Question: what is the difference between the iphone x and exr?
Answer: The iPhone X is available only in 64 GB and 256 GB models. The iPhone Xs has the same dimensions as the older phone but is 3 grams heavier with weight of 177 grams. This is probably due to the bigger battery which, Apple claims, offer 30 minutes longer back up than iPhone X. The biggest change comes in SIM department.