diff --git a/Makefile b/Makefile
index fb06de10..583701a6 100755
--- a/Makefile
+++ b/Makefile
@@ -89,6 +89,7 @@ config.local: $(eval BOXMODEL=hd51)
 	@echo "  15)  Maxytec Multibox SE 4K"
 	@echo "  21)  WWIO BRE2ZE4K"
 	@echo "  31)  Air Digital Zgemma H7"
+	@echo "  35)  AXAS E4HD 4K Ultra"
 	@echo "  41)  VU+ Solo 4k"
 	@echo "  42)  VU+ Duo 4k"
 	@echo "  43)  VU+ Duo 4k SE"
@@ -113,6 +114,7 @@ config.local: $(eval BOXMODEL=hd51)
 		15)	boxmodel=multiboxse;; \
 		21)	boxmodel=bre2ze4k;; \
 		31)	boxmodel=h7;; \
+		35)	boxmodel=e4hdultra;; \
 		41)	boxmodel=vusolo4k;; \
 		42)	boxmodel=vuduo4k;; \
 		43)	boxmodel=vuduo4kse;; \
diff --git a/make/environment-box.mk b/make/environment-box.mk
index 3e456838..1efa8b40 100644
--- a/make/environment-box.mk
+++ b/make/environment-box.mk
@@ -15,13 +15,13 @@
 
 # - Armbox --------------------------------------------------------------------
 
-# BOXTYPE             armbox -------- +
-#                    /                 \
-# BOXSERIES         hd5x              hd6x
-#                    |                  |
-# BOXFAMILY       bcm7251s        + hi3798mv200 +
-#                /   |    \      /   |       |   \
-# BOXMODEL   hd51 bre2ze4k h7 hd60 hd61 multibox multiboxse
+# BOXTYPE                    + ----- armbox ----- +
+#                           /                      \
+# BOXSERIES            +  hd5x  +                  hd6x
+#                     /          \                  |
+# BOXFAMILY       bcm7251s     bcm7252s       + hi3798mv200 +
+#                /   |    \       |          /   |       |   \
+# BOXMODEL   hd51 bre2ze4k h7  e4hdultra  hd60 hd61 multibox multiboxse
 
 # BOXTYPE         armbox + ------ + ---- + -------- + ------- + ---- +
 #                /       |         \      \          \         \      \
@@ -115,6 +115,10 @@ else ifneq ($(BOXFAMILY),)
     BOXTYPE = armbox
     BOXSERIES = hd5x
     BOXMODEL = hd51
+  else ifeq ($(BOXFAMILY),bcm7252s)
+    BOXTYPE = armbox
+    BOXSERIES = hd5x
+    BOXMODEL = e4hdultra
   else ifeq ($(BOXFAMILY),hi3798mv200)
     BOXTYPE = armbox
     BOXSERIES = hd6x
@@ -165,6 +169,10 @@ else ifneq ($(BOXMODEL),)
     BOXTYPE = armbox
     BOXSERIES = hd5x
     BOXFAMILY = bcm7251s
+  else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),e4hdultra))
+    BOXTYPE = armbox
+    BOXSERIES = hd5x
+    BOXFAMILY = bcm7252s
   else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd60 hd61 multibox multiboxse))
     BOXTYPE = armbox
     BOXSERIES = hd6x
@@ -235,6 +243,8 @@ else ifeq ($(BOXMODEL),bre2ze4k)
   BOXNAME = "WWIO BRE2ZE4K"
 else ifeq ($(BOXMODEL),h7)
   BOXNAME = "Air Digital Zgemma H7"
+else ifeq ($(BOXMODEL),e4hdultra)
+  BOXNAME = "AXAS E4HD 4K Ultra"
 else ifeq ($(BOXMODEL),hd60)
   BOXNAME = "AX/Mut@nt HD60"
 else ifeq ($(BOXMODEL),hd61)
@@ -263,6 +273,7 @@ endif
 
