Released October 2013, the Evolve measures just 4.7 inches tall, 2.5 wide, and 0.4 inch wide. The Evolve has a soft-touch matte black design on the back with a 5-megapixel back camera. It runs on the Android 4.1 Jelly Bean operating system with a custom Android overlay that brings uniqueness to the phone.
Check if the long press the upper buttons can help you.
If not work Check settings.
Worst case scenario that i never recommend is to download alternative keyboard from play store because it may contain malware.... but thats another choise.