The minimum supported version of the Viva Terminal App is the 4.8.0.
This means that your device* will be unable to accept payments unless you update the Viva Terminal App to the latest version.
Steps to update Viva Terminal app
1. Open Google Play / App Store
2. Search for "Viva Terminal App"
3. Tap on the "Update" button
*Smartphones and tablets running Viva Terminal App
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Viva Wallet Contactless Terminal powered by Google Play
Mini Card Reader connected to Android devices via Bluetooth or USB