Ailunce releaseed the new Firmware 1.60 on 27th May 2019.
Change log:
GPS version Added APRS function.
Address the false frozen issue when adding address book group contacts in the Rx list.
Download link: https://www.ailunce.com/Support/HD1/Software
Learn how does APRS works on HD1?
https://www.ailunce.com/blog/Setting-up-DMR-APRS-on-Ailunce-HD1-DMR-Radio