How can I get the new emojis
How can I get the new emojis
iPhone 7, iOS 14
You can get the new emojis by getting a software update on your phone. See Update your iPhone, iPad, or iPod touch - Apple Support (PH).
For your case, you may go to Settings > General > Software Update. See if you have an option there to update your iPhone 7 to IOS 15.4 which introduces new emojis to your iPhone.
Most people are afraid to do a software update to avoid risking deletion of their data. No worries, your data will not be lost during and after a Software Update. It is still useful however, to back up your data just in case. Learn how to Back up iPhone - Apple Support (PH).