diff --git a/.github/workflows/hi3516dv100_ultimate_images.yml b/.github/workflows/hi3516dv100_ultimate_images.yml
new file mode 100644
index 00000000..9b62cb67
--- /dev/null
+++ b/.github/workflows/hi3516dv100_ultimate_images.yml
@@ -0,0 +1,138 @@
+name: "Hi3516Dv100 (ultimate)"
+
+on:
+  push:
+    branches:
+      - production
+    tags:
+      - "v*"
+  schedule:
+      - cron: "00 03 * * *"
+  workflow_dispatch:
+
+jobs:
+  build_core:
+    name: OpenIPC firmware for Hi3516Dv100 (ultimate)
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Checkout
+        id: checkout
+        uses: actions/checkout@v2
+
+      - name: Install build dependencies
+        id: install
+        run: |
+          make install-deps
+          mkdir -p tmp
+
+      - name: Free disk space
+        id: freshing
+        run: |
+          sudo swapoff -a
+          sudo rm -f /swapfile
+          sudo apt clean
+          docker rmi $(docker image ls -aq)
+          df -h
+
+      - name: Prepare buildroot
+        id: prepare
+        run: |
+          HEAD_TAG=$(git tag --points-at HEAD)
+          GIT_HASH=$(git rev-parse --short $GITHUB_SHA)
+          BRANCH_NAME=$(echo $GITHUB_REF | cut -d'/' -f 3)
+          if [ -z "$HEAD_TAG" ]; then
+            TAG_NAME="latest"
+            RELEASE_NAME="Development Build"
+            PRERELEASE=true
+          else
+            TAG_NAME=${{ github.ref }}
+            RELEASE_NAME="Release ${{ github.ref }}"
+            PRERELEASE=false
+          fi
+          echo "GIT_HASH=$GIT_HASH" >> $GITHUB_ENV
+          echo "TAG_NAME=$TAG_NAME" >> $GITHUB_ENV
+          echo "RELEASE_NAME=$RELEASE_NAME" >> $GITHUB_ENV
+          echo "PRERELEASE=$PRERELEASE" >> $GITHUB_ENV
+          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
+          echo "BOARD=hi3516dv100" >> $GITHUB_ENV
+          cd $GITHUB_WORKSPACE
+          make prepare
+
+      - name: Build Hi3516Dv100 (ultimate) firmware
+        id: build-hi3516dv100-ultimate-firmware
+        continue-on-error: true
+        run: |
+          ARCHIVE_FW="${GITHUB_WORKSPACE}/output/images/openipc.${BOARD}-ultimate-br.tgz"
+          ARCHIVE_FW_NAND="${GITHUB_WORKSPACE}/output/images/openipc.${BOARD}-nand-br.tgz"
+          echo "ARCHIVE_FW=$ARCHIVE_FW" >> $GITHUB_ENV
+          echo "ARCHIVE_FW_NAND=$ARCHIVE_FW_NAND" >> $GITHUB_ENV
+          cd $GITHUB_WORKSPACE
+          make PLATFORM=hisilicon BOARD=unknown_unknown_${BOARD}_ultimate all
+          [[ $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/uImage) -gt 3145728 ]] && echo "TG_NOTIFY=Warning, kernel size exceeded : $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/uImage) ... ${BOARD} (ultimate)" >> $GITHUB_ENV && exit 1
+          [[ $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/rootfs.squashfs) -gt 10485760 ]] && echo "TG_NOTIFY=Warning, rootfs size exceeded - $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/rootfs.squashfs) vs 10485760... ${BOARD} (ultimate)" >> $GITHUB_ENV && exit 1
+          cd ${GITHUB_WORKSPACE}/output/images
