How to connect Jabra BT2045 Xiaomi phone: full instructions with solutions to problems

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 MIUI, conflicts with other Bluetooth devices or outdated drivers.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 (14.0.5–14.0.12) All recommendations are relevant for Android 12–14, but most of the steps are suitable for older devices. BT2045 or the connection is constantly broken – 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:

  • πŸ”‹ Battery Charge – 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)).
  • πŸ“± 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.
  • 🎧 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 β€œAdditional Codec Settings.” BT2045 You will need to manually disable support. AAC and aptX in the engineering menu (instructions in the "Problem Solving" section").

πŸ“Š Which headset do you use more often?
Jabra
Sony
Apple AirPods
Another Bluetooth headset
Wired headphones

Standard Bluetooth connection

The easiest way to pair is through the Bluetooth menu on your smartphone.

  1. Activate Search Mode on Jabra BT2045: Hold the power button for 3-5 seconds until the light flashes blue and red (pairing mode.
  2. On the Xiaomi smartphone, open Settings β†’ Connections and sharing β†’ Bluetooth and turn on the module.
  3. 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.
  4. After successful connection, the indicator on the headset will light up blue (standby mode) or green (active connection).

If the device doesn’t appear in the list, try:

  • πŸ”„ Reboot the smartphone’s Bluetooth module (turn off/on Bluetooth or reboot your phone).
  • πŸ“± 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.
  • 🎧 Reset the Jabra settings BT2045 to factory (see instructions in section "Discharge and reconnection").

β˜‘οΈ Preparing for Jabra Connection BT2045

Done: 0 / 4

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:

  1. Connect the headset to your smartphone (see the previous section).
  2. Open Settings β†’ Connections and Sharing β†’ Bluetooth.
  3. Put the badge on. βš™οΈ near Jabra BT2045.
  4. Select Additional Settings β†’ Sound quality β†’ Codecs and install aptX (if you don’t 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 don’t have an aptX option?
If your Xiaomi’s Bluetooth settings don’t have a choice of codecs, it means that the firmware is not available. MIUI Solution: 1. Install an alternative launcher (like Nova Launcher) and use the Bluetooth Auto Connect widget to force a connection from aptX. 2. Activate Developer Mode (Settings) β†’ The phone. β†’ Version. MIUI (tap 7 times) and in the developer menu (Settings β†’ Additionally. β†’ For developers, turn on Bluetooth Debugging. Once you reboot, codecs may appear.

Codecs.BitreitDelay.Suitable for
SBC328 kbps~100-200 msCalls, podcasts.
AAC250–320 kbit/s~150-250 msMusic (Apple Music, Spotify)
aptX352 kbps~40-80 ms.High-quality sound, games
aptX LL352 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:

  • πŸ”Š The smartphone activates Call Only mode for Bluetooth devices. Solution: Settings β†’ Sound. β†’ Audio-guide β†’ Choose Jabra BT2045.
  • πŸ“± 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).
  • 🎧 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.

  • ⚑ 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.
  • πŸ”„ Turn off the Automatic Bluetooth Shutdown function in Settings β†’ Connections β†’ Bluetooth β†’ Additionally.
  • πŸ“‘ If the problem occurs in the subway or elevator, it's the interference. SBC (They're more resistant to interference).

πŸ’‘

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:

  • 🎡 Codec Conflict – Try to Manually Install SBC ptX.
  • πŸ“Ά Interference from other devices – turn off Wi-Fi or switch to 5 GHz (2.4 GHz causes Bluetooth interference).
  • πŸ”‹ Low charge headset - recharge the Jabra BT2045 50%+. At levels below 20%, the sound quality is reduced.

⚠️ 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:

  1. Turn off the headset (hold the power button for 5 seconds).
  2. Press the power button. + Volume up button for 10-15 seconds until the indicator starts flashing red and blue alternately.
  3. Release the buttons – the headset will return to the factory settings.
  4. Repeat the pairing process (see the "Standard Connection" section).

After discharge, it is also recommended:

  • πŸ“² Delete Jabra BT2045 from the list of paired devices on the smartphone (Settings) β†’ Bluetooth β†’ Press on. βš™οΈ β†’ Remove the device).
  • πŸ”„ Reboot the phone (this will clear the Bluetooth stack cache).
  • 🎧 Update the firmware of the headset through the official Jabra Sound software+ (available on Google Play).

⚠️ 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.

