# Test phases and cycles

To certify your Google Wallet open loop payments, complete the following phases:

| Phases ||
|---|---|
| **Phase 1: Pre-launch** | - Implement transit operator EMV enhancements. - Ensure that the firmware and software for all terminals are up to date. - Provide access for Google to test them in a lab or in real stations. - Send testers with the top 20 Android-powered devices in the region to perform tests. - Test stability and tap success rates. - Perform card verification method (CVM) checks. - Address all launch-blocking bugs. |
| **Phase 2: Post-launch** | - Keep terminals up to date with the latest specification. - To identify issues, continue tests at a reduced frequency. - Monitor tap trends over time. - To increase awareness, implement marketing and promotions. |