Whether you’ve accidentally "banished someone to voicemail purgatory" or just decided to forgive an old contact, unblocking on an iPhone is straightforward. Depending on your version of iOS (especially with recent changes in iOS 26), here are the most effective ways to do it. 1. The "Central Vault" Method (Settings) This is the best way to see everyone you’ve ever blocked in one place. For iOS 26 and newer