πŸ’‘

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:

  • ⏱️ Set an automatic shutdown timer in Jabra Sound+ (Settings β†’ Auto-disconnection β†’ After 10 minutes of inactivity).
  • πŸ“΄ Turn off voice notifications (if you don't use voice assistant): Settings β†’ Voice prompts β†’ Turn it off.
  • πŸ”‹ In the settings MIUI Turn off the β€œAdaptive Battery” 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:

  • 🎀 Turn on "Noise Suppression" in Jabra Sound+ (Settings β†’ Microphone β†’ Noise suppression β†’ On.).
  • πŸ“ž In the Xiaomi phone app, activate β€œVoice Improvement”: Phone β†’ Settings β†’ Sound and vibration β†’ Improving voice.
  • πŸ”Š 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?
1. Activate Developer Mode (7 taps according to version) MIUI In Settings β†’ About the phone). 2. Open Settings. β†’ Additionally. β†’ For developers. 3. Find the Bluetooth Audio debugging option and turn it on. 4. In the same menu, find Bluetooth microphone volume and set it to 5-7 (default 3.

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:

  1. Spare the headset with the first device (Xiaomi smartphone).
  2. Turn off Bluetooth on your smartphone.
  3. Activate the pairing mode on Jabra BT2045 (Hold the power button for 5 seconds and connect to the second device.
  4. Turn on Bluetooth on your smartphone – 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).

  • πŸ”Œ Avantek USB Bluetooth 5.0 (connects via the OTG).
  • 🎧 1Mii B06 Pro (supports aptX) LL).

Instructions:

  1. Connect the adapter to the smartphone through OTG-cable.
  2. Activate the pairing mode on Jabra BT2045.
  3. In Bluetooth settings, select the adapter as the primary audio device.

2.Use of the Jabra Sound application+

Official Jabra Sound app+ permitting:

  • πŸŽ›οΈ Set up an equalizer (presets for music, podcasts, calls).
  • πŸ”‹ Monitor the level of charge of the headset.
  • πŸ”„ Update Jabra firmware BT2045.
  • 🎧 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:

  1. Turn it on. NFC on a smartphone (Settings) β†’ Connections β†’ NFC).
  2. Touch the back of the phone to NFC-tagged BT2045 (It is usually located next to the power button).
  3. Confirm the pairing on the smartphone screen.

Note: Jabra BT2045 lacking NFC-This method only works with adapters (e.g. Jabra Link 380).

FAQ: Frequent questions about Jabra BT2045 Xiaomi

πŸ”Ή Why Xiaomi doesn’t see Jabra BT2045, though the headset is in pairing mode?
The problem may be related to: πŸ“± Bluetooth cache - clear it in Settings β†’ Annexes β†’ Systemic β†’ Bluetooth β†’ Kesh. πŸ”‹ Low charge headset (less than 10%) Recharge it. πŸ“‘ If you're in conflict with other devices, you can turn off all the paired gadgets within 10 meters. If it doesn't work, try connecting the headset to another phone. If it's not visible there, the problem is with the Jabra itself. BT2045 (Possibly a faulty Bluetooth module).
πŸ”Ή How to make sure that Jabra BT2045 It automatically connects to Xiaomi when it is turned on?
V MIUI There's an Auto Connection feature, but it's not stable. To guarantee that you can turn on the connection: Install the AutoBluetooth app from Google Play. In the app settings, add a rule: If Bluetooth is enabled β†’ Connect to Jabra BT2045. In the settings MIUI Add AutoBluetooth to the battery optimization exceptions. Also check that in Settings β†’ Bluetooth β†’ Additionally disabled option "Disable Bluetooth when locking the screen".
πŸ”Ή Can I use Jabra? BT2045 Is there going to be a delay in sound for games on Xiaomi?
Latency (latency) depends on the selected codec: SBC: ~150–200 ms (notable in shooters). AAC: ~100-150 ms (acceptable for quests). aptX LL: ~40 ms (optimum for gaming) To reduce latency: Enable game mode in Settings β†’ Special facilities β†’ Game mode. Developer settings (Settings) β†’ Additionally. β†’ For developers, disable "Disable audio buffer." Use aptX or aptX codecs. LL (To maximize synchronization of sound and video in games (e.g., supported, PUBG Mobile or Call of Duty: Install the sound driver ViPER4Android and activate the option "Fast Bluetooth Transfer".
πŸ”Ή How to Update Jabra Firmware BT2045 via Xiaomi?
Update firmware is possible only through the official application Jabra Sound+: Install the app from Google Play. Connect Jabra BT2045 Open the Jabra Sound.+ and go to Settings. β†’ Firmware update. If an update is available, follow the on-screen instructions (don't turn off the headset during the process!). BT2045 If the process is interrupted, the headset may stop turning on.
πŸ”Ή Why is it in one Jabra headphone? BT2045 quieter than the other?
Causes and solutions: 🎧 Contamination speaker - gently clean the headphone mesh with a cotton swab dipped in alcohol. πŸ”Š Stereo balance imbalance – check the settings in Settings β†’ Special facilities β†’ Stereo balance (should be 50%). πŸ“± Software failure – reset the headset settings (see Reset and Reconnect section"). πŸ”‹ Low charge: with a battery level below 15%, the headset can automatically turn down the volume. If the problem persists, check the headset on another device. If there is an imbalance there, contact Jabra (possible speaker defect).