diff --git a/hosts/yodaTab/configuration.nix b/hosts/yodaTab/configuration.nix
index 3e6dfee..5f4e204 100644
--- a/hosts/yodaTab/configuration.nix
+++ b/hosts/yodaTab/configuration.nix
@@ -40,6 +40,7 @@ in
       ../../modules/firefox.nix
       ../../modules/thunderbird.nix
       #../../modules/digikam.nix
+      #../../modules/android.nix
     ];
 
   networking.hostName = "yodaTab";
diff --git a/hosts/yodaTux/configuration.nix b/hosts/yodaTux/configuration.nix
index 640dde1..d294647 100644
--- a/hosts/yodaTux/configuration.nix
+++ b/hosts/yodaTux/configuration.nix
@@ -40,6 +40,7 @@ in
       ../../modules/firefox.nix
       ../../modules/thunderbird.nix
       ../../modules/digikam.nix
+      ../../modules/android.nix
     ];
 
   networking.hostName = "yodaTux";
diff --git a/modules/android.nix b/modules/android.nix
new file mode 100644
index 0000000..e4b26e2
--- /dev/null
+++ b/modules/android.nix
@@ -0,0 +1,31 @@
+{ config, pkgs, ... }:
+
+{
+  # adb and fastboot
+
+  # https://nixos.wiki/wiki/Android#adb_setup
+  programs.adb.enable = true;
+  users.users.yoda.extraGroups = [ "adbusers" "plugdev" ];
+
+  # plugdev group: https://developer.android.com/studio/run/device
+  # How to add user to new group: https://superuser.com/a/1352988
+  users.groups.plugdev = {};
+
+  # `adb devices` returned the error: no permissions (missing udev rules? user is in the plugdev group)
+  # So I troed two things. The first one had no effect. But the second one fixed it.
+
+  #services.udev.packages = [
+  #  pkgs.android-udev-rules
+  #];
+
+  # `lsusb`
+  #=> Bus 001 Device 008: ID 2a70:d001 OnePlus Technology (Shenzhen) Co., Ltd. ONEPLUS A6003
+  # https://stackoverflow.com/a/53887437
+  #
+  # After adding this, `adb devices` returnes:
+  #=> List of devices attached
+  #=> 21801e97	sideload
+  services.udev.extraRules = ''
+    SUBSYSTEM=="usb", ATTR{idVendor}=="2a70", ATTR{idProduct}=="d001", MODE="0666", GROUP="plugdev"
+  '';
+}