Some people take contracts and don't need device, it can be used for a gift or resell to get quick cash. If box is opened, resell value is lower.
A new SIM can be activated on any device.
Mine was opened and turned on in store to "check that its working"...
... so you can activate SIM card in any phone.Most stores have a "subject to in-store activation" disclaimer on deals.
^ThisNothing new. Been like this for years.
Most stores have a "subject to in-store activation" disclaimer on deals.