sony xperia m dual charging problem when i connect it using switch off

[AnilMann]

Dear SIr,

                when i connect my charger to m dual phone in switched on position battery level increase. but when i connect it in switched off position the battery level descrease. This issue is faced in august 2014. Battery also runs out fast. A mic problem also occured. Please Help Me for this issue. Hope for a good response.

Thanks

Best Regards

Anil mann

[_alexdon_]

Have you tried a different cable or adapter?