There are 2 ways to update the SWRemote app.
Locate and tap on the App Store icon.
1. Tap on the Search tab on the bottom right of the screen and search for SWRemote.
Tap on the Update button.
2. Open the App Store, tap on the account icon on the top right of the screen.
A window will open with account information. Any pending updates will be visible as you scroll down (under "Upcoming Automatic Updates.)
Locate the SWRemote in the list, tap Update.
*NOTE** If SWRemote is not listed under the Pending Updates section, then your install is up to date.