TL;DR: The GPay UPI Lite Auto-Decline Error U16 occurs when the local offline ledger on your device loses synchronization with your bank’s core servers. To resolve this error instantly, you must disable and re-enable UPI Lite in Google Pay, clear the app’s cache, or toggle your automatic network time settings to realign the security certificates.
Unresolved transaction failures can turn a quick payment at a local grocery store into a stressful situation. In 2026, UPI Lite has become the primary choice for small-value transactions in India, but users frequently encounter the frustrating “Auto-Decline Error U16” on Google Pay.
If you are trying to find a way to Fix GPay UPI Lite Auto-Decline Error U16, this guide provides the exact steps needed to resolve the issue. Before diving into advanced device configurations, check our general guide on the best UPI payment apps to understand how different payment architectures handle local digital wallets.
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