I don't think it's all that suspicious. For example one might reasonably say something like this: "My regular phone is SIM locked and my plan doesn't have int

I don't think it's all that suspicious. For example one might reasonably say something like this: "My regular phone is SIM locked and my plan doesn't have international roaming, so it's useless to carry it. I bought a cheap unlocked phone so I could get a SIM card at my destination, because I only use it when traveling."