My Samsung Galaxy A3 eats the battery.How can I conserve it

[AC Question]

Even when switched off it uses up battery power

 

[belodion]

Do you mean switched off or fully powered off? If the latter, there is something badly wrong. But if, as you say, just switched off, please post a screenshot of your battery usage stats at the end of a day's use; also, touch the battery graph to open it, and post a screenshot of that too. Then we'll attempt a diagnosis.

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