Q: Unable to check coverage

Howdy BartosJr,

It sounds like the check coverage system is giving an error when you input the purchase date.

Please check out this article for help.

Update your proof of purchase - Apple Support

Update device information online

To update your Apple device information, like the limited warranty expiration date, send us a copy of the original sales receipt:

1. Visit Apple's coverage checker.
2. Enter your device serial number. 
3. Enter the code you see on the screen and click Continue.
4. Upload a copy of your receipt.

Call us to update your information

To update your information by phone, call us. Tell the Advisor that you need help with your Apple Limited Warranty or AppleCare plan expiration date.

Here’s what you’ll need when you call:

• Your AppleCare agreement number 
• The device serial number
• Your sales receipt 

Best regards.

Hi BartosJr,

If you can't Update device information online, then the next step would be to Call us to update your information as above.

Take care.