I bought this memory card as a backup for a week-long event that I was photographing, and even after taking about 5,000 pictures, there was probably 75% storage left on the card. I've purchased SanDisk memory cards several times before and have never had a problem.
SAN DISK is a very reliable manufacturer. I have purchased a number of flash drives by this company and have never had any issues. I have reformatted the flash drive many times as I use it to transfer data files as needed and not for long term storage. However, I have used other SanDisk drives for long term (6 years) data storage and the files are just as clean as the day they were created.
So far no issues. Its a great solid phone. Fast and love the camera especially the wide angle lens. I recommend a Fast Write SD memory card like SanDisk Ultra or Extreme 64-128GB. You don't need Pro. Its the perfect size too and I found a great quality case for it. I will post an update in 6 months
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