Open the Contacts app.
Find the number you previously blocked.
Scroll down and tap Unblock (or "Remove from block list"). Method 3: Via Contacts App (Best for saved contacts) If you blocked a contact saved in your address book: how to unblock calls on android
Tap the three dots (⋮) in the top-right corner (or "More" on some phones).
Tap Settings from the dropdown menu.
Open the Phone app (the green call icon).
Tap the number or the info icon (ⓘ) next to it. Open the Contacts app
Since Android phones vary by manufacturer (Samsung, Google, OnePlus, Xiaomi, etc.) and software version, this guide covers the that work across virtually all devices. Method 1: Using the Phone App (Fastest for individual numbers) This is the best method if you know you blocked a specific number and want to unblock it quickly.