Owners of Xiaomi’s wireless acoustics often face a paradox: the headset is physically in the case, but the phone can’t see it. Users are looking for a way to “find” the device, believing that there is a hidden geolocation or tracking function inside the case itself. However, the reality is that the Bluetooth module of most TWS models (True Wireless Stereo) is turned off when the headphones are placed inside the charging container.
This is done to save battery power. If you keep the case open and the gadget is not displayed in the list of available devices, the problem may lie in a software failure or a discharged battery. Understanding the logic of the Mi True Wireless Earbuds will help avoid panic and quickly restore the connection.
In this article, we will explain why your phone doesn’t see headphones, how to perform a forced search, and what to do if one of your ears is lost inside the case, and you will learn about the nuances of Bluetooth Low Energy and the interfaces of different generations of headsets.
The principle of Bluetooth operation in the charging case
When you put Mi AirDots or Redmi Buds in the case, the special contacts on the legs of the headphones are closed with the pins inside the socket, which signals the power controller to start charging and initiates a shutdown of the radio module, and you can't find a working device in this state because it stops broadcasting the signal.
There is an exception for some flagship models with wireless charging or active search, but even they go into sleep after a few minutes in a closed case.If your phone says "connected" but no sound, check if the headphones are sitting tight in the sockets.
⚠️ Warning: Trying to find headphones through the Find My Device app while they are in a closed case is useless, as it is useless. GPS and Bluetooth modules are de-energized.
To activate the search, you need to remove both earbuds at the same time, and that's when the left and right channel synchronize, and then they become visible to external devices, and the 2-3 seconds delay between retrieval and appearance on the list is normal behavior of the system.
Why the phone doesn't see headphones in the case
The most common reason is the battery discharge of the case or headphones, and if the indicator on the case does not light up when the lid is opened, then there is not enough energy even to start the pairing process, in which case you need to put the case on charge for at least 15-20 minutes.
The second common problem is contact oxidation, and sweat, dust and pile from your pocket create an insulating film that makes the headphones think they're still in your ears, or they don't realize they've been removed.
- 🔋 The case battery is completely discharged and does not supply power to headphones.
- 💾 Failure in Bluetooth module memory requires headset reboot.
- 📱 Power saving mode is enabled on the phone, limiting the search for devices.
- 🔌 Contacts are contaminated and the charging/waking circuit is not closed.
It's also worth checking your smartphone settings. Sometimes Android or iOS will forget the device or cache the device as "unplugged." Try removing the old pairing from the Bluetooth list and start searching again. In rare cases, rebooting the phone itself helps.
Instructions: How to activate the search mode
To force the headphones to go into visibility, you need to do a certain sequence of things. For most Xiaomi and Redmi models, the procedure is standard, but requires accuracy. First, make sure the case is charged.
Open the case cover, but don't remove the headphones yet. Find a function button on the case (usually round and located between the sockets or on the end). If the buttons are not, the touch zones on the headphones themselves act as the activator.
☑️ Algorithm of activation of search mode
If you successfully enter the (pairing) mode, the indicator on the case or on the headphones themselves will flash white or blue (depending on the model). Only after this signal appears, you can search for the device in the Settings menu → Bluetooth → Search for new devices.
⚠️ Note: Do not press the reset button for more than 10 seconds during a normal search, otherwise Factory Reset will start and you will lose your settings.
If the light flashes red, it means a critically low charge, and you can't find the headphones until you're fully charged, and leave them alone for an hour with a high-quality power supply.
Hard Reset for all models
If standard search doesn't work, you need to reset your headphones completely, which brings firmware back to factory status, removing all pairing errors. For different Mi True Wireless series, the commands may differ.
For models without a physical button (such as early Airdots), the "touch reset" method is used: Remove the headphones, touch the touch zones of both at the same time and hold for about 20 seconds until the indicators flash red several times.
Sequence for reset (button on the case):
1. Put the headphones in the case.
2. Open the lid.
3 Press and hold the button 20-30 seconds.
4. wait for the indicator to flash 3 times.
5. Close the lid.After the procedure, remove the device from the Bluetooth list on your phone ("Forget the device") and pair again, which solves 90% of visibility problems.
Model comparison: presence of buttons and indicators
Different generations of Xiaomi acoustics have different control logics, and understanding the differences in your model will help you find the right activation method faster.
| Model | The button on the case | Indication | Feature of discharge |
|---|---|---|---|
| Mi AirDots 1/2 | No. | Headphones. | Sensor retention 20 seconds |
| Redmi AirDots S | Got it (inside) | Inside the case | Button with open doors |
| Mi True Wireless 2/2S | Got it (side) | Front. | 10 seconds retention |
| Xiaomi Buds 3/3 Pro | Got it (inside) | Front. | Double press + retention |
Note that Pro models often have a smart detection feature, where the headphones themselves go into search mode when you first open the case after the connection breaks. If you have one, just close and reopen the lid.
Secret Codes for Engineering Menu
Use of the Xiaomi Earbuds app
For deep customization and troubleshooting, it is recommended to use the official Xiaomi Earbuds app (or Mi Wear for new models), which allows you to see the exact percentage of charge of each headphone separately, which is not possible in the standard Bluetooth menu.
If the app sees the case but does not see the headphones themselves, the problem is guaranteed in the contacts or board of the ears themselves.The app also allows you to update the firmware, which often fixes bugs with loss of connection.
- 📲 Allows you to calibrate sensor control.
- 🔊 Gives access to the equalizer and setting noise reduction.
- 🔍 Shows connection history and battery status.
The app has a "Hearburst Search" feature that makes them squeak loudly, which is useful if you've lost one earbud in the room, but it's out of the case.
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If one headphone is discharged more than the other, the app may not see the pair as a whole. Charge them in the case to 100% before looking for a problem in the software.
Frequent problems and their solutions
Sometimes users are faced with a situation where the phone sees the device but does not connect, or only one headphone is connected, which is a sign of desynchronization of the stereo pair, the left and right channels have lost each other.
The solution is to put both headphones in a case, close the lid, wait 10 seconds, and then remove them simultaneously. If that doesn't work, do the reset described above. Also check if the antivirus on the phone blocks Bluetooth.
⚠️ Warning: If the headphones were bought with hands and the previous owner didn't perform a reset, they may try to connect to his phone.
In rare cases, the problem lies in the smartphone itself. A crowded cache of Bluetooth services can prevent the detection of new devices. Clearing the cache in the Apps section → Show system → Bluetooth → Storage → Cleaning often helps.
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The main rule of search: Xiaomi headphones are visible for connection only when they are removed from the case and are in active standby mode (flashing the indicator).