 BOXMODELS  = nevis apollo shiner kronos kronos_v2
 BOXMODELS += hd51 bre2ze4k h7
+BOXMODELS += e4hdultra
 BOXMODELS += hd60 hd61 multibox multiboxse
 BOXMODELS += vusolo4k vuduo4k vuduo4kse vuultimo4k vuzero4k vuuno4k vuuno4kse
 BOXMODELS += vuduo
diff --git a/make/environment-image.mk b/make/environment-image.mk
index 07b80ffd..56a8f5b4 100644
--- a/make/environment-image.mk
+++ b/make/environment-image.mk
@@ -84,6 +84,8 @@ ifeq ($(BOXMODEL),$(filter $(BOXMODEL),vusolo4k vuduo4k vuduo4kse vuultimo4k vuz
   IMAGE_SUBDIR = $(subst vu,vuplus/,$(BOXMODEL))
 else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),h7))
   IMAGE_SUBDIR = zgemma/$(BOXMODEL)
+else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),e4hdultra))
+  IMAGE_SUBDIR = e4hd
 else
   IMAGE_SUBDIR = $(BOXMODEL)
 endif
diff --git a/make/environment-linux.mk b/make/environment-linux.mk
index 6f9b3b42..bad1fd92 100644
--- a/make/environment-linux.mk
+++ b/make/environment-linux.mk
@@ -27,7 +27,7 @@ else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),apollo shiner kronos kronos_v2))
     KERNEL_CONFIG = $(PKG_FILES_DIR)/kernel-kronos.defconfig
   endif
 
-else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7))
+else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra))
   KERNEL_VERSION = 4.10.12
   KERNEL_DIR = linux-$(KERNEL_VERSION)
   KERNEL_SOURCE = linux-$(KERNEL_VERSION)-arm.tar.gz
@@ -35,7 +35,11 @@ else ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7))
 
   KERNEL_BRANCH = $(empty)
   KERNEL_DTB = $(KERNEL_OBJ_DIR)/arch/$(TARGET_ARCH)/boot/dts/bcm7445-bcm97445svmb.dtb
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),e4hdultra))
+  KERNEL_CONFIG = $(PKG_FILES_DIR)/kernel-hd5x-e4hdultra.defconfig
+else
   KERNEL_CONFIG = $(PKG_FILES_DIR)/kernel-hd5x.defconfig
+endif
 
   BOOT_PARTITION = 1
 
@@ -239,7 +243,7 @@ endif
 KERNEL_MAKE_TARGETS = $(KERNEL_IMAGE)
 
 # build also the kernel-dtb for arm-hd5x and arm-hd6x
-ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 hd60 hd61 multibox multiboxse))
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra hd60 hd61 multibox multiboxse))
   KERNEL_MAKE_TARGETS += $(notdir $(KERNEL_DTB))
 endif
 
diff --git a/make/flash-images.mk b/make/flash-images.mk
index 66f8c2de..9688e647 100644
--- a/make/flash-images.mk
+++ b/make/flash-images.mk
@@ -63,7 +63,7 @@ ifeq ($(BOXMODEL),$(filter $(BOXMODEL),apollo shiner))
 	make flash-image-coolstream ERASE_SIZE=0x40000 IMAGE_SUFFIX=$(BOXTYPE_SC)-apollo BOXNAME="Tank"
 	make flash-image-coolstream ERASE_SIZE=0x20000 IMAGE_SUFFIX=$(BOXTYPE_SC)-shiner BOXNAME="Trinity"
 endif
-ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7))
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra))
 	make flash-image-hd5x
 	make flash-image-hd5x-multi
 endif
@@ -135,7 +135,7 @@ flash-image-hd5x: | $(IMAGE_DIR)
 
