Where is the SIM card on my iPad model number MP6J2LL/A
how do I find the SIM card on my ipad
iPad Pro 12.9-inch, 2nd Gen, Wi-Fi, Cell
Question marked as
If you're sure about that model number, it seems like it is an Apple 12.9" iPad Pro (Mid 2017, 256GB, Wi-Fi Only, Gold). No SIM tray available.
To be sure, read the Axxxx code (xxxx are 4 numbers) on the back of your iPad, then see this:--> Identify your iPad model - Apple Support
Regards
Giulio