diff --git a/device/testing/device-raspberry-pi4/APKBUILD b/device/testing/device-raspberry-pi4/APKBUILD
index 65ee104d9..06d1220e0 100644
--- a/device/testing/device-raspberry-pi4/APKBUILD
+++ b/device/testing/device-raspberry-pi4/APKBUILD
@@ -44,7 +44,7 @@ nonfree_firmware() {
 sha512sums="
 439c2700066589c72a8b83d4eeefca07f42acf0f2297724079e7d03c25f29d48e866106872142bc5fc373447a12ae389ee15e5a1ff811cb2146c296aa6f7b802  deviceinfo
 5dcc5fb223c4e0a2ffca7da92c8d9b87c230ac9f53d21d1e0d8f49fb3419b7f8d44a3116769bf20ab8a8f0595eee041970e1a0661a8a5feb60e94dc3307c75dc  config.txt
-a2db3354ce5ab7dde8a2a276f24cb7230294db25a18cb2702636bfee54f3a0fd659ae4c789d117c353d5e2fd028e39ea57405aa454d06b5325b839ec7c83070b  usercfg.txt
+18c5809f939260281637c1493009b724cfdc80efba8321fcad7bb4c252833eb75596326df06dcf8986693a501fa11d54680393ceccdec42e347fdd78d37417c9  usercfg.txt
 ae3de0b8fec07d3a283dc3c06bf8678eec1e65c9faf0b7f4fdc9fb92751e324d1f8e2fb224dbbf561b7e5a6fb34769bfa1657858375f74b101a130d78e0737e2  cmdline.txt
 7e5505cb07d5b4a81bd28443d508336b5c547356538f1c06f91ed93ad0d7d456d4f74f1d24df5a2e08c17e74f0a66607352ac4874e967e9a91dfec9522d2d58d  95-vchiq-permissions.rules
 "
diff --git a/device/testing/device-raspberry-pi4/usercfg.txt b/device/testing/device-raspberry-pi4/usercfg.txt
index e28ec21c7..a71584f7f 100644
--- a/device/testing/device-raspberry-pi4/usercfg.txt
+++ b/device/testing/device-raspberry-pi4/usercfg.txt
@@ -36,3 +36,9 @@ dtparam=audio=on
 #hdmi_group=2
 #hdmi_mode=87
 #hdmi_cvt 800 480 60 6 0 0 0
+
+# Automatically enable Bluetooth without having to use btattach
+# Note that the Pi's Bluetooth interface is connected via hardware UART;
+# if you intend to use it for other purposes (for example, serial debugging)
+# comment out the line below.
+dtparam=krnbt=on