We would like to provide important information regarding the compatibility of the AK HC4 with the iPhone 17 series phones, as well as details on our upgrade service.

The AK HC4 was developed before the release of the iPhone 17. Consequently, units produced prior to the release are not compatible with the iPhone 17 series phones. Please refer to the information below regarding compatibility based on the production date and our support options.

1. Compatibility Information
AK HC4 units produced from January 2026 onwards are fully compatible with the iPhone 17.

2. Support for Existing Customers
Customers who purchased their AK HC4 before January 2026 and wish to use it with an iPhone 17 can apply for a paid motherboard replacement service through our authorized service centers.

3. Contact Information
Please contact the Astell&Kern Official Service Center in your region for further assistance:
(Korea, Germany, China, Hong Kong, Japan)

Thank you for your continued support of Astell&Kern.<o:p></o:p>