To unfreeze a specific wallet address or account, first select the token you want to unfreeze or or remove address from blacklist.
This will restore the address trading permissions and allow the address to buy, sell and transfer tokens.
Next is to import the address or addresses you want to unfreeze by clicking on the import button.
Input or upload addresses and click on the submit button to load them.
Next is to select the address or addresses you want to unfreeze by clicking the select [-] icon at the left corner of the address Table just as shown below.
Make sure you select the addresses you want to freeze before proceeding to click on the Unfreeze Account Button.
Wait for the wallet to pop up before signing transaction to complete the process.
This feature requires you retaining the Freeze Authority