Jabra headset BT2045 β It's a reliable solution for calls and music, but connecting to Xiaomi smartphones sometimes raises questions. MIUI, conflicts with other Bluetooth devices or outdated drivers. In this article, you will find not only the standard pairing instructions, but also ways to avoid typical errors, adjust the sound for maximum quality, and tips for saving battery life of the headset.
We tested the process on Xiaomi Redmi Note 12 Pro models+, POCO X5 Pro and Mi 11 Ultra with the latest versions MIUI (14.0.5β14.0.12) All recommendations are relevant for Android 12β14, but most of the steps are suitable for older devices. BT2045 or the connection is constantly broken β the article has a section with the diagnosis of malfunctions, including checking the compatibility of codecs and resetting the Bluetooth module settings.
Preparing the headset and phone for connection
Before pairing, make sure both devices are ready to connect. - Jabra BT2045 should be charged at least 30% - with a low battery level, the headset may not appear in the list of available devices:
- π Battery Charge β If the level is below 15%, turn on Power Saving mode, but turn off the Bluetooth limit in the settings (Settings) β Battery β Energy saving regime β Settings β Bluetooth (enabled)).
- π± Version MIUI β obsolete firmware (below) MIUI 12.5) may not support modern Bluetooth codecs. Update the system in Settings β The phone. β Updating the system.
- π§ The state of the headset - if Jabra BT2045 previously paired with another device, reset its settings (press the power button for 10 seconds until the blue and red lights flash).
Important: If your Xiaomi is released before 2020 (like the Redmi Note 8 Pro or Mi 9), the Bluetooth settings may not have the option βAdditional Codec Settings.β BT2045 You will need to manually disable support. AAC and aptX in the engineering menu (instructions in the "Problem Solving" section").
Standard Bluetooth connection
The easiest way to pair is through the Bluetooth menu on your smartphone.
- Activate Search Mode on Jabra BT2045: Hold the power button for 3-5 seconds until the light flashes blue and red (pairing mode.
- On the Xiaomi smartphone, open Settings β Connections and sharing β Bluetooth and turn on the module.
- In the list of available devices, find Jabra BT2045 (It can be displayed as Jabra. BT204x) And tap the name, confirm the pairing if you have a connection request.
- After successful connection, the indicator on the headset will light up blue (standby mode) or green (active connection).
If the device doesnβt appear in the list, try:
- π Reboot the smartphoneβs Bluetooth module (turn off/on Bluetooth or reboot your phone).
- π± Remove the cache of Bluetooth services: Settings β Annexes β Application management β Three dots (menu) β Show system-based β Bluetooth β Warehouse β Clear the cache.
- π§ Reset the Jabra settings BT2045 to factory (see instructions in section "Discharge and reconnection").
βοΈ Preparing for Jabra Connection BT2045
Set up sound profiles and codecs
By default, Xiaomi uses codecs. SBC (basic) or AAC (for Apple devices. However, Jabra BT2045 It supports better aptX, which provides better detail when listening to music:
- Connect the headset to your smartphone (see the previous section).
- Open Settings β Connections and Sharing β Bluetooth.
- Put the badge on. βοΈ near Jabra BT2045.
- Select Additional Settings β Sound quality β Codecs and install aptX (if you donβt have an option, see spoiler below).
To check the current codec, use the Bluetooth Audio Codec Checker app (available on Google Play).If the audio starts to interrupt after switching to aptX, go back to the app. AAC β This indicates an unstable Bluetooth connection.
What to do if you donβt have an aptX option?
| Codecs. | Bitreit | Delay. | Suitable for |
|---|---|---|---|
| SBC | 328 kbps | ~100-200 ms | Calls, podcasts. |
| AAC | 250β320 kbit/s | ~150-250 ms | Music (Apple Music, Spotify) |
| aptX | 352 kbps | ~40-80 ms. | High-quality sound, games |
| aptX LL | 352 kbps | ~30-40 ms. | Professional audio, video |
Advice: If you are using Jabra BT2045 For music streaming via Spotify or YouTube Music, set the stream quality to Very High (320 kbps) in the application settings.
Solving Typical Connection Problems
Even after successful pairing, users face a number of problems: connection breaks, no sound in one earphone, or distortions during playback.
1.The headset is plugging in, but there's no sound
Reasons:
- π The smartphone activates Call Only mode for Bluetooth devices. Solution: Settings β Sound. β Audio-guide β Choose Jabra BT2045.
- π± V MIUI It's enabled the dual audio function, which duplicates the sound on the phone speaker. β Connections β Bluetooth β Additionally. β Double audio (turn off).
- π§ On the headset itself, the microphone is silenced (press the call response button for 2 seconds to unlock).
2.The connection is constantly breaking.
This is a typical problem for Xiaomi smartphones with aggressive battery optimization.
- β‘ Add Bluetooth to the list of "Secure Apps": Settings β Battery β Energy saving regime β Settings β Applications without restrictions β Add β Bluetooth.
- π Turn off the Automatic Bluetooth Shutdown function in Settings β Connections β Bluetooth β Additionally.
- π‘ If the problem occurs in the subway or elevator, it's the interference. SBC (They're more resistant to interference).
