diff --git a/Update-firmware.md b/Update-firmware.md
index 1973f8f..b18157d 100644
--- a/Update-firmware.md
+++ b/Update-firmware.md
@@ -41,6 +41,16 @@ _HackRF CLI tools for MacOS available through MacPorts or Homebrew_
 Your PortaPack has a slot for a memory card. You need to provide a MicroSD with enough space (16GB is recommended, over 32GB will be omitted due the limits of the FAT32). This is necessary for certain functionality, like the world map, GPS simulator, external apps, and others. 
 
 Get the latest files from the [![GitHub release (latest by date)](https://img.shields.io/github/v/release/eried/portapack-mayhem?label=Releases&style=social)](https://github.com/eried/portapack-mayhem/releases/latest) page. You need to uncompress (using [7-zip](https://www.7-zip.org/download.html)) the files from `mayhem_vX.Y.Z_COPY_TO_SDCARD.7z` to a FAT32 formatted MicroSD card. 
+> [!NOTE] 
+> How to put into sdcard?  
+> Extract the root directory of the 7z archive into the root directory of your sdcard. 
+>  - Don't directly put the 7z archive file into sdcard  
+>  - Don't extract into any sub-folder of sdcard  
+> ![Screenshot_20240121_101958](https://github.com/portapack-mayhem/mayhem-firmware/assets/24917424/e14a2ef7-37bd-4a00-b19f-101235093e01)
+
+
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+
 
 ### External Apps