How To Check Android Mobile Hardware and Software Before Buying

How To Check Android Mobile Hardware and Software Before Buying Video in Urdu and Hindi Dosto used mobile phone buy karne se pehle ye app zaror try kar lain nahi to apko used mobile khareedne k bad pachtana b par sakta hai, is app se ap mobile ka hardware/software asani se check kar sakte hain. How should I check a mobile phone before buying a second hand mobile phone. is phone tester app ko lazmi try karen.