Hello Bigday_28,
Thank you for participating in the Apple Support Communities! We understand that auto-correct and predictive text stop working when you accidentally touch the globe icon on your keyboard using an iPhone. We'd be happy to help provide more information about this behavior.
What you're experiencing can be normal as mentioned in the following support article:
How to use Auto-Correction and predictive text on your iPhone, iPad, or iPod touch - Apple Support
To turn predictive text off or on, touch and hold
or
. Tap Keyboard Settings, then turn on Predictive. Or go to Settings > General > Keyboard, and turn Predictive on or off.
If you have multiple keyboards installed on the iPhone that you do not need, you can remove the additional keyboards, which will also remove the globe icon following the steps here:
Add or change keyboards on iPhone - Apple Support
Take care.