diff --git a/feeds/tip/certificates/files/usr/bin/mount_certs b/feeds/tip/certificates/files/usr/bin/mount_certs
index 60ece34b1..0acfc84fe 100755
--- a/feeds/tip/certificates/files/usr/bin/mount_certs
+++ b/feeds/tip/certificates/files/usr/bin/mount_certs
@@ -45,7 +45,8 @@ sonicfi,rap7*)
 		fi
 	fi
 	;;
-udaya,a5-id2)
+udaya,a5-id2|\
+yuncore,ax820)
 	mtd=$(find_mtd_index certificates)
 	if [ "$(head -c 4 /dev/mtd$mtd)" == "hsqs" ]; then
 		mount -t squashfs /dev/mtdblock$mtd /mnt
diff --git a/feeds/tip/certificates/files/usr/bin/store_certs b/feeds/tip/certificates/files/usr/bin/store_certs
index 8d2dd47b7..4960f120d 100755
--- a/feeds/tip/certificates/files/usr/bin/store_certs
+++ b/feeds/tip/certificates/files/usr/bin/store_certs
@@ -21,7 +21,8 @@ sonicfi,rap7110c-341x)
 	mmc_dev=$(echo $(find_mmc_part $part) | sed 's/^.\{5\}//')
 	dd if=/tmp/certs.tar of=/dev/$mmc_dev
 	;;
-udaya,a5-id2)
+udaya,a5-id2|\
+yuncore,ax820)
 	cd /certificates
 	tar cf /tmp/certs.tar .
 	part=$(tar_part_lookup "insta1" "insta2")
diff --git a/patches/0097-yuncore_ax820-add-insta1-2-partitions.patch b/patches/0097-yuncore_ax820-add-insta1-2-partitions.patch
new file mode 100644
index 000000000..237192375
--- /dev/null
+++ b/patches/0097-yuncore_ax820-add-insta1-2-partitions.patch
@@ -0,0 +1,36 @@
+From 3ceb72aaffa13375c049d161702e9d9f55da38c8 Mon Sep 17 00:00:00 2001
+From: John Crispin <john@phrozen.org>
+Date: Mon, 4 Aug 2025 08:34:50 +0200
+Subject: [PATCH] yuncore_ax820: add insta1/2 partitions
+
+Signed-off-by: John Crispin <john@phrozen.org>
+---
+ target/linux/ramips/dts/mt7621_yuncore_ax820.dts | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/target/linux/ramips/dts/mt7621_yuncore_ax820.dts b/target/linux/ramips/dts/mt7621_yuncore_ax820.dts
+index b2f55b9be0..cc1b59340b 100644
+--- a/target/linux/ramips/dts/mt7621_yuncore_ax820.dts
++++ b/target/linux/ramips/dts/mt7621_yuncore_ax820.dts
+@@ -120,7 +120,17 @@
+ 			partition@90000 {
+ 				compatible = "denx,uimage";
+ 				label = "firmware";
+-				reg = <0x90000 0xf60000>;
++				reg = <0x90000 0xf40000>;
++			};
++
++			partition@fd0000 {
++				label = "insta1";
++				reg = <0xfd0000 0x10000>;
++			};
++
++			partition@fe0000 {
++				label = "insta2";
++				reg = <0xfe0000 0x10000>;
+ 			};
+ 
+ 			partition@ff0000 {
+-- 
+2.34.1
+