Among them, the TFTP user TL-R402 series router upgrade, the rest of the model router using WEB page upgrade.
Note: the upgrade process cannot be powered off; otherwise, the router may be damaged and cannot be used.
[TFTP upgrade]
1. Log on to the vro management page and choose System Tools> software upgrade ":
2. Shut down the system's built-in fire wall and the built-in fire wall, and then run the tftpd32.exe program in the software package:
After running, the tftpd32.exe program is minimized and never shut down (the program can be closed only after the upgrade is completed );
After the 3366tftpd32.exe program is enabled, you can click "upgrade" and wait until the upgrade is complete.
[WEB upgrade]
1, Log on to the vro management page and choose System Tools> software upgrade ":
2. Click browse and select the upgrade file:
2. Click browse and select the upgrade file: