grantee code: A3L, Product code: GTI9300A)
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*URL*: https://www.fcc.gov/oet/ea/fccid/ Enter grantee, and product code and click on search.
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*Schematics*: Block diagram operational description and schematics not made public through the FCC.
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h3. Ifixit
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*Device URL*: https://www.ifixit.com/Device/Samsung_Galaxy_S_III#Section_Documents
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*Repair manuals and very partial schematics*:  https://www.ifixit.com/Device/Samsung_Galaxy_S_III#Section_Documents