+          mv uImage uImage.${BOARD}
+          mv rootfs.squashfs rootfs.squashfs.${BOARD}
+          mv rootfs.ubi rootfs.ubi.${BOARD}
+          mv rootfs.ubifs rootfs.ubifs.${BOARD}
+          md5sum rootfs.squashfs.${BOARD} > rootfs.squashfs.${BOARD}.md5sum
+          md5sum uImage.${BOARD} > uImage.${BOARD}.md5sum
+          md5sum rootfs.ubifs.${BOARD} > rootfs.ubifs.${BOARD}.md5sum
+          md5sum uImage.${BOARD} > uImage.${BOARD}.md5sum
+          tar -cvzf $ARCHIVE_FW uImage* *rootfs.squashfs.${BOARD}*
+          tar -cvzf $ARCHIVE_FW_NAND uImage* *rootfs.ubi*.${BOARD}*
+
+      - name: Send warning message to telegram channel
+        env:
+          TG_TOKEN: ${{ secrets.TELEGRAM_TOKEN_BOT_OPENIPC }}
+          TG_CHANNEL: ${{ secrets.TELEGRAM_CHANNEL_OPENIPC_DEV }}
+        if: steps.build-hi3516dv100-ultimate-firmware.outcome != 'success'
+        run: |
+          TG_OPTIONS="-s --connect-timeout 30 --max-time 30"
+          TG_NOTIFY="${TG_NOTIFY:=Warning, Buildroot compiling error... ${BOARD} (ultimate)}"
+          TG_HEADER=$(echo -e "\r\n$TG_NOTIFY \r\n\r\nCommit: $GIT_HASH \r\nBranch: $BRANCH_NAME \r\nTag: $TAG_NAME \r\n\r\n\xE2\x9A\xA0 GitHub Actions")
+          curl $TG_OPTIONS -H "Content-Type: multipart/form-data" -X POST https://api.telegram.org/bot$TG_TOKEN/sendMessage \
+            -F chat_id=$TG_CHANNEL -F text="$TG_HEADER"
+
+      - name: Create release
+        uses: actions/create-release@v1
+        continue-on-error: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ env.TAG_NAME }}
+          release_name: ${{ env.RELEASE_NAME }}
+          draft: false
+          prerelease: ${{ env.PRERELEASE }}
+
+      - name: Upload FW to release
+        uses: svenstaro/upload-release-action@v2
+        continue-on-error: true
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ${{ env.ARCHIVE_FW }}
+          asset_name: openipc.${{ env.BOARD }}-ultimate-br.tgz
+          tag: ${{ env.TAG_NAME }}
+          overwrite: true
+
+      - name: Upload FW to release
+        uses: svenstaro/upload-release-action@v2
+        continue-on-error: true
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ${{ env.ARCHIVE_FW_NAND }}
+          asset_name: openipc.${{ env.BOARD }}-nand-br.tgz
+          tag: ${{ env.TAG_NAME }}
+          overwrite: true
+
+      - name: Send binary file to telegram channel
+        env:
+          TG_TOKEN: ${{ secrets.TELEGRAM_TOKEN_BOT_OPENIPC }}
+          TG_CHANNEL: ${{ secrets.TELEGRAM_CHANNEL_OPENIPC_DEV }}
+        run: |
+          TG_OPTIONS="-s --connect-timeout 30 --max-time 30"
+          TG_HEADER=$(echo -e "\r\nCommit: $GIT_HASH \r\nBranch: $BRANCH_NAME \r\nTag: $TAG_NAME \r\n\r\n\xE2\x9C\x85 GitHub Actions")
+          curl $TG_OPTIONS -H "Content-Type: multipart/form-data" -X POST https://api.telegram.org/bot$TG_TOKEN/sendDocument \
+            -F chat_id=$TG_CHANNEL -F document="@$ARCHIVE_FW" -F caption="$TG_HEADER"
diff --git a/br-ext-chip-hisilicon/board/hi3516av100/kernel/hi3516dv100.generic.config b/br-ext-chip-hisilicon/board/hi3516av100/kernel/hi3516dv100.generic.config
