Samsung Galaxy S2 Guide: Updated 23 January, 2013 at 14:32 GMTSupport


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  1. Slug

    Slug Check six! Moderator

    Welcome to the Samsung Galaxy S2 (International) section!

    Important note regarding model variants:
    There are an increasing number of different Handsets being marketed as Galaxy S2 models. To avoid confusion, please note that the vast majority of topics within this section concern the version of the Galaxy S2 (GT-i9100, Exynos SOC @ 1.2GHz, 21Mbps HSPDA+/WiMax), and sub-variants such as the GT-i9100M (Bell Canada) GT-i9100P (NFC-enabled) and GT-i9100T.

    Other notably-different Galaxy S2 variants (with their official model numbers and links to the relevant Android Forums section/stuck thread where applicable) are:

    AT&T Galaxy S2 (SGH-i777)
    AT&T Galaxy S2 Skyrocket (SGH-i727; Qualcomm Snapdragon @1.5GHz, LTE)
    Sprint Epic 4G Touch (SPH-D710)
    T-Mobile Galaxy S2 'Hercules' (SGH-T989; Qualcomm Snapdragon S3, 42Mbps HSPDA+)

    Samsung Galaxy S2 G-variant (GT-i9100G; OMAP 4430 @ 1.2GHz)
    Samsung Galaxy R (GT-i9103; SLCD display, Tegra 2 @ 1.08GHz)

    If in any doubt, and to avoid expensive mistakes, double-check the Model Number listed in Settings/About phone.

    Rather than having a million different stickies, we've combined all sticky-worthy threads (and other useful links) into one thread for you. However, please note that the All Things Root section has it's own guide thread. If you feel anything should be added/removed from this thread, feel free to PM any of the Guides/Mods and we'll sort it for you.

    Samsung Support Website
    Support for Galaxy S II

    General:
    Galaxy S2 User Manual (pdf downloads)
    Samsung Galaxy S2 (GT-i9100) Service Manual (pdf documents in RAR archive)
    Tips & Tricks
    Folders Created by Apps and Widgets
    Identifying Samsung Galaxy S2 and LTE Models
    Samsung Galaxy S2 - Wikipedia

    Firmware - News and discussion

    Check FUS 2.0 (web version) - Check for firmware updates for your Samsung device
    SamFirmware.com - News
    Official Samsung firmwares (XDA)
    Official carrier-branded firmwares (XDA)
    Samsung Galaxy S2 modem (radio) firmwares (Mo Firouz)
    Galaxy S2 Shipped Modem Collection (XDA)
    Official 2.3.4 firmware update via Kies (discussion)
    What do the first two firmware letters mean?
    ICS + CSC = are you eligible for an update?
    Jelly Bean Update - Dummies Guide

    Common Issues/Questions:
    How To Hard-Reset My Handset?
    Battery dies in 10 hours?
    Battery draining 1% every 20mins in idle mode?
    Poor battery
    Impressive battery life after JuiceDefender install

    Heating problems with S2
    Phone heats up & shuts down while playing games

    Need to sync GS2 with Outlook
    Poor wifi reception
    Bluetooth - cannot connect with computer
    Slow screen wakeup?
    SDcard and internal memory got me confused
    USB port problems (randomly entering Car Mode, phantom connections, charging etc)
    Yellowish tint on left side of screen

    Common Terms/Acronyms you may encounter:

    Bootloader - A piece of code that runs before the operating system is started when the phone is turned on. It tells the phone what to boot eg normal boot, recovery mode, download mode.
    CSC - Carrier specific customisation. Contains carrier customisations eg apps
    Firmware - The Operating system. Containing system apps and Android OS
    Kernel - Manages the hardware on the phone eg CPU, Memory etc
    Modem - Manages radio signals eg Wifi, bluetooth, mobile network
    PIT - Partition information table. Used for repartitioning phones memory
    PDA - Not sure what it stands for but it is used to flash firmware and kernel
    Phone - Modem
    ROM - Same thing as Firmware really. (Custom firmware tends to be called ROM)

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  2. Slug

    Slug Check six! Moderator

    This is still a work-in-progress, so suggestions to make it more useful and relevant are very welcome. Please PM myself or another staff member if you have any ideas.
    RossK13, Jugula, s14akb and 3 others like this.
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