iPhone Users Unblock 999777

Option 1: Check Your Blocked Contacts List

1. Open the Settings app.
2. Scroll down and tap Apps (if applicable), then Phone.
3. Tap Blocked Contacts.
4. Look for 999777 in the list.
5. If you see it, swipe left on the number and tap Unblock.

Option 2: Check Your Messages App

1. Open the Messages app.
2. Search for messages from 999777.
3. Open the conversation.
4. If you see a message indicating the sender is blocked, tap Unblock.

Option 3: Check Filtered or Unknown Senders

1. Open the Messages app.
2. Tap Filters in the upper-left corner (if available).
3. Check Unknown Senders and look for messages from 999777.