π‘
If Jabra BT2045 It turns off during a call, check the Bluetooth Audio settings in the phone app. MIUI Default calls go through the phone speaker. Change that to the phone. β Three dots (menu) β Settings β Sound and vibration β Audio by Bluetooth (enabled).
3.The sound is interrupted or distorted
Distortions are usually associated with:
- π΅ Codec Conflict β Try to Manually Install SBC ptX.
- πΆ Interference from other devices β turn off Wi-Fi or switch to 5 GHz (2.4 GHz causes Bluetooth interference).
- π Low charge headset - recharge the Jabra BT2045 50%+. At levels below 20%, the sound quality is reduced.
β οΈ Note: If the distortion only appears in the left or right earphone, it may indicate a physical malfunction of the headset. Try connecting it to another device (for example, a laptop.
Resetting and reconnecting the headset
If none of these methods work, do a hard Jabra reset. BT2045:
- Turn off the headset (hold the power button for 5 seconds).
- Press the power button. + Volume up button for 10-15 seconds until the indicator starts flashing red and blue alternately.
- Release the buttons β the headset will return to the factory settings.
- Repeat the pairing process (see the "Standard Connection" section).
After discharge, it is also recommended:
- π² Delete Jabra BT2045 from the list of paired devices on the smartphone (Settings) β Bluetooth β Press on. βοΈ β Remove the device).
- π Reboot the phone (this will clear the Bluetooth stack cache).
- π§ Update the firmware of the headset through the official Jabra Sound software+ (available on Google Play).
β οΈ Attention: Jabra dump BT2045 removes all paired devices, including call history and uniformity settings (EQ). If you have used custom presets in the Jabra Sound app+, They'll have to be reconfigured.
π‘
Resetting the headset is a last resort. Before you try reconnecting it in Xiaomi Safe Mode (press the power button). β "Safe Mode. If the connection is stable in safe mode, the problem is in a third-party application (most often in battery optimizers or antiviruses).
Optimizing Jabra's work BT2045 Xiaomi
To make the most of the headset, set the following parameters:
1. Battery charge savings
Jabra BT2045 standby ~5% charge per hour to extend the operating time:
- β±οΈ Set an automatic shutdown timer in Jabra Sound+ (Settings β Auto-disconnection β After 10 minutes of inactivity).
- π΄ Turn off voice notifications (if you don't use voice assistant): Settings β Voice prompts β Turn it off.
- π In the settings MIUI Turn off the βAdaptive Batteryβ for Bluetooth: Settings β Battery β Energy saving regime β Adaptive battery β Turn off for Bluetooth.
2.Configuring the microphone for calls
If the interviewees complain of poor hearing:
- π€ Turn on "Noise Suppression" in Jabra Sound+ (Settings β Microphone β Noise suppression β On.).
- π In the Xiaomi phone app, activate βVoice Improvementβ: Phone β Settings β Sound and vibration β Improving voice.
- π If the sound is too quiet, increase the microphone volume in the engineering menu (instructions in the spoiler below).
How to increase the volume of the microphone in Xiaomi?
3. Use with two devices (multipoint)
Jabra BT2045 Supports connection to two devices at the same time (e.g., a smartphone and a laptop) to activate this feature:
- Spare the headset with the first device (Xiaomi smartphone).
- Turn off Bluetooth on your smartphone.
- Activate the pairing mode on Jabra BT2045 (Hold the power button for 5 seconds and connect to the second device.
- Turn on Bluetooth on your smartphone β the headset will automatically switch between devices depending on the activity (call, music playback).
Limitation: Jabra multipoint mode BT2045 It only uses codecs. SBC or AAC. To switch to aptX, you will have to disable the second device.
Alternative ways of connecting
If your Bluetooth connection is unstable, consider alternatives:
1. Connection via Bluetooth 5.0 adapter
Some Xiaomi users are facing problems with the outdated Bluetooth module in the smartphone (especially in models until 2021).
- π Avantek USB Bluetooth 5.0 (connects via the OTG).
- π§ 1Mii B06 Pro (supports aptX) LL).
Instructions:
- Connect the adapter to the smartphone through OTG-cable.
- Activate the pairing mode on Jabra BT2045.
- In Bluetooth settings, select the adapter as the primary audio device.
2.Use of the Jabra Sound application+
Official Jabra Sound app+ permitting:
- ποΈ Set up an equalizer (presets for music, podcasts, calls).
- π Monitor the level of charge of the headset.
- π Update Jabra firmware BT2045.
- π§ Activate My Sound Mode (personalized sound settings).
Download the app from Google Play and follow the setup instructions.
3. Connection through NFC (if maintained)
Some Xiaomi models (e.g. Mi 11 or Redmi) K50 Pro) support rapid pairing through NFC. For that:
- Turn it on. NFC on a smartphone (Settings) β Connections β NFC).
- Touch the back of the phone to NFC-tagged BT2045 (It is usually located next to the power button).
- Confirm the pairing on the smartphone screen.
Note: Jabra BT2045 lacking NFC-This method only works with adapters (e.g. Jabra Link 380).