I loaded the latest databases on my SV Touch using the page below and they worked fine:
Dynon Avionics' offers Aviation and Obstacle data for FREE and is released on the FAA standard 28 day cycle.
dynonavionics.com
US Aviation Database: Valid: August 12 - September 8 (Cycle: 2108)
US Obstacle Database: Valid: August 12 - October 6 (Cycle: 2104)
The 15 July stuff would have expired, no?
If you used the page below (that includes the
SV HDX 16.0.4 Software Update), that page was updated on 12 August with the latest Aviation and Obstacle databases:
Download and get updates to the latest SkyView Software for either HDX, Classic, Touch or SE.
dynonavionics.com
SkyView HDX 16.0.4 Software Package
US Only Quick Update Package - (Updated: 08/12/2021)
Includes:
- SkyView HDX 16.0.4 Software Update (released 07/15/2021)
- US Aviation Database: 08/12/2021 release
- US Obstacles Database: 08/12/2021 release
- EMS Sensor Definitions: 01/14/2021 release
- US Stadium TFRs: as of late 2014