Before you purchase a pre-owned Playdate…
NOTE: This post pertains to Playdates for sale from an unknown seller, on eBay or similar. This post does not apply to refurbished Playdates sold by Panic.
Our #1 tip when buying a Playdate from an unknown seller: make sure the Playdate is no longer registered to the seller.
You can do this by asking them to send you a photo of their Playdate in its current state. Its screen should look like one of these two images:


If you do not have a photo verifying the Playdate’s unregistered state, you can still consider buying the Playdate. But your purchase will come with some risk, and may require extra effort to de-register the Playdate before you can use it.
If you’ve already purchased a Playdate that is still registered…