The "installation failed try later -2 error" stops users from updating their apps via Samsung App Store. Many Samsung apps such as the Galaxy Gear app bring out updates from time to time and the -2 error simply doesn't let you update or reinstall those apps. This error seems to be associated mostly y with the Android KitKat operating system but it might appear on later Lollipop versions as well.
How to fix Samsung App Store installed failed -2 error
Method 1:
- Simply click on the Samsung App icon and then install the update from the app itself instead of going to the Samsung App Store.
- Go to system settings
- Open "Apps" >> Samsung App Store
- Uninstall Updates - clear cache - clear data
- Go to samsungapps.com and download and install the apk
- Go back to Gear Manager and download the apps