Amazon customer
I bought a 64 gb micro sd card from Amazon
https://www.amazon.com/Silicon-Power-SP064GBSTXBU1V20UR-MicroSDXC-Class10/dp/B01MSWFM7K?crid=35DBISLAJ5T38&keywords=sp+micro+sd+card+64gb&qid=1534435579&sprefix=sp+micro&sr=8-5&ref=mp_s_a_1_5