Hello,
Yes, you can read files from a microSD card using a compatible phone. For additional troubleshooting, contact Samsung support at:
1) Call: 1-800-SAMSUNG (ask for Storage Devices)
Available 9AM – 12AM EST (Mon-Fri)
2) Email: samsungmemorysupport@sea.samsung.com
3) LiveChat 9AM-9PM EST (Mon-Fri) -- https://www.livehelpnow.net/lhn/lcv.aspx?d=34834&ms=&zzwindow=0&lhnid=29783
~Samsung Pro