Ram-4 rom64. Set fresh condition e ache.. All ok.. No internal or External problem..Battery backup darun. Full details net e check kore dekhe niyen.. location e ese dekhe niye jaben. Charger, headphone and NID copy deya hobe security hisebe. Ojhota msg r call diye birokto korben na sudhu jader neyar iccha ache tarai contact korben.