diff --git a/README.md b/README.md
index b0e5421..ca5944e 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,12 @@
 
 ## Update firmware to specific version
 
-1- Download [n24ur40w](https://download.lenovo.com/pccbbs/mobiles/n24ur39w.iso)
-2- install `[geteltorito](https://github.com/rainer042/geteltorito)`
+1- Download frimware version: [n24ur40w](https://download.lenovo.com/pccbbs/mobiles/n24ur39w.iso) or download from vendor
+
+2- Install `[geteltorito](https://github.com/rainer042/geteltorito)`
+
 3- Generate .img from .iso `geteltorito -o t480_bios_n24ur39w.img /home/lb/Downloads/n24ur40w.iso`.
+
 4- Flash iso to USB `sudo dd if=t480_bios_n24ur39w.img of=/dev/sdX bs=4M conv=fsync status=progress`
 
 ## Prepare flahser
diff --git a/vendor/n24ur39w.iso b/vendor/n24ur39w.iso
new file mode 100644
index 0000000..00c95a4
Binary files /dev/null and b/vendor/n24ur39w.iso differ