Cellular Update Failed iOS 14 on iPhone – Fixed 2020 by AndroidTechPark April 14, 2021, 10:18 pm 1.3k Views Cellular Update Failed iOS 14 on iPhone 11, 11 Pro, 11 Pro Max, X, XS, XS MAX, XR, 8, 8 Plus, 7, 7 plus, 6, 6s 6s plus, your iphone cannot make or receive calls or access celular data until it has been updated iphone 7, 7 plus, 8, 8 plus. Share this: See more Previous article Tug The Table 3D Physics War Next article | GOOGLE Fuchsia OS | EXCLUSIVE Preview & Complete Review with Installation and Download Link.