diff --git a/eth-dongle-pro-esp32/eth-dongle-pro-esp32.bin b/eth-dongle-pro-esp32/eth-dongle-pro-esp32.bin
deleted file mode 100644
index 0573db0..0000000
Binary files a/eth-dongle-pro-esp32/eth-dongle-pro-esp32.bin and /dev/null differ
diff --git a/eth-dongle-pro-esp32/manifest.json b/eth-dongle-pro-esp32/manifest.json
deleted file mode 100644
index ed08060..0000000
--- a/eth-dongle-pro-esp32/manifest.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "chipFamily": "ESP32-C3",
-  "parts": [
-    {
-      "path": "eth-dongle-pro-esp32/eth-dongle-pro-esp32.bin",
-      "offset": 0
-    }
-  ]
-}
\ No newline at end of file
diff --git a/eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.factory.bin b/eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.factory.bin
new file mode 100644
index 0000000..a4e77b1
Binary files /dev/null and b/eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.factory.bin differ
diff --git a/eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.ota.bin b/eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.ota.bin
new file mode 100644
index 0000000..b3a41a0
Binary files /dev/null and b/eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.ota.bin differ
diff --git a/eth-dongle-pro-esp32c3/manifest.json b/eth-dongle-pro-esp32c3/manifest.json
new file mode 100644
index 0000000..ab2125a
--- /dev/null
+++ b/eth-dongle-pro-esp32c3/manifest.json
@@ -0,0 +1,13 @@
+{
+  "chipFamily": "ESP32-C3",
+  "ota": {
+    "path": "eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.ota.bin",
+    "md5": "76afac77bcf0bc8ed2d5a854ff52509e"
+  },
+  "parts": [
+    {
+      "path": "eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.factory.bin",
+      "offset": 0
+    }
+  ]
+}
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index a1f16e7..0b61696 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,27 +6,39 @@
   "builds": [
     {
       "chipFamily": "ESP32-C3",
+      "ota": {
+        "path": "eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.ota.bin",
+        "md5": "76afac77bcf0bc8ed2d5a854ff52509e"
+      },
       "parts": [
         {
-          "path": "eth-dongle-pro-esp32/eth-dongle-pro-esp32.bin",
+          "path": "eth-dongle-pro-esp32c3/eth-dongle-pro-esp32c3.factory.bin",
           "offset": 0
         }
       ]
     },
     {
       "chipFamily": "ESP32-C3",
+      "ota": {
+        "path": "p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.ota.bin",
+        "md5": "929e427918784a571c146458d7ce61e4"
+      },
       "parts": [
         {
-          "path": "p1-dongle-pro-esp32/p1-dongle-pro-esp32.bin",
+          "path": "p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.factory.bin",
           "offset": 0
         }
       ]
     },
     {
       "chipFamily": "ESP32-C3",
+      "ota": {
+        "path": "p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.ota.bin",
+        "md5": "f29c76d085ed25a09fc9454d294f3dd3"
+      },
       "parts": [
         {
-          "path": "p1-dongle-pro-smr2-esp32/p1-dongle-pro-smr2-esp32.bin",
+          "path": "p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.factory.bin",
           "offset": 0
         }
       ]
diff --git a/p1-dongle-pro-esp32/manifest.json b/p1-dongle-pro-esp32/manifest.json
deleted file mode 100644
index 51a0d84..0000000
--- a/p1-dongle-pro-esp32/manifest.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "chipFamily": "ESP32-C3",
-  "parts": [
-    {
-      "path": "p1-dongle-pro-esp32/p1-dongle-pro-esp32.bin",
-      "offset": 0
-    }
-  ]
-}
\ No newline at end of file
diff --git a/p1-dongle-pro-esp32/p1-dongle-pro-esp32.bin b/p1-dongle-pro-esp32/p1-dongle-pro-esp32.bin
deleted file mode 100644
index 4cc969a..0000000
Binary files a/p1-dongle-pro-esp32/p1-dongle-pro-esp32.bin and /dev/null differ
diff --git a/p1-dongle-pro-esp32c3/manifest.json b/p1-dongle-pro-esp32c3/manifest.json
new file mode 100644
index 0000000..5548af5
--- /dev/null
+++ b/p1-dongle-pro-esp32c3/manifest.json
@@ -0,0 +1,13 @@
+{
+  "chipFamily": "ESP32-C3",
+  "ota": {
+    "path": "p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.ota.bin",
+    "md5": "929e427918784a571c146458d7ce61e4"
+  },
+  "parts": [
+    {
+      "path": "p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.factory.bin",
+      "offset": 0
+    }
+  ]
+}
\ No newline at end of file
diff --git a/p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.factory.bin b/p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.factory.bin
new file mode 100644
index 0000000..98535e1
Binary files /dev/null and b/p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.factory.bin differ
diff --git a/p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.ota.bin b/p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.ota.bin
new file mode 100644
index 0000000..c81d1cf
Binary files /dev/null and b/p1-dongle-pro-esp32c3/p1-dongle-pro-esp32c3.ota.bin differ
diff --git a/p1-dongle-pro-smr2-esp32/manifest.json b/p1-dongle-pro-smr2-esp32/manifest.json
deleted file mode 100644
index 64e1447..0000000
--- a/p1-dongle-pro-smr2-esp32/manifest.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "chipFamily": "ESP32-C3",
-  "parts": [
-    {
-      "path": "p1-dongle-pro-smr2-esp32/p1-dongle-pro-smr2-esp32.bin",
-      "offset": 0
-    }
-  ]
-}
\ No newline at end of file
diff --git a/p1-dongle-pro-smr2-esp32/p1-dongle-pro-smr2-esp32.bin b/p1-dongle-pro-smr2-esp32/p1-dongle-pro-smr2-esp32.bin
deleted file mode 100644
index 5b5cadb..0000000
Binary files a/p1-dongle-pro-smr2-esp32/p1-dongle-pro-smr2-esp32.bin and /dev/null differ
diff --git a/p1-dongle-pro-smr2-esp32c3/manifest.json b/p1-dongle-pro-smr2-esp32c3/manifest.json
new file mode 100644
index 0000000..3785239
--- /dev/null
+++ b/p1-dongle-pro-smr2-esp32c3/manifest.json
@@ -0,0 +1,13 @@
+{
+  "chipFamily": "ESP32-C3",
+  "ota": {
+    "path": "p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.ota.bin",
+    "md5": "f29c76d085ed25a09fc9454d294f3dd3"
+  },
+  "parts": [
+    {
+      "path": "p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.factory.bin",
+      "offset": 0
+    }
+  ]
+}
\ No newline at end of file
diff --git a/p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.factory.bin b/p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.factory.bin
new file mode 100644
index 0000000..416e895
Binary files /dev/null and b/p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.factory.bin differ
diff --git a/p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.ota.bin b/p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.ota.bin
new file mode 100644
index 0000000..c8888b2
Binary files /dev/null and b/p1-dongle-pro-smr2-esp32c3/p1-dongle-pro-smr2-esp32c3.ota.bin differ