Android phone can't receive messages from a contact: how to solve?

When the Android phone ‌ is able to send out SMS text messages, but will not receive text messages from a specific contact, or list of phone numbers, the issue might be that the contacts are blocked. https://www.helpsmartphone.com/en/articles-android-receive-text-messages-from-contact Having a list of phone numbers, if not only one, from which we cannot receive text messages, it is most probably due to the fact that the phone number has been added on the block list for some reason, which might be an accidental tap on the add to block list option.