 # -----------------------------------------------------------------------------
 
-# hd51, bre2ze4k, h7
+# hd51, bre2ze4k, h7, e4hdultra
 HD5X_IMAGE_NAME = disk
 HD5X_BOOT_IMAGE = boot.img
 HD5X_IMAGE_LINK = $(HD5X_IMAGE_NAME).ext4
@@ -192,11 +192,19 @@ flash-image-hd5x-multi: | $(IMAGE_DIR)
 	parted -s $(EMMC_IMAGE) unit KiB mkpart storage ext4 $(STORAGE_PARTITION_OFFSET) 100%
 	dd if=/dev/zero of=$(IMAGE_BUILD_DIR)/$(HD5X_BOOT_IMAGE) bs=$(BLOCK_SIZE) count=$(shell expr $(BOOT_PARTITION_SIZE) \* $(BLOCK_SECTOR))
 	mkfs.msdos -S 512 $(IMAGE_BUILD_DIR)/$(HD5X_BOOT_IMAGE)
+ifeq ($(BOXMODEL), e4hdultra)
+	echo "boot emmcflash0.linuxkernel  'brcm_cma=504M@264M brcm_cma=192M@768M brcm_cma=1024M@2048M root=/dev/mmcblk0p3 rootsubdir=linuxrootfs1 kernel=/dev/mmcblk0p2 rw rootwait $(BOXMODEL)_4.boxmode=5'" > $(IMAGE_BUILD_DIR)/STARTUP
+	echo "boot emmcflash0.linuxkernel  'brcm_cma=504M@264M brcm_cma=192M@768M brcm_cma=1024M@2048M root=/dev/mmcblk0p3 rootsubdir=linuxrootfs1 kernel=/dev/mmcblk0p2 rw rootwait $(BOXMODEL)_4.boxmode=5'" > $(IMAGE_BUILD_DIR)/STARTUP_1
+	echo "boot emmcflash0.linuxkernel2 'brcm_cma=504M@264M brcm_cma=192M@768M brcm_cma=1024M@2048M root=/dev/mmcblk0p8 rootsubdir=linuxrootfs2 kernel=/dev/mmcblk0p4 rw rootwait $(BOXMODEL)_4.boxmode=5'" > $(IMAGE_BUILD_DIR)/STARTUP_2
+	echo "boot emmcflash0.linuxkernel3 'brcm_cma=504M@264M brcm_cma=192M@768M brcm_cma=1024M@2048M root=/dev/mmcblk0p8 rootsubdir=linuxrootfs3 kernel=/dev/mmcblk0p5 rw rootwait $(BOXMODEL)_4.boxmode=5'" > $(IMAGE_BUILD_DIR)/STARTUP_3
+	echo "boot emmcflash0.linuxkernel4 'brcm_cma=504M@264M brcm_cma=192M@768M brcm_cma=1024M@2048M root=/dev/mmcblk0p8 rootsubdir=linuxrootfs4 kernel=/dev/mmcblk0p6 rw rootwait $(BOXMODEL)_4.boxmode=5'" > $(IMAGE_BUILD_DIR)/STARTUP_4
+else
 	echo "boot emmcflash0.linuxkernel  'brcm_cma=520M@248M brcm_cma=192M@768M root=/dev/mmcblk0p3 rootsubdir=linuxrootfs1 kernel=/dev/mmcblk0p2 rw rootwait $(BOXMODEL)_4.boxmode=12'" > $(IMAGE_BUILD_DIR)/STARTUP
 	echo "boot emmcflash0.linuxkernel  'root=/dev/mmcblk0p3 rootsubdir=linuxrootfs1 kernel=/dev/mmcblk0p2 rw rootwait $(BOXMODEL)_4.boxmode=1'" > $(IMAGE_BUILD_DIR)/STARTUP_1
 	echo "boot emmcflash0.linuxkernel2 'root=/dev/mmcblk0p8 rootsubdir=linuxrootfs2 kernel=/dev/mmcblk0p4 rw rootwait $(BOXMODEL)_4.boxmode=1'" > $(IMAGE_BUILD_DIR)/STARTUP_2
 	echo "boot emmcflash0.linuxkernel3 'root=/dev/mmcblk0p8 rootsubdir=linuxrootfs3 kernel=/dev/mmcblk0p5 rw rootwait $(BOXMODEL)_4.boxmode=1'" > $(IMAGE_BUILD_DIR)/STARTUP_3
 	echo "boot emmcflash0.linuxkernel4 'root=/dev/mmcblk0p8 rootsubdir=linuxrootfs4 kernel=/dev/mmcblk0p6 rw rootwait $(BOXMODEL)_4.boxmode=1'" > $(IMAGE_BUILD_DIR)/STARTUP_4
+endif
 	mcopy -i $(IMAGE_BUILD_DIR)/$(HD5X_BOOT_IMAGE) -v $(IMAGE_BUILD_DIR)/STARTUP ::
 	mcopy -i $(IMAGE_BUILD_DIR)/$(HD5X_BOOT_IMAGE) -v $(IMAGE_BUILD_DIR)/STARTUP_1 ::
 	mcopy -i $(IMAGE_BUILD_DIR)/$(HD5X_BOOT_IMAGE) -v $(IMAGE_BUILD_DIR)/STARTUP_2 ::
diff --git a/make/linux-kernel.mk b/make/linux-kernel.mk
index f75a0b16..5984b5cc 100644
--- a/make/linux-kernel.mk
+++ b/make/linux-kernel.mk
@@ -166,6 +166,9 @@ BRE2ZE4K_PATCH = \
 H7_PATCH = \
 	$(GFUTURES_4_10_PATCH)
 
