Quick Tech Trick Type Less with Text Shortcuts for Your Phone
Here are the steps for iPhone, 1. Go to Settings  General  Keyboard, 2. Under Shortcuts, choose Add New Shortcut, 3. Type the full phrase in the phrase box "On my way!" and the shortcut in the Shortcut box "omw", 4. The next time you want to type "On my way!" simply type "omw" and hit the space bar, Here are the steps for the stock version of Android, 1. Go to Settings  Language  Input  Personal dictionary, 2. Hit the plus symbol to add a new term, 3. Type the full phrase in the first box "On my way!" and the shortcut in the Shortcut box "omw", 4. The next time you want to type "On my way!" simply type "omw" and choose "On my way!" from the selection menu above the keyboard, Your version of Android may differ, but it's generally somewhere in the Keyboard and/or Language  Input section of the settings menu. More Quick Tech Tricks