A gray flickering bar on your iPhone X/8/7/6/6s? The article contains several ways to fix iPhone screen flickering problems.
Is your 3D touch not working after iOS 13/12 update in iPhone X/8/7/6? Read the below article to find some best solutions to fix 3D touch not working.
This article explains how to stop iPhone X/8/8 Plus/7/7 Plus/SE/6s/6s Plus/6/6 Plus from downloading old emails.These methods have been tested and deliver the desired results.