What will happen if I delete and reinstall the Plus! App on my phone? NTUC Link July 12, 2019 06:36 Updated All your deals, rewards and transaction history will remain intact. Related articles What is the Plus! app about? Can I use my phone like a Plus! card by tapping it in store? Do I need to be connected via WiFi or data network when using the Plus! app? How do I update my mobile number, email address or mailing address? The mobile app is not responding - who should I contact?