battery bug, please help me :(

[sagar_patel]

i have tow months old xperia z.,and from two weeks it is occuring a battery problem..when the battry percentage reaches between 50% to 30% it automatically shuts off the device..and again when i keep in charge,after five minutes battery percentage show 53%. which i quite weired,i have done factory settings though i m facing this problem. please,  please help me.

[Uliwooly]

just like the other thread suggest, let your battery drain to 5% or so then charge it to 100% couple times

[sagar_patel]

I have did that thing also two days back.,and today in the morning i faced that problem again..and from past four hours its hasnt been fully charged 

n ya thanks for the reply

[Nishant979]

This bug has been fixed in the new firmware.

[sagar_patel]

well my device is running on 10.3.A.0.423...are you talking about firmware 10.3.1.A.0.244 ?

[Nishant979]

10.3.1.A.0.244