This is the update page for Galaxy S 2 GT-I9100 from Unknown to Android Jelly Bean 4.1.2 I9100XWLSE. You can update your Galaxy S 2 GT-I9100 to the latest Android Jelly Bean 4.1.2 I9100XWLSE using Samsung Kies or via OTA. However, you can also manually update your Galaxy S 2 GT-I9100 from Unknown using Odin. The firmware details are PDA: I9100XWLSE, CSC: I9100UBLLS3, Version: Jelly Bean 4.1.2, and this only works for Galaxy S 2 GT-I9100 from Unknown. The code I9100UBLLS3 represents the country code for update PDA. It is important to keep your Galaxy S 2 GT-I9100 updated to Android Jelly Bean 4.1.2 I9100XWLSE because the update fixes bugs and increases overall performance.
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!!Important. Manually updating your Galaxy S 2 GT-I9100 from Unknown is not the official procedure for update I9100XWLSE and there are risks that you need to understand. We do not recommend you manually update your device, but if you do, it’s on your own risk.
Pre-Requisites: Drivers for Galaxy S 2 GT-I9100 installed on PC & USB debugging activated (Settings>Developer options>USB debugging).
I9100XWLSE, I9100UBLLS3, I9100XWLSE_I9100UBLLS3_UBL.zip, manually install Android Jelly Bean 4.1.2 I9100XWLSE, update Galaxy S 2 GT-I9100 Unknown, download I9100XWLSE_I9100UBLLS3_UBL.zip, Android Jelly Bean 4.1.2 Unknown
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