My iPad is locked on Activation Error. How do I open it?

See this for help. Turn off Find My iPhone Activation Lock - Apple Support

If this is a used device you purchased from someone, then you are going to have to ask them about removing the device from their account. Otherwise, it is useless to you.

My ipad has the same apple id and password. Never changed and always workes until 2 days ago. Keeps asking for sim puk. Ive never used cellular data on it. How do i activate my ipad?

PUK is a function of your wireless provider - contact

them for assistance.

What happens if you remove the sim and try to activate

the iPad?