diff --git a/device/testing/soc-qcom-msm8909/APKBUILD b/device/testing/soc-qcom-msm8909/APKBUILD
new file mode 100644
index 000000000..e8eef0d11
--- /dev/null
+++ b/device/testing/soc-qcom-msm8909/APKBUILD
@@ -0,0 +1,35 @@
+pkgname=soc-qcom-msm8909
+pkgdesc="Common package for Qualcomm MSM8909 devices"
+pkgver=1
+pkgrel=0
+url="https://postmarketos.org"
+license="GPL-3.0-or-later"
+arch="armv7"
+options="!check !archcheck"
+depends="soc-qcom-msm8916"
+subpackages="
+	$pkgname-modem
+"
+
+source="
+	msm8909-modem-wwan-port.initd
+	"
+
+package() {
+	mkdir -p "$pkgdir"
+}
+
+modem() {
+	pkgdesc="Modem support for Qualcomm MSM8909 devices"
+	install_if="soc-qcom-msm8909 soc-qcom-msm8916-rproc-all"
+	depends="qmi-utils"
+	install="$subpkgname.post-install"
+	mkdir -p "$subpkgdir"
+
+	install -D -m755 "$srcdir"/msm8909-modem-wwan-port.initd \
+		"$subpkgdir"/etc/init.d/msm8909-modem-wwan-port
+}
+
+sha512sums="
+4a11a35f766af798ca6052dd236094b9aed46cc8761a38437c42d58ab6de6247943c1186d50f70c405df0b73d3d72b6e378a054429505e98c5204391165a4a3a  msm8909-modem-wwan-port.initd
+"
diff --git a/device/testing/soc-qcom-msm8909/msm8909-modem-wwan-port.initd b/device/testing/soc-qcom-msm8909/msm8909-modem-wwan-port.initd
new file mode 100644
index 000000000..75e40ee0b
--- /dev/null
+++ b/device/testing/soc-qcom-msm8909/msm8909-modem-wwan-port.initd
@@ -0,0 +1,48 @@
+#!/sbin/openrc-run
+
+# Based on msm-modem-uim-selection.initd
+
+name="Modem WWAN port"
+description="Activate the WWAN port on the embedded QMI modem"
+
+depend() {
+	need rmtfs
+	before ofono
+	before modemmanager
+}
+
+# All of the logic is placed in the service start method as we want to block
+# other services while the modem isn't ready yet.
+start() {
+	# libqmi must be present to use this script.
+	if ! [ -x "$(command -v qmicli)" ]
+	then
+		eend 1 'qmicli is not installed.'
+		return 1
+	fi
+
+	# Prepare a qmicli command with desired modem path.
+	# The modem may appear after some delay, wait for it.
+	count=0
+	while [ -z "$QMICLI_MODEM" ] && [ "$count" -lt "45" ]
+	do
+		# Check if QRTR is available
+		if qmicli --silent -pd qrtr://0 --uim-noop > /dev/null
+		then
+			QMICLI_MODEM="qmicli --silent -pd qrtr://0"
+			veinfo "Using qrtr://0"
+		fi
+		sleep 1
+		count=$((count+1))
+	done
+	veinfo "Waited $count seconds for modem device to appear"
+
+	if [ -z "$QMICLI_MODEM" ]
+	then
+		eend 2 'No modem available.'
+		return 2
+	fi
+
+	$QMICLI_MODEM --dpm-open-port=hw-data-ep-type=bam-dmux,hw-data-ep-iface-number=1,hw-data-rx-id=1,hw-data-tx-id=1 > /dev/null
+	eend $?
+}
diff --git a/device/testing/soc-qcom-msm8909/soc-qcom-msm8909-modem.post-install b/device/testing/soc-qcom-msm8909/soc-qcom-msm8909-modem.post-install
new file mode 100644
index 000000000..4a4eeb2ac
--- /dev/null
+++ b/device/testing/soc-qcom-msm8909/soc-qcom-msm8909-modem.post-install
@@ -0,0 +1,2 @@
+#!/bin/sh
+rc-update add msm8909-modem-wwan-port default