diff --git a/device/testing/device-xiaomi-markw/APKBUILD b/device/testing/device-xiaomi-markw/APKBUILD
new file mode 100644
index 000000000..cffe8ee8d
--- /dev/null
+++ b/device/testing/device-xiaomi-markw/APKBUILD
@@ -0,0 +1,30 @@
+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-xiaomi-markw
+pkgdesc="Xiaomi Redmi 4 Prime"
+pkgver=1.0
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="aarch64"
+options="!check !archcheck"
+depends="postmarketos-base mkbootimg linux-postmarketos-qcom-msm8953"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+nonfree_firmware() {
+	pkgdesc="WiFi, Bluetooth, Modem, Display and GPU Firmware"
+	depends="firmware-xiaomi-markw"
+	mkdir "$subpkgdir"
+}
+sha512sums="
+282bda182bc7439bafbb5e85da15797b7d96c34945fd312ef45f369581767a25d9c6d0a768abdf6a4562deff096e732f39b5e9efe2533e6d75b1b065a63efc93  deviceinfo
+"
diff --git a/device/testing/device-xiaomi-markw/deviceinfo b/device/testing/device-xiaomi-markw/deviceinfo
new file mode 100644
index 000000000..e217757a3
--- /dev/null
+++ b/device/testing/device-xiaomi-markw/deviceinfo
@@ -0,0 +1,37 @@
+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="Xiaomi Redmi 4 Prime"
+deviceinfo_manufacturer="Xiaomi"
+deviceinfo_codename="xiaomi-markw"
+deviceinfo_year="2016"
+deviceinfo_dtb="qcom/msm8953-xiaomi-markw"
+deviceinfo_append_dtb="true"
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_gpu_accelerated="true"
+deviceinfo_chassis="handset"
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="1080"
+deviceinfo_screen_height="1920"
+deviceinfo_getty="ttyMSM0;115200"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_kernel_cmdline="earlycon console=ttyMSM0,115200 PMOS_NO_OUTPUT_REDIRECT"
+deviceinfo_generate_bootimg="true"
+deviceinfo_flash_offset_base="0x80000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x00000100"
+deviceinfo_flash_pagesize="2048"
+deviceinfo_flash_sparse="true"
+
+# osk-sdl
+deviceinfo_modules_initfs="msm panel_mdss_nt35596_ebbg panel_mdss_r63350 atmel_mxt_ts edt_ft5x06"
+deviceinfo_mesa_driver="msm"
+
diff --git a/device/testing/firmware-xiaomi-markw/30-gpu-firmware.files b/device/testing/firmware-xiaomi-markw/30-gpu-firmware.files
new file mode 100644
index 000000000..3364b8f4c
--- /dev/null
+++ b/device/testing/firmware-xiaomi-markw/30-gpu-firmware.files
@@ -0,0 +1,6 @@
+/lib/firmware/postmarketos/a506_zap.b00
+/lib/firmware/postmarketos/a506_zap.b01
+/lib/firmware/postmarketos/a506_zap.b02
+/lib/firmware/postmarketos/a506_zap.mdt
+/lib/firmware/postmarketos/a530_pfp.fw
+/lib/firmware/postmarketos/a530_pm4.fw
diff --git a/device/testing/firmware-xiaomi-markw/APKBUILD b/device/testing/firmware-xiaomi-markw/APKBUILD
new file mode 100644
index 000000000..07489f328
--- /dev/null
+++ b/device/testing/firmware-xiaomi-markw/APKBUILD
@@ -0,0 +1,38 @@
+# Maintainer: vipaoL <vipaolmail@gmail.com>
+
+pkgname=firmware-xiaomi-markw
+pkgver=1
+pkgrel=0
+pkgdesc="Firmware files for Xiaomi Redmi 4 Prime (markw)"
+url="https://gitlab.com/vipaoL/firmware-xiaomi-markw"
+arch="aarch64"
+depends="firmware-xiaomi-markw-initramfs"
+license="proprietary"
+options="!strip !check !archcheck !spdx !tracedeps pmb:cross-native"
