How to store NSMutableArray value and get without internet connection in objective c?

NSMutableDictionary *myArrays;

NSMutableArray *newArray = [[NSMutableArray alloc] init];
[myArrays addObject:newArray forKey:someLabel1.text];
[myArrays addObject:newArray forKey:someLabel2.text];
[myArrays addObject:newArray forKey:someLabel3.text];