Upgrading Samsung Galaxy S Advance to Official Jelly Bean 4.1.2 I9070XXLPZ Update Expects for Launcher Lag Problems

Those who among you who’s been waiting for the official Android 4.1.2 Jelly Bean upgrade on your Samsung Galaxy S Advance GT-I9070. Yes, the official Android 4.1.2 Jelly Upgrade is out! that’s a good news. Actually it’s been rolling officially in Russia a few days ago, not once but twice.

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