index 8a6d8c12..d25357b1 100644
--- a/br-ext-chip-hisilicon/board/hi3516av100/kernel/hi3516dv100.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516av100/kernel/hi3516dv100.generic.config
@@ -130,8 +130,8 @@ CONFIG_RD_GZIP=y
 # CONFIG_RD_XZ is not set
 # CONFIG_RD_LZO is not set
 CONFIG_RD_LZ4=y
-CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
 CONFIG_HAVE_UID16=y
@@ -928,7 +928,12 @@ CONFIG_HISFC350_CHIP_NUM=2
 CONFIG_HISFC350_ENABLE_CHIPSELECT_1=y
 # CONFIG_HISFC350_ENABLE_INTR_DMA is not set
 # CONFIG_CMD_SPI_BLOCK_PROTECTION is not set
-# CONFIG_MTD_UBI is not set
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UBI_BEB_LIMIT=20
+# CONFIG_MTD_UBI_FASTMAP is not set
+# CONFIG_MTD_UBI_GLUEBI is not set
+CONFIG_MTD_UBI_BLOCK=y
 CONFIG_DTC=y
 CONFIG_OF=y
 # CONFIG_OF_UNITTEST is not set
@@ -2260,6 +2265,7 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+CONFIG_UBIFS_FS=y
 # CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 CONFIG_SQUASHFS=y
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516dv100_ultimate_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516dv100_ultimate_defconfig
new file mode 100644
index 00000000..865c79bb
--- /dev/null
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516dv100_ultimate_defconfig
@@ -0,0 +1,119 @@
+# Architecture
+BR2_arm=y
+BR2_cortex_a7=y
+BR2_ARM_EABI=y
+BR2_ARM_FPU_NEON_VFPV4=y
+BR2_ARM_INSTRUCTIONS_THUMB2=y
+BR2_KERNEL_HEADERS_VERSION=y
+BR2_DEFAULT_KERNEL_VERSION="4.9.37"
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
+
+# Toolchain
+BR2_PER_PACKAGE_DIRECTORIES=y
+BR2_GCC_VERSION_7_X=y
+# BR2_TOOLCHAIN_USES_UCLIBC is not set
+# BR2_TOOLCHAIN_BUILDROOT_UCLIBC is not set
+# BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
+BR2_TOOLCHAIN_USES_MUSL=y
+BR2_TOOLCHAIN_BUILDROOT_MUSL=y
+BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
+BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
+BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.9.37"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516av100/kernel/hi3516dv100.generic.config"
+BR2_LINUX_KERNEL_UIMAGE=y
+BR2_LINUX_KERNEL_XZ=y
+BR2_LINUX_KERNEL_EXT_HISI_PATCHER=y
+BR2_LINUX_KERNEL_EXT_HISI_PATCHER_LIST="$(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516av100/kernel/patches/ $(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516av100/kernel/overlay"
+
+# Filesystem
+# BR2_TARGET_TZ_INFO is not set
+BR2_TARGET_ROOTFS_CPIO=y
+BR2_TARGET_ROOTFS_SQUASHFS=y
+BR2_TARGET_ROOTFS_SQUASHFS4_XZ=y
+BR2_TARGET_ROOTFS_UBI=y
+BR2_TARGET_ROOTFS_UBI_SUBSIZE=2048
+BR2_TARGET_ROOTFS_UBI_USE_CUSTOM_CONFIG=y
+BR2_TARGET_ROOTFS_UBI_CUSTOM_CONFIG_FILE="$(TOPDIR)/../scripts/ubinize.cfg"
+BR2_TARGET_ROOTFS_UBIFS_LEBSIZE=0x1f000
+BR2_ROOTFS_OVERLAY="$(TOPDIR)/../general/overlay"
+BR2_ROOTFS_POST_BUILD_SCRIPT="$(TOPDIR)/../scripts/executing_commands_for_$(BR2_TOOLCHAIN_BUILDROOT_LIBC).sh"
+
+# OpenIPC configuration
+BR2_TOOLCHAIN_BUILDROOT_VENDOR="openipc"
+BR2_TARGET_GENERIC_ISSUE="Welcome to OpenIPC v2.2"
+BR2_TARGET_GENERIC_HOSTNAME="openipc-hi3516dv100"
