Write to WhatsApp technical support with the question of why Ban and whether it can be broken. According to our statistics, 50% of the numbers are returned. TP responds quickly, within 2-3 hours.
Attention! Even if the number has been returned, the connection on the previously blocked unit must be made according to the instructions:
And, of course, you need to clean up your integration. Make sure UTP has been done. Otherwise, it may be blocked again.