Harry Potter: Wizards Unite Portkey not working is based off an annoying bug that occurs from time to time.
People on the Wizards Unite subreddit have complained about a similar problem. Harry Potter: Wizards Unite got mobile gamers excited when it released, especially those who played Niantic Labs' other title Pokemon GO.
Portkeys are an integral part of the game's experience, so a bug causing them to malfunction is pesky. Here's everything you need to know to fix the Portkey Not Working bug in Harry Potter: Wizards Unite.
Harry Potter Wizards Unite Portkey Not Working: How to Fix Portkey Bug
There is nothing more frustrating than trying to unlock your Portkey and the game freezes or crashes. If this keeps happening to you when you attempt to open a Portkey then disable AR+ or switch to Battery Saver Mode.
This should allow players to use Portkeys. If issues still arise, try deleting the application on your phone and re-install it.
Photo courtesy of Niantic Labs