+
+_commit="8cc7f7d9e56aa9fa0193403b694115d759eafaf2"
+
+source="$pkgname.tar.gz::$url/-/archive/$_commit/$pkgname-$_commit.tar.gz
+	firmware.files
+	30-gpu-firmware.files"
+subpackages="$pkgname-initramfs:firmware_initramfs"
+
+package() {
+	cd "$srcdir/$pkgname-$_commit/"
+	while IFS="" read -r _i || [ -n "$_i" ]; do
+		[ ! -d $(dirname $_i) ] && mkdir -p $(dirname $_i)
+		install -Dm644 $_i "$pkgdir/$_i"
+	done < "$srcdir/firmware.files"
+}
+
+firmware_initramfs() {
+	mkdir "$subpkgdir"
+	install -Dm644 "$srcdir"/30-gpu-firmware.files -t \
+		"$subpkgdir"/usr/share/mkinitfs/files
+}
+
+sha512sums="
+f57ec60776f0cfd89ccc0f4a561aa261367b299796b4a9121814c560eab7a28b3049a3defcc129942098b88937fad8f6c3bbf2d1ac7d89d4175c8ec4014c1a8a  firmware-xiaomi-markw.tar.gz
+da36a1dee69c3dd2bbd5557a547b93ab23a2e8993fe1c735ebd25cc6258b54e981daca9d3461c848835e623f7c7694c73bcb05527170ab3ea171049d5352c703  firmware.files
+302c0bec754bb79ef561c1a8d4ff34ba52b904c853bce6a15a79ba7b5b7a3d02c1c75bbe86d59be7b608a6dc744dd3e3c638eaa4539c53d20fa55fa5ea397d74  30-gpu-firmware.files
+"
diff --git a/device/testing/firmware-xiaomi-markw/firmware.files b/device/testing/firmware-xiaomi-markw/firmware.files
new file mode 100644
index 000000000..7066facda
--- /dev/null
+++ b/device/testing/firmware-xiaomi-markw/firmware.files
@@ -0,0 +1,202 @@
+./lib/firmware/postmarketos/smplap64.mdt
+./lib/firmware/postmarketos/modem.b04
+./lib/firmware/postmarketos/modem.b07
+./lib/firmware/postmarketos/widevine.mdt
+./lib/firmware/postmarketos/dhsecapp.b01
+./lib/firmware/postmarketos/cmnlib.b04
+./lib/firmware/postmarketos/cmnlib.b03
+./lib/firmware/postmarketos/qmpsecap.b02
+./lib/firmware/postmarketos/secauth.b01
+./lib/firmware/postmarketos/mlipay.b01
+./lib/firmware/postmarketos/modem.b17
+./lib/firmware/postmarketos/wcnss.b00
+./lib/firmware/postmarketos/adsp.b02
+./lib/firmware/postmarketos/fpcta.b05
+./lib/firmware/postmarketos/smplap64.b02
+./lib/firmware/postmarketos/qdsp6m.qdb
+./lib/firmware/postmarketos/cppf.b05
+./lib/firmware/postmarketos/cmnlib.b00
+./lib/firmware/postmarketos/cmnlib.b02
+./lib/firmware/postmarketos/cmnlib.b05
+./lib/firmware/postmarketos/goodixfp.b04
+./lib/firmware/postmarketos/smplap64.b04
+./lib/firmware/postmarketos/smplap32.b01
+./lib/firmware/postmarketos/fpcta.b03
+./lib/firmware/postmarketos/modem.mdt
+./lib/firmware/postmarketos/cardapp.b05
+./lib/firmware/postmarketos/wcnss.b12
+./lib/firmware/postmarketos/cardapp.mdt
+./lib/firmware/postmarketos/smplap32.b04
+./lib/firmware/postmarketos/wcnss.b10
+./lib/firmware/postmarketos/vsimapp.b03
+./lib/firmware/postmarketos/modem.b16
+./lib/firmware/postmarketos/modem.b00
+./lib/firmware/postmarketos/fpcta.b01
+./lib/firmware/postmarketos/gptest.b06
+./lib/firmware/postmarketos/isdbtmm.mdt
+./lib/firmware/postmarketos/mlipay.b02
+./lib/firmware/postmarketos/venus.b02
+./lib/firmware/postmarketos/securemm.b06
+./lib/firmware/postmarketos/widevine.b00
+./lib/firmware/postmarketos/adsp.b01
+./lib/firmware/postmarketos/goodixfp.b01
+./lib/firmware/postmarketos/smplap64.b05
+./lib/firmware/postmarketos/mdtp.b03
+./lib/firmware/postmarketos/secauth.b02
