Open apps like Truecaller , Hiya , RoboKiller , or Nomorobo . Inspect the "Blocked" or "Spam" history tab for legitimate numbers.
This process flushes cellular caches without erasing personal data (photos, messages, apps). Note: You will need to re-enter saved Wi-Fi passwords. how to unblock incoming calls
Lower the protection threshold inside the app settings from "Block All Risks" to "Basic Protection." Open apps like Truecaller , Hiya , RoboKiller , or Nomorobo
Open Settings > Phone > Blocked Contacts . Swipe left on any number and tap Unblock . Open apps like Truecaller
Go to Settings > System > Reset options > Reset Wi-Fi, mobile & Bluetooth (or Reset network settings ). Check Carrier Spam Apps & Shortcodes