Unable to remove Write protection from PAC3220

Dear All

I want to parametrize PAC3220, but the product has active write protection. I am trying to deactivate write protection but it seems impossible. Please see video on link. 

https://www.youtube.com/watch?v=BCtUSVbumXw&feature=youtu.be

Does anybody know how to solve this issue?

Thank you.

Hi,

On the back of the device, on the top right corner, there is a switch which You have to pull to the back.

See attached image (red arrow).

https://support.industry.siemens.com/cs/de/en/view/109767307

just remove the pin from back side. you will able to unlock write protection.