How to turn on music from your Xiaomi phone in your car USB: guide

Connecting Xiaomi smartphone to a car radio recorder through USB-cable seems like a simple task, until you have problems like no sound, no reading errors, or no ability to choose a folder with tracks, NFC), USB-Connection promises more stable playback and charging of the phone, but requires proper settings both on the smartphone and on the head of the machine.

In this article, we will analyze all the nuances: from choosing a cable to setting up a data transfer protocol (MTP/PTP), We will avoid common errors (for example, when the magnifying machine “cannot see” files) and explain why some Xiaomi models (especially the ones that are used in the video). MIUI 14+) They can block access to the storage through USB. You will also learn how to make the tape recorder play music from specific folders, not from the entire device, and what to do if the phone starts charging, but there is no sound.

Important: the instruction is relevant for all modern smartphones Xiaomi, Redmi and POCO (including models from 2023 to 2026, but some steps may vary depending on the version MIUI and the firmware of the car tape recorder.

1. What cables and adapters will be needed

The first and most common mistake is using poor quality or inappropriate cable. USB You need a data cable, not just charging:

• 🔌 Type of connector: most Xiaomi smartphones (except flagships with the USB-C 3.2) will fit the standard cable USB-A → USB-C. For old tapes with USB-B Mini-USB will require an adapter.
• 📶 Transmission speed: the cable must support USB 2.0 or higher: Cheap charging cables often don't transmit data.
• ⚡ Cable length: optimally up to 1 meter. Long cables (more than 1.5 m) can cause loss of connection.
• 🛡️ Certification: avoid no-name cables; choose original from Xiaomi or proven brands (Anker, Baseus).

If your tape recorder has a connector USB-C (It is found in new cars, you can use a cable USB-C → USB-C, But make sure he supports the regime. OTG (On-The-Go. To check, connect the cable to your phone and flash drive - if files are displayed, the cable fits.

⚠️ Note: Some tape recorders (especially in Toyota, Honda cars until 2018) do not support MTP-The default protocol used by Xiaomi, which requires switching the connection mode to the default. PTP Or use an adapter that supports Mass Storage.

2. Set up Xiaomi smartphone before connecting

Before connecting the phone to the tape recorder, you need to configure the parameters. USB-Connecting and accessing files. Here's a step-by-step guide:

1. Open the Settings. → About the phone and tap 7 times on the item Version MIUI, to activate the developer mode (if not already enabled).
2. Back to Settings → Additionally. → For developers and find the configuration option USB By default. Select file transfer (MTP).
3. If there is no option, go to Settings. → Connection and sharing → USB and set the regimen MTP.
4. Turn off the Charging option through USB in the Battery section if it interferes with the transfer of data.

For models on MIUI 14+ (for example, Xiaomi 13/14, Redmi Note 12) Additional permission to access the storage facility may be required USB. For that:

1. Put the phone on the tape.
2. On the phone screen will appear a USB notification for transferring files – tap it.
3. Select Allow Data Access and confirm the action.

If the tape recorder still can’t see files, try switching to mode. PTP (Some car systems (e.g. Pioneer or Alpine) work better with this protocol, although it restricts access to only the folder. DCIM.

3. Connection to the tape recorder: step-by-step instructions

Now, we're going to the connection itself. Put one end of the cable in the phone, the other end in the phone. USB-The next step depends on the model of the head unit:

If the magnetol does not respond to the connection:

• 🔄 Reboot the phone and the tape.
• 🔌 Try another one. USB-port (if there are several).
• 📱 Check if it's blocking. MIUI access (notification "USB-The "debugging" should appear on the screen).

💡

If the radio sees the phone as an "empty device," copy the music to the root folder Music on the phone. Some systems only look for tracks there.

Why the tape recorder can't see music: frequent mistakes and decisions

Even if the connection is installed, the radio may not display files, and here are the main reasons and ways to eliminate them:

Error 1: Wrong file system

Many car systems only support FAT32 (If your phone is formatted in exFAT or NTFS, The radio will not be able to read the files:

• 📁 Move the music to a microSD card formatted in FAT32.
• 🔄 Use the adapter. USB-OTG flash-drive FAT32.