+./lib/firmware/postmarketos/modem.b10
+./lib/firmware/postmarketos/cppf.b01
+./lib/firmware/postmarketos/mlipay.b06
+./lib/firmware/postmarketos/qmpsecap.b06
+./lib/firmware/postmarketos/smplap32.b02
+./lib/firmware/postmarketos/mlipay.b05
+./lib/firmware/postmarketos/widevine.b04
+./lib/firmware/postmarketos/vsimapp.b06
+./lib/firmware/postmarketos/cmnlib.mdt
+./lib/firmware/postmarketos/isdbtmm.b01
+./lib/firmware/postmarketos/isdbtmm.b03
+./lib/firmware/postmarketos/wlan/prima/WCNSS_qcom_wlan_nv.bin
+./lib/firmware/postmarketos/cardapp.b02
+./lib/firmware/postmarketos/smplap64.b01
+./lib/firmware/postmarketos/wcnss.b11
+./lib/firmware/postmarketos/dhsecapp.b06
+./lib/firmware/postmarketos/secauth.mdt
+./lib/firmware/postmarketos/adsp.b09
+./lib/firmware/postmarketos/cmnlib64.b00
+./lib/firmware/postmarketos/mlipay.b00
+./lib/firmware/postmarketos/dhsecapp.b03
+./lib/firmware/postmarketos/adsp.b03
+./lib/firmware/postmarketos/mba.mbn
+./lib/firmware/postmarketos/secauth.b06
+./lib/firmware/postmarketos/adsp.b11
+./lib/firmware/postmarketos/secauth.b05
+./lib/firmware/postmarketos/qmpsecap.mdt
+./lib/firmware/postmarketos/goodixfp.b06
+./lib/firmware/postmarketos/fpcta.b06
+./lib/firmware/postmarketos/gptest.b05
+./lib/firmware/postmarketos/mlipay.b04
+./lib/firmware/postmarketos/securemm.b00
+./lib/firmware/postmarketos/gptest.b00
+./lib/firmware/postmarketos/widevine.b05
+./lib/firmware/postmarketos/securemm.b01
+./lib/firmware/postmarketos/isdbtmm.b05
+./lib/firmware/postmarketos/cppf.b03
+./lib/firmware/postmarketos/goodixfp.b00
+./lib/firmware/postmarketos/adsp.b13
+./lib/firmware/postmarketos/goodixfp.mdt
+./lib/firmware/postmarketos/wcnss.b04
+./lib/firmware/postmarketos/cppf.b02
+./lib/firmware/postmarketos/vsimapp.mdt
+./lib/firmware/postmarketos/fpcta.mdt
+./lib/firmware/postmarketos/goodixfp.b05
+./lib/firmware/postmarketos/cardapp.b00
+./lib/firmware/postmarketos/widevine.b06
+./lib/firmware/postmarketos/goodixfp.b02
+./lib/firmware/postmarketos/cppf.b06
+./lib/firmware/postmarketos/adsp.mdt
+./lib/firmware/postmarketos/wcnss.b09
+./lib/firmware/postmarketos/smplap64.b03
+./lib/firmware/postmarketos/cmnlib64.b01
+./lib/firmware/postmarketos/qmpsecap.b03
+./lib/firmware/postmarketos/vsimapp.b02
+./lib/firmware/postmarketos/isdbtmm.b06
+./lib/firmware/postmarketos/fpcta.b02
+./lib/firmware/postmarketos/smplap64.b00
+./lib/firmware/postmarketos/mlipay.b03
+./lib/firmware/postmarketos/mdtp.b02
+./lib/firmware/postmarketos/mdtp.b05
+./lib/firmware/postmarketos/cmnlib64.b02
+./lib/firmware/postmarketos/dhsecapp.mdt
+./lib/firmware/postmarketos/venus.b03
+./lib/firmware/postmarketos/cardapp.b06
+./lib/firmware/postmarketos/smplap32.b00
+./lib/firmware/postmarketos/modem.b09
+./lib/firmware/postmarketos/wcnss.mdt
+./lib/firmware/postmarketos/venus.b00
+./lib/firmware/postmarketos/fpcta.b04
+./lib/firmware/postmarketos/adsp.b05
+./lib/firmware/postmarketos/mdtp.b00
+./lib/firmware/postmarketos/cppf.b04
+./lib/firmware/postmarketos/adsp.b00
+./lib/firmware/postmarketos/venus.b01
+./lib/firmware/postmarketos/gptest.mdt
+./lib/firmware/postmarketos/cardapp.b04
+./lib/firmware/postmarketos/securemm.b05
+./lib/firmware/postmarketos/wcnss.b02
