What size SIM card do Mintt phones use? Murdo McRae 12 August 2019 10:35 Updated All Mintt phones use the nano - SIM size card - the smallest size Related articles How do I put my SIM card into my new Mintt phone? Are Mintt phones able to be used on all networks in Australia? Are Mintt smartphones certified for use in Australia? Where are Mintt products manufactured? Do Mintt phones have a removable battery? Comments 0 comments Please sign in to leave a comment.