{
  "id": "samsung/galaxy-s-ii",
  "vendor": "Samsung",
  "model": "Galaxy S II",
  "aliases": [
    "i9100",
    "samsung-i9100",
    "samsung-i9100-downstream",
    "Samsung Galaxy SII (GT-I9100G)",
    "samsung-i9100g"
  ],
  "category": "phone",
  "status": "open-firmware",
  "projects": [
    {
      "name": "LineageOS, discontinued after 14.1 (i9100)",
      "url": "https://wiki.lineageos.org/devices/i9100/",
      "kind": "firmware",
      "license": "Apache-2.0"
    },
    {
      "name": "Nura/postmarketOS (testing, samsung-i9100)",
      "url": "https://gitlab.postmarketos.org/postmarketOS/pmaports/-/tree/main/device/testing/device-samsung-i9100",
      "kind": "firmware",
      "license": "GPL-3.0"
    },
    {
      "name": "Nura/postmarketOS wiki: Samsung Galaxy SII (samsung-i9100)",
      "url": "https://wiki.nura.eco/wiki/Samsung_Galaxy_SII_(samsung-i9100)",
      "kind": "other",
      "license": "CC-BY-SA-4.0"
    },
    {
      "name": "Nura/postmarketOS (archived: unmaintained, may not boot, samsung-i9100-downstream)",
      "url": "https://gitlab.postmarketos.org/postmarketOS/pmaports/-/tree/main/device/archived/device-samsung-i9100-downstream",
      "kind": "firmware",
      "license": "GPL-3.0"
    },
    {
      "name": "Nura/postmarketOS (archived: unmaintained, may not boot, samsung-i9100g)",
      "url": "https://gitlab.postmarketos.org/postmarketOS/pmaports/-/tree/main/device/archived/device-samsung-i9100g",
      "kind": "firmware",
      "license": "GPL-3.0"
    }
  ],
  "provenance": {
    "sources": [
      "lineageos",
      "postmarketos"
    ]
  },
  "updated": "2026-10-17",
  "identifiers": {
    "sku": [
      "GT-I9100",
      "GT-I9100T",
      "GT-I9100M",
      "GT-I9100P",
      "SC-02C"
    ],
    "chips": [
      "Samsung Exynos 4210",
      "Exynos4210"
    ]
  },
  "install": [
    {
      "project": "LineageOS",
      "method": "usb-bootloader",
      "guide": "https://wiki.lineageos.org/devices/i9100/install/",
      "difficulty": "medium",
      "tools": [
        "Computer with adb and samloader-rs",
        "USB cable"
      ],
      "reversible": "partial",
      "notes": "No longer maintained: there are no official builds, the guide has you build LineageOS from source. Uses Samsung's Download mode; OEM unlock must be enabled in Developer options where the device has it. Installing wipes all data on the device: back it up first."
    },
    {
      "project": "Nura/postmarketOS",
      "method": "other",
      "guide": "https://wiki.nura.eco/wiki/Samsung_Galaxy_SII_(samsung-i9100)",
      "difficulty": "medium",
      "tools": [
        "Computer with pmbootstrap, or a prebuilt image",
        "SD card or USB drive, where the device boots from one"
      ],
      "notes": "No flasher: the image is written to an SD card, USB drive or the internal storage as the device page describes. This is a testing port: what works varies, check the device page."
    }
  ],
  "interfaces": [],
  "claims": [],
  "verification": []
}