Hello,
In the past, using my cell phone to controll my P4P, I was able to unlock geozones by text messagfe code. How can I unlock zones with my CS over wifi. I can use my cell phone as a mobile hotspot.

Hi there, the Self-Unlocking supports to verify with phone/credit card number, you may refer this link and check later: https://www.dji.com/flysafe/self-unlock
Alternatively, you can write to flysafe@dji.com for further assistance.