Quote Originally Posted by Raw Dodge View Post
I used my sandisk 64gb card in my razr with no problems,the same card is in my S3 now, without issues. Like was mentioned put the new card in the phone it will be used in, format it in the phone , then transfer copied files to it from your computer.

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Quote Originally Posted by Veritas99 View Post
I just installed a 64gb class 10 card without any problems. I had to format it via the Maxx HD, not my computer. When I used double twist to transfer my music over, everything worked fine.
great to know!! I cant wait to get my 64 gb card so I can try it out. That was my biggest concern buying this phone over the S3 so it it works, I will be more than happy that I got this phone instead.