Connectivity: Data SIM used: telcel Gaia/device: 1.1/Inari Test app used: https://marketplace.allizom.org/app/onlybango1-50/ If the user tries to buy an app wich has only Bango payments while using a Telcel sim card, the error message displayed is not user friendly. Steps to reproduce: 1 - Open Marketplace app when connected via carrier network connection 2 - Find a paid app with only Bango payment account set and try to purchase it 3 - Enter valid FxA credentials 4 - Enter an already set-up PIN and continue 5 - Observe the UNSUPPORTED_PAY error message Expected bahavior: A user friendly message id displayed informing the user that the application cannot be purchased using a Telcel sim card. Actual behavior: UNSUPPORTED_PAY error message is displayed reproducible: yes

This behavior also happens with the Flame 2.0_Telcel_WIFI and DATA