sfx2000
13
If you have access to u-Boot, you may be able to restore all the partitions by copying from another MT300A of the same HW version…
Can’t remember at the moment where the MAC addresses are stored (factory I think on the mediatek devices), so you’ll end up with a clone, but if one knows the offset, one can hex edit the file and change those octets back to the original…
That’s all contigent upon uBoot not being borked of course, and one having the appriorate USB-UART cable and appropriate skillset to get into the deeper gubbins…
These things are almost impossible to totally brick unless uBoot is messed up, and even then…