The firmware T401 of SM-332B

   ** Caution: this firmware is applied to SM-332B or SM-332B_DOM.

How to upgrade the firmware in Windows.
 
1. Download  zip files to your C: drive. 
2. Unzip the zip file, and you can find the 'Sfdnwin.exe' and 'T401.BIN'
3. Run the 'Sfdnwin.exe file on windows. 

4. When there's pop-up menu, you choose SYSTEM. 
   Press the OPEN, and take the file what you want to down. 

5.If you press  "FLASH", download is started. 

6. When the FIRMWARE DOWNLOAD is completed,  power the PC off.
  Boot up the PC again. 