+./lib/firmware/postmarketos/mlipay.mdt
+./lib/firmware/postmarketos/modem.b06
+./lib/firmware/postmarketos/widevine.b02
+./lib/firmware/postmarketos/venus.mdt
+./lib/firmware/postmarketos/modem.b11
+./lib/firmware/postmarketos/dhsecapp.b05
+./lib/firmware/postmarketos/secauth.b03
+./lib/firmware/postmarketos/vsimapp.b00
+./lib/firmware/postmarketos/goodixfp.b03
+./lib/firmware/postmarketos/fpcta.b00
+./lib/firmware/postmarketos/dhsecapp.b00
+./lib/firmware/postmarketos/widevine.b01
+./lib/firmware/postmarketos/mdtp.b04
+./lib/firmware/postmarketos/smplap32.mdt
+./lib/firmware/postmarketos/gptest.b01
+./lib/firmware/postmarketos/smplap64.b06
+./lib/firmware/postmarketos/adsp.b06
+./lib/firmware/postmarketos/modem.b20
+./lib/firmware/postmarketos/isdbtmm.b02
+./lib/firmware/postmarketos/qmpsecap.b00
+./lib/firmware/postmarketos/adsp.b04
+./lib/firmware/postmarketos/securemm.b03
+./lib/firmware/postmarketos/gptest.b04
+./lib/firmware/postmarketos/cmnlib64.b03
+./lib/firmware/postmarketos/secauth.b04
+./lib/firmware/postmarketos/gptest.b03
+./lib/firmware/postmarketos/modem.b01
+./lib/firmware/postmarketos/cmnlib64.b04
+./lib/firmware/postmarketos/cppf.b00
+./lib/firmware/postmarketos/cardapp.b03
+./lib/firmware/postmarketos/gptest.b02
+./lib/firmware/postmarketos/venus.b04
+./lib/firmware/postmarketos/securemm.b02
+./lib/firmware/postmarketos/adsp.b08
+./lib/firmware/postmarketos/securemm.b04
+./lib/firmware/postmarketos/isdbtmm.b00
+./lib/firmware/postmarketos/modem.b19
+./lib/firmware/postmarketos/qmpsecap.b04
+./lib/firmware/postmarketos/vsimapp.b04
+./lib/firmware/postmarketos/vsimapp.b01
+./lib/firmware/postmarketos/mdtp.b01
+./lib/firmware/postmarketos/cmnlib.b01
+./lib/firmware/postmarketos/vsimapp.b05
+./lib/firmware/postmarketos/isdbtmm.b04
+./lib/firmware/postmarketos/wcnss.b01
+./lib/firmware/postmarketos/cppf.mdt
+./lib/firmware/postmarketos/smplap32.b05
+./lib/firmware/postmarketos/mdtp.b06
+./lib/firmware/postmarketos/smplap32.b03
+./lib/firmware/postmarketos/modem.b02
+./lib/firmware/postmarketos/adsp.b12
+./lib/firmware/postmarketos/modem.b05
+./lib/firmware/postmarketos/qmpsecap.b01
+./lib/firmware/postmarketos/adsp.b07
+./lib/firmware/postmarketos/qmpsecap.b05
+./lib/firmware/postmarketos/modem.b08
+./lib/firmware/postmarketos/smplap32.b06
+./lib/firmware/postmarketos/dhsecapp.b04
+./lib/firmware/postmarketos/mdtp.mdt
+./lib/firmware/postmarketos/secauth.b00
+./lib/firmware/postmarketos/cmnlib64.b05
+./lib/firmware/postmarketos/modem.b18
+./lib/firmware/postmarketos/modem.b13
+./lib/firmware/postmarketos/cardapp.b01
+./lib/firmware/postmarketos/securemm.mdt
+./lib/firmware/postmarketos/modem.b12
+./lib/firmware/postmarketos/dhsecapp.b02
+./lib/firmware/postmarketos/gptauuid.xml
+./lib/firmware/postmarketos/wcnss.b06
+./lib/firmware/postmarketos/widevine.b03
+./lib/firmware/postmarketos/cmnlib64.mdt
+./lib/firmware/postmarketos/adsp.b10
+./lib/firmware/postmarketos/a506_zap.mdt
+./lib/firmware/postmarketos/a506_zap.b01
+./lib/firmware/postmarketos/a506_zap.b00
+./lib/firmware/postmarketos/a506_zap.b02
+./lib/firmware/postmarketos/a530_pfp.fw
+./lib/firmware/postmarketos/a530_pm4.fw