Win10 Mobile Preview 14905: Application Update Encountered 0x80073cf9 Error Solution

Microsoft today pushed the first RS2 Preview Update 14905 on Win10 Mobile for Windows Insider Fast Track. This update brings new ringtone settings for Win10 Mobile. There are other improvements, etc., but some netizens encountered a 0x80073cf9 error when applying updates to the store.



how to solve this 0x80073cf9 download error? Most of the error code problems occur on Win10 PC, but also on Windows 10 Mobile phones.
The solution is to change the application installation storage from SD card to built-in storage.
• Go to the phone settings ——system——save page and save the new app selection to this device.

After setting above, there should be no store application update 0x80073cf9 error.
In addition, the Win10 Mobile Build 14905 preview version carefully shifts the application between the SD card and the built-in storage, which is easy to cause the card to wait for the interface. The solution is to uninstall the application in the system storage. The program list is not uninstalled properly, then re-download the app to the store.