Battery drain : same thing. USB DAC mode seems to work fine ATM. BUT, i'm running MX Linux and i don't have any "winblow$" installed on my machines.Hey sorry for being a bother would it be possible for you to try the same sd card you use with the fa4 with the t3 and check if you have the issues I described above. As I like am trying to confirm if my unit does actually have some issues. Related to the hardware
Also, i've successfully updated the T3 to latest firmware version, no trouble. So, your device may be defective. Or it might be an issue related to "winblow$".
Or both...
Edit : Or perhaps a defective USB port. Either on the DAP or on your computer. Try to connect the DAP on another USB port and see what happens...
Also, i can tell that the quality of the micro SD card inserted in the device is crucial. A good quality card improves performance.
I'm using Lexar 128Gb and keep less than 3000 audio files on this micro SD. And ISO DSD is a must to be honest !
This way the scanning process & library update is lightning fast...
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