App updates

How the Android app updates itself, required updates, the beta and older versions.

• How the app updates itselfThe app checks for new versions, downloads the update, checks it and asks Android to install it.
• Required updatesWhen a version is too old to keep using, and what to do.
• The betaTry new features early with the beta build, and how to go back to the stable app.
• Install an older versionDownload an earlier build from the download site if a new version gives you trouble.