If you've recently noticed your Xiaomi's Bluetooth acting strangely—audio cuts out, disconnects from your watch, or even turns on by itself—you're not alone: There is a known bug affecting some HyperOS models and versionsThe good news is that, when the problem originates from software, it can usually be resolved with a upgrade system and some fine-tuning that you can check in minutes.
In this comprehensive guide you will find everything you need: Which phones and versions are involved, why it happens, how to diagnose whether the fault is hardware or softwareWe'll explain what options you have to mitigate this issue right now and how to prepare for Xiaomi's fix update. We'll also cover key MIUI/HyperOS settings that are often overlooked and cause Bluetooth to activate automatically.
What's going on with Bluetooth on some Xiaomi devices?
Several users have reported cuts and interruptions when using Bluetooth accessories , the Bluetooth headsetsSmartwatches or fitness trackers. In practice, this translates into annoying pauses, micro-cuts, and occasional loss of synchronization, even with completely normal phone use.
The company itself has acknowledged the problem internally and is working on a solution via software updateThis points to a system failure (not a hardware one), so the fix will come in the form of a HyperOS patch.
Affected HyperOS models and versions
Not all of the brand's phones are affected, but among the most cited are two best-sellers. These are the HyperOS devices and builds noted by users.:
- LITTLE X5 Pro 5G: OS2.0.1.0.UMSRUXM, OS2.0.3.0.UMSMIXM and OS2.0.3.0.UMSEUXM.
- Xiaomi 11 Lite 5G: OS2.0.1.0.UKORUXM, OS2.0.1.0.UKOMIXM and OS2.0.1.0.UKOEUXM.
There may be more models with specific issues, but There is no official confirmation for other devices.If you use one of the above, pay special attention to upcoming system updates.
Update coming soon and improvements planned
Beyond correcting the cuts, Xiaomi has been publishing small Bluetooth services framework updates which expand compatibility and improve stability. These include changes such as:
- More compatibility with headphone models and quick-connect pop-up.
- Better detection of third-party Bluetooth accessories.
- More stable and faster connections when pairing and reconnecting.
- Optimized energy management for reduce impact on battery.
- New protocols and adjustments of more efficient pairing.
As soon as the patch that targets the specific bug is ready, HyperOS will deploy it via OTAKeep an eye on the system updates section and device notifications to install it as soon as it appears.
How to update the “Bluetooth version” on your Xiaomi?
In addition to general system updates, some Xiaomi devices may also offer additional updates. Update the "Bluetooth version" from the Bluetooth menu itself.This can improve compatibility and stability without changing the entire system.
- Open Settings and go to Bluetooth.
- Scroll down to “Device Name” and look for “Bluetooth version”.
- If it appears, tap it and check if An update is available. for your model.
If this menu is not on your phone, don't worry: Not all models show itIn that case, you depend on standard HyperOS updates.
Why does Bluetooth sometimes cut out or turn on by itself on my Xiaomi?
There are two common causes that explain strange behavior with the connection: Wi-Fi changes that activate Google services and system settings that allow background scans. When Wi-Fi is turned on or off, some system services initiate the detection of nearby devices and use Bluetooth to assist in this tracking.
If you also have the “Wi-Fi and Bluetooth search” in LocationThe phone may continue searching for devices even if you have manually turned off Bluetooth, creating a feeling that it "turns itself back on."
Xiaomi's internal tests rule out hardware failures.
Before making any major changes, it's a good idea to check if the physical Bluetooth module is working properly. MIUI/HyperOS integrates two diagnostic pathways very useful for testing it or use diagnostic applications.
Test from CIT mode
- Go to Settings> Over the phone.
- Sign in All specifications.
- Tap five times in a row on Kernel version to open the CIT menu.
Inside you'll see lists of components (SIM, SD Card, LED…). Tap on Bluetooth to run the test. If there is no hardware error, the test should indicate this, making the source almost certainly software-related.
Engineer menu with secret code
- Open the app Phone Number.
- Open the dialer and type * # * # * # * # 6484.
From this alternative menu you will be able to Test Bluetooth, Wi-Fi, camera, color, and more to secret codesIt's a quick way to rule out physical damage without going to a service center.
Is it unsafe to have Bluetooth turn on automatically?
In terms of risk, it is not usually critical: To connect a device, you must pair it manually.Even so, with Bluetooth enabled, an identifier (UUID) is periodically broadcast which, in theory, could be used to locate the device. And yes, it does consume some battery power, although the energy impact is small in most scenarios.
Advantages of turning off Bluetooth when you're not using it
If you don't need it, turning it off helps save battery and reduce exposure areaYou also avoid accidental pairings or confusion when routing audio to a nearby device. The trade-off is obvious: you will not be able to use TWS headphones or wearables until it is reactivated.
Prevent Bluetooth from automatically activating in MIUI/HyperOS
The goal here is to neutralize the "triggers" that cause the system or an app to malfunction. turn on Bluetooth without warningWe suggest you go from less to more, starting with the simple things.
