Card reader doesn't work. But....

[CarlTrec]

Tab S9+ - If I connect the card reader directly, it doesn't work. "High-power USB device connected. Unable to access this device. The connected device requires an external power supply."  If I connect it using a simple T-adapter, it works. Explanation? 

 Carl🤔

[RobertZ]

Try asking in the tablet forum.

[Helenna]

Hi CarlTrec,

The error occurs because the card reader likely draws more power than the Tab S9+ can supply directly. When you use the T-adapter, it might help distribute or reduce the power load, allowing the card reader to function. Some adapters may manage power requirements better, preventing the "high-power" error.