+BR2_GLOBAL_PATCH_DIR="$(TOPDIR)/../general/package/all-patches"
+
+# OpenIPC packages
+BR2_PACKAGE_BUSYBOX_CONFIG="$(TOPDIR)/../general/package/busybox/busybox.config"
+BR2_PACKAGE_DROPBEAR_OPENIPC=y
+# BR2_PACKAGE_FDK_AAC_OPENIPC is not set
+BR2_PACKAGE_FWPRINTENV_OPENIPC=y
+BR2_PACKAGE_HASERL=y
+BR2_PACKAGE_HISI_GPIO is not set
+BR2_PACKAGE_HISILICON_OSDRV_HI3516AV100=y
+BR2_PACKAGE_IPCTOOL=y
+BR2_PACKAGE_JSON_C=y
+BR2_PACKAGE_LAME_OPENIPC=y
+BR2_PACKAGE_LIBCURL_OPENIPC=y
+BR2_PACKAGE_LIBCURL_OPENIPC_CURL=y
+# BR2_PACKAGE_LIBCURL_OPENIPC_VERBOSE is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_PROXY_SUPPORT is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_COOKIES_SUPPORT is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_EXTRA_PROTOCOLS_FEATURES is not set
+BR2_PACKAGE_LIBCURL_OPENIPC_MBEDTLS=y
+BR2_PACKAGE_LIBEVENT_OPENIPC=y
+BR2_PACKAGE_LIBEVENT_OPENIPC_REMOVE_PYSCRIPT=y
+BR2_PACKAGE_LIBOGG_OPENIPC=y
+BR2_PACKAGE_LIBWEBSOCKETS_OPENIPC=y
+BR2_PACKAGE_LIBYAML=y
+BR2_PACKAGE_MAJESTIC_FONTS=y
+BR2_PACKAGE_MAJESTIC=y
+# BR2_PACKAGE_MAJESTIC_ULTIMATE is not set
+BR2_PACKAGE_MBEDTLS_OPENIPC=y
+# BR2_PACKAGE_MBEDTLS_OPENIPC_PROGRAMS is not set
+# BR2_PACKAGE_MBEDTLS_OPENIPC_COMPRESSION is not set
+BR2_PACKAGE_MICROBE_WEB=y
+# BR2_PACKAGE_MINI_SNMPD is not set
+BR2_PACKAGE_MOTORS=y
+BR2_PACKAGE_OPUS_OPENIPC=y
+BR2_PACKAGE_OPUS_OPENIPC_FIXED_POINT=y
+# BR2_PACKAGE_SSHPASS is not set
+BR2_PACKAGE_UACME_OPENIPC=y
+BR2_PACKAGE_VTUND_OPENIPC=y
+BR2_PACKAGE_YAML_CLI=y
+
+# WiFi
+BR2_PACKAGE_WIRELESS_TOOLS=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_WPA_SUPPLICANT_NL80211=y
+BR2_PACKAGE_WPA_SUPPLICANT_PASSPHRASE=y
+BR2_PACKAGE_LINUX_FIRMWARE_OPENIPC=y
+BR2_PACKAGE_LINUX_FIRMWARE_OPENIPC_MT7601U=y
+# BR2_PACKAGE_RTL8188EU is not set
+
+# WIREGUARD
+BR2_PACKAGE_WIREGUARD_LINUX_COMPAT=y
+BR2_PACKAGE_WIREGUARD_TOOLS=y
+
+# IPTABLES
+BR2_PACKAGE_IPTABLES=y
+
+# MQTT
+BR2_PACKAGE_MOSQUITTO=y
+# BR2_PACKAGE_MOSQUITTO_BROKER is not set
+
+# ZEROTIER
+BR2_PACKAGE_ZEROTIER_ONE=y
+
+# DEBUG
+BR2_PACKAGE_HOST_GDB=y
+BR2_PACKAGE_GDB=y
diff --git a/building.sh b/building.sh
index deaebd6a..6b6a550f 100755
--- a/building.sh
+++ b/building.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# OpenIPC.org | v.20220515
+# OpenIPC.org | v.20220808
 #
 
 MAX_KERNEL_SIZE=0x200000               #    2MiB,  2097152
@@ -317,6 +317,11 @@ hi3516dv100() {
   fresh && make PLATFORM=hisilicon BOARD=unknown_unknown_${soc}_openipc all && rename
 }
 
+hi3516dv100_ultimate() {
+  soc="hi3516dv100"
+  fresh && make PLATFORM=hisilicon BOARD=unknown_unknown_${soc}_ultimate all && rename
+}
+
 #################################################################################
 
 hi3519v101() {
@@ -680,6 +685,7 @@ xm550() {
 # hi3516av100                   # OpenIPC
 # hi3516av100_ultimate          # OpenIPC_ultimate version
 # hi3516dv100                   # OpenIPC
+# hi3516dv100_ultimate          # OpenIPC_ultimate version
 #
 # hi3516cv300                   # OpenIPC
 # hi3516cv300_ultimate          # OpenIPC_ultimate version