Post Description

Model  GT-S6310N
Model name  GALAXY Young
Country  Unknown
Version  Android 4.1.2
Changelist  1556952
Build date  Fri, 11 Jul 2014 08:41:58 +0000
Product code  TNP
PDA  S6310NXXANR5
CSC  S6310NTNPANR4
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Instructions

    Extract (unzip) the firmware file
    Download Odin v3.10.6
    Extract Odin ZIP file
    Open Odin v.3.10.6
    Reboot Phone in Download Mode (press and hold Home + Power + Volume Down buttons)
    Connect phone and wait until you get a blue sign in Odin
    Add the firmware file to AP / PDA
    Make sure re-partition is NOT ticked
    Click the start button, sit back and wait few minutes