nanya dong om. maaf oot. bb 9800 batere msh ori. charge full.. dipake jem 8 pg thn ampe 6 sore.. nah yg aneh.. charge full jam 10mlm trus bb ane matiin full off, paginya pas diidupin udah gak bisa. alias 0%, ape gara2 ane upgrade os-shrink? minta advice nya..