The SMS/MMS app maintains its own blocked table: content://sms/blocked . This table is not automatically synced with the BlockedNumberProvider on unblock. Google Messages and Samsung Messages use a periodic sync job (run every 6-12 hours). Therefore, unblocking a contact does not immediately unblock SMS delivery.
Messages app. While steps can vary slightly by manufacturer (like Samsung or Google Pixel), the general process remains consistent across most modern Android versions. Quick Methods to Unblock a Contact 1. Through the Phone App (Most Common) This is the standard way to view and manage all numbers you have previously restricted. 11 sites How to unblock a number - iPhone & Android - Ultra Mobile Apr 17, 2025 —