Consumer Redressal

i have purchased one handset(nokia x202)in the monthe of june 2013..just after 1 week i found some problems regarding software.(like memory full.delete some items,)so i formatted my phone.but again after one month this sofware problems arise..again i hav to format my phone..every month i have to go to the nokia service centre for servicing of my mobile..but in this case the nokia company(ekdalia branch)service centre tol me\"We would like to tell you that “memory full, delete some data” is a kind of problem which is based on usage of the phone. This problem occurs when most of the data is stored in phone memory instead of mmc, also the cache files of browser fills up the phone memory and this problem occurs. The only solution to this problem is formatting the phone.\" so my question is is this thing is normal?????????if i hav to go to the service centre every now an then for formatting my phone then i would like to be happy with out any phone...and this not a solution.i hope..again the n