The version of Android after 4.0.x (Ice Cream Sandwich) in the Android version sequence. Please only use this tag if your question specifically pertains to Jelly Bean and its features.

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Battery drain on Galaxy Note-I after updating to Jelly Bean

I have Galaxy Note-I (N7000), and upgraded to Jelly Bean 4.1 today. The battery drains fast. Do we expect any update from Samsung on the battery drain issue, or do I need to downgrade to ICS?