I use S9 while my wife use S8+ but in same home at same place her mobile always have more signals than mine.  Also I noticed that many time people told me my mobile is out of reach but my wife mobile is reachable.More surprising is the fact that we b...

Hi, I purchased S9 on 18 June 2018 and last night it's charger has suddenly stopped working.I contacted the vendor and he said charger not covered under warranty. is it so?