Requirements: 5.0+
Overview: Use the best SD card test tool! Test the speed of internal or external storage!
Easy to use even for beginners. Quick tests.
Highlighted features:
* Measure the speed of your external (removable) SD card
* Measure the speed of your internal storage
* Read/write tests, several different settings.
WHAT'S NEW
Added adoptable storage support (sd card is formatted as internal storage)
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More Info:
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https://play.google.com/store/apps/details?id=com.pzolee.sdcardtesterpro