Select the “Unblock” option from the pop-up dialog box. Summary Unblocking a number on an Android phone is a simple and straightforward process that can be accomplished in just a few steps.

If calls were automatically flagged as spam by your Android phone or you directly blocked them, attempts to communicate with you are automatically dropped.

Anyone Can Unlock Your Android Without the Password You need Google's latest patch to protect your phone from would-be intruders.