There is a general issue with some Apple products when the operating system has not been updated recently. This is an error throughout the internet which causes problems on some websites. This issue can be bypassed by ordering with a laptop or updating your Apple operating system on your phone or IPAD to the latest IOS.
If you prefer, please email email@example.com and include the items you wish to order. We will email you in return a payment method to overcome this issue with some Apple products.