International CDMA On or Off in Mexico on iPhone 6?

I'm going to be traveling to Mexico in the Tijuana / Ensenada area with my iPhone 6. I purchased a 100 MB international data feature. In the Roaming settings (see screenshot), does anyone know if it is better to keep International CDMA on or off? Thanks


That sounds like an amazing trip! Were you planning to use your phone as a phone? Or simply for data and messaging? It really depends on how you want to use it. While in Mexico they do have CDMA services available in some places. You can leave it off if you prefer, however, if you do have trouble getting calls & texts you can turn it on here. I hope you have an amazing trip! 
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