Guangzhou Feiao Electronic Technology Co., Ltd.-M33 R2R_FAQ

M33 R2R Technical Support Center

Here you can get M33 R2R series introductory teaching, resource download, troubleshooting or after-sales maintenance services

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support@fiio.net

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40004260826

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2026-01-31
1. User manual, download link of M33 R2R
2026-01-31
2. What should I do if the M33 R2R crashes or freezes? Forget Password?
2026-01-31
3. Buttons and ports instruction of M33 R2R
2026-01-31
4.How to use the D.MODE (Desktop Mode) and super high gain mode on the M33 R2R?
2026-01-31
5.How to access the storage/SD card after connecting the M33 R2R to a computer?
2026-01-31
6.How to upgrade the M33 R2R?
2026-01-31
7.How to install third-party applications?
2026-01-31
8.How to switch the working mode of the M33 R2R?
2026-01-31
9.How to enable the USB DAC function?
2026-01-31
10.How to use the M33 R2R as a Bluetooth receiver?
2026-01-31
11.How to use the M33 R2R as a Bluetooth transmitter?
2026-01-31
12.How to use USB audio function to connect the M33 R2R to an external decoder?
2026-01-31
13. How to output coaxial digital signal from M33 R2R?
2026-01-31
14.Charging and battery life of the M33 R2R
2026-01-31
15.How to use the FiiO Link function?
2026-01-31
16.How to use the AirPlay function?
2026-01-31
17.How to use the DLNA function?
2026-01-31
18.Instructions for Settings->Audio menu
2026-01-31
19.Instructions for Settings->Display
2026-01-31
20.Instructions for Settings->Global menu
2026-01-31
21.How to change the language on the M33 R2R? Lyrics display, screenshot of the M33 R2R
2026-01-31
22.M33 R2R indicator light description
2026-01-31
23.How to use the FiiO Cast function in M33 R2R?