- Enable HD Audio in Developer Options to increase sound quality.
- Mobile phone, Bluetooth codec and headset compatibility are key.
- You can check and choose codecs like LDAC, aptX HD, aptX Adaptive or LHDC.
- On Xiaomi, the path is usually Additional Settings > Developer Options > HD Audio.

If you listen to music or podcasts every day, your phone may sound better than you think: Android hides a setting that lets you Improve audio quality on Android activating the call option HD audio, without installing external apps or making complicated changes.
The key is in an advanced system menu. By accessing the Developer Options and enable the HD Audio switch, the phone prioritizes higher fidelity formats. Made with care, does not pose any risks; however, the result depends on the mobile hardware, supported Bluetooth codecs and the headphones or speakers you use.
What is HD Audio on Android?

The call HD audio (also known as high-resolution audio or Hi-Res) encompasses sound formats and streams with more detail than MP3 or basic streaming quality. This improvement is achieved thanks to a higher sampling frequency. already a bit depth higher.
While the CD standard moves in 16 bits and 44,1 kHz, in the Android environment the HD audio aims at least at 24 bits already frequencies of 48kHz or more, being usual 96kHz and even 192kHz on compatible devices. This captures more nuances and dynamic range, getting closer to the original recording.
It is important to keep in mind that this function does not work miracles on its own. perceive the jump, the content must be in good quality, the phone has to bear it and the output device must be compatible. In other words: file, mobile phone and headphones must go hand in hand.
Not all models fully support HD Audio. Some only take advantage of this enhancement when connected compatible headphones or speakers. Therefore, you'll see more or fewer options depending on the device's audio chip and the codecs supported by Bluetooth.
- Check if your mobile offers LDAC in Bluetooth.
- Also search aptX HD o aptX Adaptive.
- In certain models it appears lHDC.
How to enable HD Audio from Developer Options

The most laborious part is enabling the developer menu. Once active, locate the switch HD audio It's simple. The process is similar for virtually all manufacturers, although menu names may vary slightly.
- Sign in Settings > About phone o Device information.
- Press several times on Build Number until the notice appears that Developer Options are active.
- Go back to Settings and enter Developer Options.
- scroll to find HD audio and activate it.
In layers like HyperOS or Xiaomi's MIUI It's usually located in Additional Settings > Developer Options. On One UI (Samsung), Pixel, or other brands, the path may change, but the setting appears within the same Advanced menu.
Compatibility, codecs, and when you'll notice the difference
To take advantage of it, the phone must have suitable hardware. The chipsets of mid-high range (e.g. Qualcomm Snapdragon 700 series or higher and MediaTek Dimensity of comparable categories) usually offer better support of advanced codecs.
Within the Developer Options you can check the section of Bluetooth audio codec and check if LDAC, aptX HD, aptX Adaptive or LHDC appear. If you and your headphones share the same codec, the link will negotiate higher bitrate and stability.
The improvement is especially noticeable with compatible Bluetooth headphones or speakersIf the accessory doesn't support high-resolution codecs, the system will lower the bar to SBC, AAC, or equivalent options, and the change will be minor.
The source also matters: use local tracks in high quality or Hi-Res streaming when available. If the source file is highly compressed, the difference will be limited no matter how much you activate HD Audio.
It is important to remember that, on certain models, the improvement may be minimal when using internal speakers o wired headphonesThe limitation lies in the design of the device itself, not in the function itself.