Updating Bluez on RPi

Update (Jul 9, 2019):
Now, Raspbian Buster, released on 6/20/2019, has bluez 5.50 by default!

This post shows how to update BlueZ on Raspberry Pi from 5.43 (the default version comes with Raspbian Stretch) to 5.50 (released notes [1]). In this post, I assume that you already have a Raspberry Pi 3 B+ or Raspberry Pi Zero W running Raspbian Stretch.

Steps [2]
1. Check Current BlueZ Version
1-1. Before starting, let’s check the current BlueZ version.

bluetoothctl -v

In case of Raspbian Stretch, the BlueZ version should be 5.43.

bluetoothctl -v5.43

2. Install Dependencies
2-1. Update the package list.

sudo apt-get update

2-1. Install the dependencies.

sudo apt-get install libdbus-1-dev libglib2.0-dev libudev-dev libical-dev libreadline-dev -y

3. Install BlueZ
3-1. Download BlueZ source code.


3-2. Uncompress the downloaded file.

tar xvf bluez-5.50.tar.xz && cd bluez-5.50

3-3. Configure.

./configure --prefix=/usr --mandir=/usr/share/man --sysconfdir=/etc --localstatedir=/var --enable-experimental 

3-4. Compile the source code.

make -j4

3-5. Install.

sudo make install

3-6. Reboot Raspberry Pi 3.

sudo reboot

4. Verify Update[3] [4]
4-1. Verify the BlueZ version by issuing the command below.

bluetoothctl -v

The result should be like this:

bluetoothctl -vbluetoothctl: 5.50

[1] BlueZ Release Notes
[2] Installing Bluez 5.44 onto Raspbian? – Stack Exchange
[3] Bluetooth LE upgrade not working – Raspberry Pi Forum
[4] Why does bluetoothd show version 5.37 after installing Bluez 5.45? – Stack Exchange

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