so i recently gota a nokia 603 from my dad as a birthday present....i used it for a while and changed some settings...after doing this i decided to do a hard reset on the device.......after the fone restarted i noticed that some of the original apps had gone missing.....and also i cannot access social, nokia store, maps...and other preinstalled apps through mobile data..but its possible to access them through wifi...please help me 