Hey, dude, have you ever enable the SPI firewall and bandwidth control?

R1D2 wrote Yes, if you reboot between changes, either by unplugging or by using the web UI, the message Saving Configuration to FLASH will appear after saving the config. But without a reboot the...

I used V2 also I can upgrade it to V3. How did you do the test? I have tried to reboot the device by the GUI after configuretion saved, also unplug the power line. And I noticed the " Saving...

R1D2 wrote Yes, it's a bug in the firmware. The function " Save Config" works just one time after a reboot/power-cycle. You can see this when clicking " Save Config": a message " Saving Configuration...

Hey, dude,What's your demands? I mean why you need to do that.

mantonegro2008 wrote For what it decides, it is equal for both v4 and v2. It's hard to say, maybe they have different chips.