Samsung Mobile — Not charging

Address:

Gondia, Maharashtra

I submit my hanset to service centre.tell me connector is not working.Ireplaced it twice in atwo month.by paying rs 350/- each time.they gave me recipts also.but is not sorted out. finally tey told me mother board problem replace it cost about rs 5500/-.if they told me at fist time why i expend on it rs 700/-who is responsible for that.my cell no is [protected] plz reply me