Search results: speed up old iphone

after updating your iphone to ios 11 version, you can still operate your device slower than before. here are 8 ways to speed up the old iphone after updating to ios 11. please

ios 10 version has been officially released by apple, with many exciting new features. however, if using the old iphone as iphone 5s, 5 old lock, ... then updating to ios 10