Step 1: On a USB Flash Drive.
• Format the flash drive (File system FAT32).
• Download the last Firmware. Mag250 Mag254
• Unzip the file to the Flash Drive.
• This will create on the Flash Drive, a directory mag250, containing 2 files.
• 1. bootstrap
• 2. imageupdate
Step 2: On Mag250 or Mag254
• Enter The BIOS.
• Power off Mag250/Mag254 (Power Cable OUT).
• Press and hold «menu» button on the Remote, Power On Mag250/Mag254. (Insert Power Cable).
• Select “Upgrade Tools”, pressing enter on the remote control to the right.
• Select “USB Bootstrap”.
• Connect the USB flash drive (USB back panel) and click OK to confirm the beginning of the update process.
• Wait for the update, Mag250/Mag254 will reboot.
Download firmware’s from here:
Old versions
http://tv.tenet.ua/firmware/mag254/
Or
New versions
http://soft.infomir.com/