SD card internal storage slow

What phone do you have?
MotoZ2 Play
What plan are you on?
The regular plan with 2 extra gb/month
Does your plan include data, or just talk & text?

Issue Description

The phone memory was full. Added in a Sandisk Extreme U3 SSD card to internal storage. During formatting, the OS warned that the card was too slow. How is this possible since it’s considerably faster than a U1 card which was recommended by Motorola?

No matter the rating of the card, if Android detects that the card is too slow for use as internal storage it will give you this message.

You can try using an app like this to test the speed of the sd card…

A U3 card is rated for at least 30MB/s write speeds.
However, if the sd card is not performing as advertised it might be best to contact Sandisk (or the retailer the card was purchased from) for a replacement.


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