+E4HDULTRA_PATCH = \
+	$(GFUTURES_4_10_PATCH)
+
 HD60_PATCH = \
 	$(GFUTURES_4_4_PATCH)
 
@@ -246,7 +249,7 @@ kernel.do_prepare: | $(DEPS_DIR) $(BUILD_DIR)
 	$(MKDIR)/$(KERNEL_MODULES)
 	$(INSTALL_DATA) $(KERNEL_CONFIG) $(KERNEL_OBJ_DIR)/.config
 	$(MAKE) -C $(BUILD_DIR)/$(KERNEL_DIR) $(LINUX_KERNEL_MAKE_VARS) silentoldconfig
-ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 hd60 hd61 multibox multiboxse))
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra hd60 hd61 multibox multiboxse))
 	$(INSTALL_DATA) $(PKG_FILES_DIR)/initramfs-subdirboot.cpio.gz $(KERNEL_OBJ_DIR)
 endif
 	$(call TOUCH)
diff --git a/make/target-blobs.mk b/make/target-blobs.mk
index 28f5df9b..69326810 100644
--- a/make/target-blobs.mk
+++ b/make/target-blobs.mk
@@ -8,7 +8,7 @@
 blobs: $(BLOBS_DEPENDENCIES)
 	$(MAKE) firmware
 	$(MAKE) $(BOXMODEL)-drivers
-ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 hd60 hd61 multibox multiboxse vusolo4k vuduo4k vuduo4kse vuultimo4k vuzero4k vuuno4k vuuno4kse))
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra hd60 hd61 multibox multiboxse vusolo4k vuduo4k vuduo4kse vuultimo4k vuzero4k vuuno4k vuuno4kse))
 	$(MAKE) $(BOXMODEL)-libgles
   ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd60 hd61 multibox multiboxse))
 	$(MAKE) $(BOXMODEL)-libs
@@ -59,6 +59,10 @@ H7_DRIVERS_VERSION = 20191123
 H7_DRIVERS_SOURCE = h7-drivers-$(KERNEL_VERSION)-$(H7_DRIVERS_VERSION).zip
 H7_DRIVERS_SITE = http://source.mynonpublic.com/zgemma
 
+E4HDULTRA_DRIVERS_VERSION = 20191101
+E4HDULTRA_DRIVERS_SOURCE = e4hd-drivers-$(KERNEL_VERSION)-$(E4HDULTRA_DRIVERS_VERSION).zip
+E4HDULTRA_DRIVERS_SITE = http://source.mynonpublic.com/ceryon
+
 HD60_DRIVERS_VERSION = 20200731
 HD60_DRIVERS_SOURCE = hd60-drivers-$(KERNEL_VERSION)-$(HD60_DRIVERS_VERSION).zip
 HD60_DRIVERS_SITE = http://source.mynonpublic.com/gfutures
@@ -171,7 +175,8 @@ endif
 
 hd51-drivers \
 bre2ze4k-drivers \
-h7-drivers: $(DL_DIR)/$(BOXMODEL_DRIVERS_SOURCE) | $(TARGET_DIR)
+h7-drivers \
+e4hdultra-drivers: $(DL_DIR)/$(BOXMODEL_DRIVERS_SOURCE) | $(TARGET_DIR)
 	$(INSTALL) -d $(TARGET_modulesdir)/extra
 	unzip -o $(DL_DIR)/$(BOXMODEL_DRIVERS_SOURCE) -d $(TARGET_modulesdir)/extra
 	$(LINUX_RUN_DEPMOD)
@@ -219,6 +224,11 @@ H7_LIBGLES_DIR = $(empty)
 H7_LIBGLES_SOURCE = h7-v3ddriver-$(H7_LIBGLES_VERSION).zip
 H7_LIBGLES_SITE = http://source.mynonpublic.com/zgemma
 
