APPLE INSIDER
Sometimes you don’t want to use both hands to send a text — maybe you’re holding a coffee, a dog leash, or a particularly squirmy toddler. Whatever the reason, here’s how to set up a one-handed keyboard on your iPhone.
While it’s not uncommon for people to text using both hands, there are a fair amount of people who have been accustom to sending texts with one hand only. However, as smartphones get larger, such as the iPhone 12 Pro Max, one-handed texting can be a real pain in your hand to do.Fortunately, you don’t need to choose between a large phone and one-handed texting. Apple has implemented an easy-to-use solution — the one-handed keyboard. Here’s how you go about setting that up.
Source: APPLE INSIDER