The RetailBox Fall update is compatible with:
iPhone 6s and later
iPhone SE (1st generation) and later
iPhone
iPad Pro (all models)
iPad Air 2 and later
iPad mini 4 and later
iPad (5th generation) and later
iPad
iPod
iPod touch (7th generation)
iOS 14 and later is required. In an update later this year, RetailBox will require iOS 15 and later.