Mistake 2: MIUI block access to folders

Starting with MIUI 12, Xiaomi tightened its storage access policy.If the tape recorder can't see the files:

• 🔓 Allow access to the music folder through Settings → Annexes → Permit management → Files.
• 📂 Move the tracks to the standard folders: Music, Download or MIUI/Music.

Error 3: Protocol incompatibility

If the tape recorder supports only Mass Storage (as an external drive), and Xiaomi offers only Mass Storage. MTP/PTP, Take advantage of one of the ways:

• 🔄 Buy it. OTG-Adapter with Mass Storage support (for example, UGREEN).
• 📱 Install the app USB Mass Storage Enabler (requires root rights).

⚠️ Note: Some radios (such as those in Volkswagen or Audi) block access to smartphones through the use of electronic devices. USB, If they're enabled with Android Auto, in which case, turn off Auto in your phone settings or use Bluetooth.

5. Optimization of playback: folders, playlists, tags

To ensure that the music is played correctly, and the taper sees album covers and track labels, follow these tips:

• 🎵 File format: use MP3 (bitrate 192-320 kbit/s) or FLAC (if the tape is supportive. WMA or AAC — They may not reproduce.
• 📁 Folder Structure: Create separate folders for albums (e.g. Music) → Executive → Some tapes only sort tracks by folder.
• 🏷️ Tags ID3: Check that the tracks have tags (performer, album, genre). MP3Tag (Windows or Star Music Tag Editor (Android).
• 🔄 Cache tape recorders: if tracks aren't updated, reset the audio system cache through the car's settings menu.

An important nuance for Xiaomi owners: if you use cloud storage (such as Mi Cloud or Google Drive), the tape recorder will not be able to play music directly. SD-map.

For ease of playlist management:

• Create a Playlists folder on your phone and put it there.m3u-files (playlists in text format).
• Use applications like Poweramp or VLC Exporting playlists in a compatible format.

6. Alternative means of connection, if USB doesn't work

If you connect through USB It didn’t work, so consider alternatives:

📶 Bluetooth (A2DP)

Pros: wireless connection, support for steering.

Cons: possible sound delays, low quality (codecs) SBC or AAC).

How to connect:

1. Turn on Bluetooth on your phone and in the tape.
2. In Bluetooth phone settings, select Transmit music or A2DP.
3. On the tape, select the Bluetooth Audio source.

📡 FM-transmitter

Suitable for older tapes without Bluetooth/USB. Example of device: Nulaxy KM18.

How to use:

1. Connect the transmitter to the lighter or USB-port.
2. Adjust the frequency on the transmitter and the tape recorder (e.g. 87.5). FM).
3. Connect your phone to the transmitter via Bluetooth or Aux.

⚡ Android Auto / Apple CarPlay

If your radio supports Android Auto, connect your phone through USB and use apps (Spotify, YouTube Music, VLC) reproduce.

For Xiaomi with MIUI 13+ may be required:

• Update Android Auto to the latest version.
• Turn it on. USB-debugging in the developer settings.
• Disable battery optimization for Android Auto.

💡

If the tape does not support modern protocols (MTP, A2DP), The most reliable way is to use OTG-adapter with a flash drive formatted in FAT32.

Frequent questions and problems

Let’s look at the typical situations faced by Xiaomi users when connecting to a machine.

8 Conclusion: Which Connection Method to Choose

Xiaomi Connects to the Machine through the USB It's still one of the most reliable ways to listen to music, but it needs to be tuned properly:

• 🔧 For New Magnetars (2018)+ year: use MTP + cable USB-C → USB-A. Place music in the Music folder.
• 🚗 For older radios: switch to PTP or use OTG-flash-drive adapter FAT32.
• 📶 If USB It doesn’t work: connect via Bluetooth (quality is worse, but easier) or via Android Auto.
• 🔄 For better sound: use files FLAC or MP3 320 kbps and check the tags ID3.

If you often encounter connectivity issues, consider buying a wireless adapter (such as Motorola). MA1 Android Auto or upgrade the tape recorder to a support model USB-C and MTP.

Remember: on smartphones Xiaomi with MIUI 14+ You may need to manually allow access to files every time you connect to the tape recorder, which is a feature of the company’s security policy.