You could also consider downloading the maps locally onto your phone so you can use Google maps and navigation in offline mode. This means will just use your phone's GPS and not your data allowance whilst using maps
I have the same issue which is stopping me contacting my bank. I contacted customer services and was told Smarty doesn't (or has chosen not to) support short codes but that they plan to in the future. They were unwilling to provide date. It's pretty ...
