To unblock the accidentally blocked number you need to do the following Press the MENU key Select MESSAGING Scroll down the list and select SETTINGS Select TEXT MESSAGE Select BLOCK NUMBER Highlight the number you wish to unblock and select OPTIONS Select DELETE Select either DELETED SELECTED or DELETE ALL and press OK Briefly press on the ON/OFF button to return to the Main Screen.
It's complicated. It's better to use LEO Privacy. Easy and fast to block all unwanted calls!
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Just a guess....
search for " screening or block number " at phone/numbers or message/text it may help..
then the rest is up to you..