diff --git a/device/testing/device-oneplus-dumpling/APKBUILD b/device/testing/device-oneplus-dumpling/APKBUILD
new file mode 100644
index 000000000..38b256399
--- /dev/null
+++ b/device/testing/device-oneplus-dumpling/APKBUILD
@@ -0,0 +1,24 @@
+# Reference: <https://postmarketos.org/devicepkg>
+# Contributor: Jami Kettunen <jami.kettunen@protonmail.com>
+
+pkgname="device-oneplus-dumpling"
+pkgdesc="OnePlus 5T"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="aarch64"
+options="!check !archcheck"
+depends="postmarketos-base linux-oneplus-msm8998 mkbootimg mesa-dri-swrast msm-fb-refresher"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="a8064803ccd9e70f1e2a803af39a3ebbc872a57af9a4d0902b4d0b5d7de9ad17fb8cc76dd68da7ee38b2cb2d0d009832ae1bf19e08b8536b3b8529c12056dfb7  deviceinfo"
diff --git a/device/testing/device-oneplus-dumpling/deviceinfo b/device/testing/device-oneplus-dumpling/deviceinfo
new file mode 100644
index 000000000..d9e521ae3
--- /dev/null
+++ b/device/testing/device-oneplus-dumpling/deviceinfo
@@ -0,0 +1,34 @@
+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="OnePlus 5T"
+deviceinfo_manufacturer="OnePlus"
+deviceinfo_codename="oneplus-dumpling"
+deviceinfo_year="2017"
+deviceinfo_dtb=""
+deviceinfo_modules_initfs=""
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="false"
+deviceinfo_screen_width="1080"
+deviceinfo_screen_height="2160"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_kernel_cmdline="androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x37 ehci-hcd.park=3 lpm_levels.sleep_disabled=1 sched_enable_hmp=1 sched_enable_power_aware=1 service_locator.enable=1 swiotlb=2048 androidboot.usbconfigfs=true androidboot.usbcontroller=a800000.dwc3 firmware_class.path=/vendor/firmware_mnt/image loop.max_part=7 ramoops.mem_address=0xac000000 ramoops.mem_size=0x200000 ramoops.console_size=0x40000"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_bootimg_dtb_second="false"
+deviceinfo_flash_offset_base="0x00000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x00000100"
+deviceinfo_flash_pagesize="4096"
+deviceinfo_flash_sparse="true"
+
+# Required for devices using UFS as storage (instead of e.g. eMMC)
+deviceinfo_rootfs_image_sector_size="4096"