Yep
Telnet,
FTP
1. Format the memory card in the DVR. The card must be formatted in FAT32.
2. Remove the memory card. The DVR will turn off.
3. Copy the contents of the archive with the firmware to the root of the memory card. The file "
FW_DR 2800.bin" should appear in the root of the memory card.
4. Insert the memory card with the firmware into the DVR, DO NOT press any buttons. Insert the power cord. Use a complete charger or another at least 2 amps! Do not flash from a USB computer.!
5. The firmware process has started.
6. After the DVR turns off and turns on itself. The firmware is complete.
7. IMPORTANT! After successful firmware and the first start - remove the firmware from the memory card (you can format the card). Otherwise, it will be flashed every time you start!