Why does my phone displays an alert that my memory card is a low speed card?
Applicable products：
Tablet，Smartphone
Applicable system:
Unrelated to OS version
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| Why does my phone displays an alert that my memory card is a low speed card? |
Cause:
If your memory card is not UHS-1 or higher or is lower than a Class 10, your phone will indicate that the memory card is a low speed card.
Suggestion:
Low speed memory cards have slow read and write speeds. Some low speed memory cards are incompatible with your phone and may cause your phone to malfunction if used. It is recommended that you use a Class 10 or UHS-1 or higher memory card.
Thanks for your feedback.