Iphone4s updates ios
Hello everybody im a newbie to apple its my first iphone Im hoping i can get sum helpful advice, Im using a iphone 4s its ios 8 ATM it flashed ios 9 to update i read all bad reviews so didt update its now ios 9 0 2 im struggling update it my wifi is very poor in the area it dosnt always connect So il have use data to update iv tryed but it didt update ? How do i update using my data connection & also how do i no iv enough memory ? Thank you its all VERY NEW SO IM NOT THAT CLUED UP đ
iPhone 4S