1. Open My Maps (PC / macOS) or Manage Maps (iOS/Android) and hit the Sync button
This will connect to Anquet Cloud, and bring down the latest map definitions for your account.
2. Verify the maps you wish to update.
Once the sync has finished, any maps you download or verify will have the latest mapping. You can opt to verify either a full map product such as ‘OS 50k Subscription’ in which case OMN will verify each of the 10 maps inside that product, or you can verify individual maps.