13 Turn Your Screen into a Trackpad
There’s no doubt that composing and editing long text messages can be a hassle — especially when compared to editing text on a computer. But you can actually bring some computer-like functionality to iOS.
If you have a 3D Touch-enabled phone, just press firmly anywhere on the keyboard. If it worked properly, you should see the keyboard characters blank out. From here, you can use the keyboard as a “trackpad” to easily move through and edit text.