Samsung Mobile — Worst service from samsung

Address:

Bangalore, Karnataka

Samsung galaxy core2….() I buyed a Samsung galaxy core 2 handset on the date of 18th sep 2014 …in that I had a some issue like no battery backup so I called the samsung customer care and they told that to visit the service centre …so that I visited the service centre in service centre they checked and told me that it is an battery issue…so that we will replace the battery so that your handset will becomes in normal condition…..so that I am agreed in that time….after servicing the handset I collected back my handset…..and I used for 2days ….but I had a same issue….so that again I visited the service centre and told …. So they told we will replace the handset….. so that I am agreed in that time…..after few days I got a new handset…after getting my new handset I used for only 4days ……but I had same issue like no battery backup…….hanging issue…over heating ….so that I called the customer care …..so that they told to visit again service centre……..so as per they request I visited again to the service centre ……so they kept handset for an observation for 2 days …after they told for this purpose we will replace the motherboard …..so that your handset will becomes in normal condition…that time I argued with them after that they told once again we will replace the handset……….so that once again im agreed to there words….and I asked still how many days I have to wait for second replacement …..so that they told that it will takes 7 days time to replace the handset……..after 7days I got second replacement……present now I am using second replacement handset but still im facing the same issue…… I don’t no why they are doing these type of service………..i never thought of these type of worst service…………….