My phone battery is crazy!

[Aka FyahBwoy]

My device jump from 80% battery to 5% on minutes, and when i charge it again it only take 5 minutes to show me a 100% battery, but in another 15 min of normal use the baterry drop faster and the phone show me "low battery" im dont know what to do, i like my nokia 520

 

[Abhishek P]

Try a soft reset.
If it doesn't help, I guess your battery must be replaced

 

[Zulfigar]

Volume down + power button for 10 seconds = soft reset