1) Review apps and advanced permissions
Some applications ask Google services to activate Bluetooth for searches of nearby devices. Even if they come from Google Play, they can cause the problem to turn on. without displaying a specific permission. Do the following:
- Go to Settings > Bluetooth and, if it exists, open Additional adjustments to see which services last activated it.
- Go to Settings> Applications > Permissions.
- Revoke unnecessary permissions in apps that shouldn't manage "nearby devices", Bluetooth or sports/health functions.
- In that same section, check Autostart in the background and limits which apps can start on their own.
Also, make sure that All apps are up to dateIf you suspect a specific one, try to Restart in Safe Mode to confirm if the behavior disappears without third-party apps.
2) Beware of concentration modes
Concentration modes or productivity profiles may apply automations that touch connections When activated. Check in Settings the section where you manage these modes and verify if the Bluetooth is set to turn on or off with one of them. Deactivate that automation if you don't need it.
3) Check system routines and automations
MIUI and HyperOS allow you to create routines of the type “when connecting the charger”, “upon opening YouTube Musicor “upon entering a location.” Some routines may enable Bluetooth as a conditionCheck Security/Automation or Settings > Special features > Automation and remove or edit any that turn on Bluetooth.
4) Turn off Wi-Fi and Bluetooth location services
- Open Settings > Location.
- Sign in Wi‑Fi and Bluetooth Scanning.
- Turn off Bluetooth search if you don't need it always active.
This avoids the typical "war" where you manually disable Bluetooth but the system It tries to reactivate it to continue scanning.
5) Reset network settings (without deleting your photos)
If none of the above works, it's time to clear the settings. Reset Wi-Fi, mobile data, and Bluetooth It deletes pairings and network preferences, but not your personal files.
- Settings> Connect and share.
- Toca Restart Wi-Fi, mobile networks, and Bluetooth.
- Balance Recover settings and confirm.
Then, wait a couple of minutes without turning on Bluetooth and, if you can, reboot the phoneThis ensures that all processes start from scratch.
If the problem appeared after updating MIUI/HyperOS
When the problem occurs right after a system update, it is usually fixed. with a later patchYou can choose to keep Bluetooth continuously enabled as a temporary mitigation or apply the solutions in this article until a fix is available.
If the situation becomes unbearable, you have the drastic option of reset the phone to factory settingsBefore you do this, back up everything (including your WhatsApp chat backups) to avoid losing information.
- Settings> Over the phone.
- Sign in Factory reset.
- Toca Delete all data and confirm with your credentials.
Hard reset from recovery (clean install)
If your phone didn't come with the MIUI/HyperOS version you're using pre-installed and you've been installing updates, it's possible that some residual file causes conflictsA hard reset leaves the system clean.
- With the phone off, hold power + volume up until you see the Xiaomi logo.
- In recovery mode, navigate with volume to Clear data / Wipe Data and confirm.
- Choose Reboot System Now to restart.
Remember: this process delete all contentMake a backup of important photos, videos, and documents.
When to go to technical service
If the problems persist after all the tests and resets, it is likely that There is a hardware failure in the Bluetooth moduleIn that case, contact Xiaomi support for advice and arrange for repair at an authorized service center.
The warranty usually covers manufacturing defects, but It does not cover damage from impacts or water.If the phone is in good condition, the repair is usually covered at no cost to you.
Notes and useful context
It has been mentioned in official communities and forums that Xiaomi is aware of the issue and is preparing corrective updatesSpecialized media outlets have also covered comparisons between interfaces like One UI and HyperOS, and have highlighted hidden HyperOS features inspired by iOS, which underscores that The brand continues to refine its software and add features.The header image of many similar articles is often edited to illustrate the cases, which is common in this type of guide.
Quick checklist of improvements and adjustments to apply
- Install the updates of the system and, if available, the “Bluetooth version” from Settings > Bluetooth.
- In Settings > Apps > Permissions, revokes access to nearby devices and limits background auto-start.
- Deactivate Wi‑Fi and Bluetooth Scanning in Settings > Location if you don't need it.
- Use CIT or *#*#6484#*#* to rule out hardware failures with internal testing.
- If all else fails, consider reset networks or, as a last resort, factory reset/hard reset.
What to expect after the update?
When the patch that fixes the bug arrives, you should notice End of micro-outages, faster reconnections with your headphones and a more reliable experience with watches and fitness trackers. Compatibility and power management improvements also help Bluetooth Consume less and recognize accessories better Of third parties.
How to detect and apply the update as soon as it appears
In addition to checking Settings > About phone > Upgrade systemPeriodically check Settings > Bluetooth in case your model displays the section “Bluetooth version”Having a good battery or being connected to the charger, and a stable Wi-Fi network, speeds up and ensures the installation.
With all of the above, you should have the problem narrowed down: If it's a software issue, you can mitigate it with adjustments and wait for the patch.If it's a hardware issue, internal tests will tell you, and you can go directly to the service center. In the meantime, disabling background searches, adjusting permissions, and resetting networks are measures that, in practice, They have helped many users regain a stable Bluetooth experience on their Xiaomi, Redmi and POCO. Share this information so more users can learn how to troubleshoot Bluetooth issues on Xiaomi devices..