+E4HDULTRA_LIBGLES_VERSION = 20191101
+E4HDULTRA_LIBGLES_DIR = $(empty)
+E4HDULTRA_LIBGLES_SOURCE = 8100s-v3ddriver-$(E4HDULTRA_LIBGLES_VERSION).zip
+E4HDULTRA_LIBGLES_SITE = https://source.mynonpublic.com/ceryon
+
 HD60_LIBGLES_VERSION = 20181201
 HD60_LIBGLES_DIR = $(empty)
 HD60_LIBGLES_SOURCE = hd60-mali-$(HD60_LIBGLES_VERSION).zip
@@ -291,7 +301,8 @@ endif
 
 hd51-libgles \
 bre2ze4k-libgles \
-h7-libgles: $(DL_DIR)/$(BOXMODEL_LIBGLES_SOURCE) | $(TARGET_DIR)
+h7-libgles \
+e4hdultra-libgles: $(DL_DIR)/$(BOXMODEL_LIBGLES_SOURCE) | $(TARGET_DIR)
 	unzip -o $(DL_DIR)/$(BOXMODEL_LIBGLES_SOURCE) -d $(TARGET_libdir)
 	ln -sf libv3ddriver.so $(TARGET_libdir)/libEGL.so
 	ln -sf libv3ddriver.so $(TARGET_libdir)/libGLESv2.so
diff --git a/package/init-scripts/init-scripts.mk b/package/init-scripts/init-scripts.mk
index e41a0163..06b71011 100644
--- a/package/init-scripts/init-scripts.mk
+++ b/package/init-scripts/init-scripts.mk
@@ -62,18 +62,18 @@ $(TARGET_sysconfdir)/init.d/hostname:
 	$(INSTALL_EXEC) -D $(INIT_SCRIPTS_FILES_DIR)/hostname.init $(@)
 
 $(TARGET_sysconfdir)/init.d/partitions-by-name:
-ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 hd60 hd61 multiboxse))
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra hd60 hd61 multiboxse))
 	$(INSTALL_EXEC) -D $(INIT_SCRIPTS_FILES_DIR)/partitions-by-name.init $(@)
 endif
 
 $(TARGET_sysconfdir)/init.d/proc:
-ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 hd60 hd61 multiboxse vusolo4k vuduo4k vuduo4kse vuultimo4k vuzero4k vuuno4k vuuno4kse vuduo))
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra hd60 hd61 multiboxse vusolo4k vuduo4k vuduo4kse vuultimo4k vuzero4k vuuno4k vuuno4kse vuduo))
 	$(INSTALL_EXEC) -D $(INIT_SCRIPTS_FILES_DIR)/proc.init $(@)
 	$(UPDATE-RC.D) $(@F) start 90 S .
 endif
 
 $(TARGET_sysconfdir)/init.d/resizerootfs:
-ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 hd60 hd61 multiboxse))
+ifeq ($(BOXMODEL),$(filter $(BOXMODEL),hd51 bre2ze4k h7 e4hdultra hd60 hd61 multiboxse))
 	$(INSTALL_EXEC) -D $(INIT_SCRIPTS_FILES_DIR)/resizerootfs.init $(@)
 endif
 
diff --git a/support/config.example b/support/config.example
index 702d3c7f..4caa3a12 100644
--- a/support/config.example
+++ b/support/config.example
@@ -31,13 +31,14 @@ MAINTAINER = $(shell whoami)
 # WWIO
 #BOXMODEL = bre2ze4k
 
-# Air Digital Zgemma H7
+# Air Digital
 #BOXMODEL = h7
 
-# Maxytec Multibox 4K
-#BOXMODEL = multibox
+# AXAS
+#BOXMODEL = e4hdultra
 
-# Maxytec Multibox SE 4K
+# Maxytec
+#BOXMODEL = multibox
 #BOXMODEL = multiboxse
 
 # Edison