diff --git a/docs/Application_guide/en/firmware-upgrade/firmware-ota-delta-package-making.md b/docs/Application_guide/en/firmware-upgrade/firmware-ota-delta-package-making.md
index 85d98991dc29497de085612ec5f4d5789c13bb6e..ac5f5fb0d3c4c8fde90890cf29fccac3d6c960bb 100644
--- a/docs/Application_guide/en/firmware-upgrade/firmware-ota-delta-package-making.md
+++ b/docs/Application_guide/en/firmware-upgrade/firmware-ota-delta-package-making.md
@@ -2,9 +2,9 @@
 
 This document introduces the method of making QuecPython FOTA upgrade packages.
 
-## EG91xN Series
+## ECx00N & EG91xN Series
 
-### DFOTA Upgrade Solution
+### DFOTA Upgrade Solution 
 
 1. Click the "upgrade" icon and select "**ASR Fota**".
 
@@ -20,6 +20,37 @@ This document introduces the method of making QuecPython FOTA upgrade packages.
 
 ![](../media/firmware-upgrade/firmware-ota/ota_package_make_1.png)
 
+
+
+## ECx00M&EGx00M Series
+
+### MiniFOTA Upgrade Solution 
+
+1、Click the "upgrade" icon and select "**ASR Fota**".
+
+2、In the pop-up window, select "**Minimum system Fota**".
+
+3、Select the current firmware file.
+
+4、Select the target firmware file.
+
+5、Select the file system bin file, i.e., the partition storing user files. You need to select the `customer_fs.bin` from the firmware package after merging user files. Refer to the following steps for how to obtain it. (Optional)
+
+6、Select the output folder for the upgrade package.
+
+7、Click "**OK**" to generate the upgrade package.
+
+![](../media/firmware-upgrade/firmware-ota/OTA7.png)
+Method to Obtain the File System Bin File from the Firmware Package:
+
+1.If the merged firmware has a `.bin` suffix, manually rename it to a `.zip` suffix. If it is already a `.zip` file, skip this step.
+
+2.Use decompression software to extract the firmware package with the `.zip` suffix.
+
+3.Obtain the `customer_fs.bin` file from the firmware package, which serves as the file system bin file.
+
+![](../media/firmware-upgrade/firmware-ota/OTA11.png)
+
 ## EC200A Series
 
 ### DFOTA Upgrade Solution
@@ -36,9 +67,9 @@ This document introduces the method of making QuecPython FOTA upgrade packages.
 
 ![](../media/firmware-upgrade/firmware-ota/ota_package_make_2.png)
 
-## EC200U Series
+## ECx00U & EGx00U &ECx00G Series
 
-### DFOTA Upgrade Solution
+### DFOTA Upgrade Solution 
 
 1. Click the "upgrade" icon and select "**Unisoc Fota**".
 2. Select the *.pac* file in the current firmware folder.
@@ -51,8 +82,18 @@ This document introduces the method of making QuecPython FOTA upgrade packages.
 
 ![](../media/firmware-upgrade/firmware-ota/ota_package_make_3.png)
 
+
+
+## ECx00E Series
+
+### DFOTA Upgrade Solution
+
+To be supplemented after QPYCOM tool support.
+
+
+
 ## BG95&BG600L Series
 
 ### DFOTA Upgrade Solution
 
-There is a specific tool for making DFOTA upgrade packages, which is not open to the public. You can apply to Quectel for the upgrade package of the corresponding version.
\ No newline at end of file
+There is a specific tool for making DFOTA upgrade packages, which is not open to the public. You can apply to Quectel for the upgrade package of the corresponding version
\ No newline at end of file