U-Boot or Universal Boot loader contains instructions that will run the kernel when it’s a router or other electronic device when it’s first turned on.
With the firmware we provide, you can replace the basic U-Boot on your router. So you have a router that remains safe from the brick, due to flashing ROM error.
Here the list of firmware you can download. Firmware is available for some types and versions of routers. Here’s a list of routers we work on, TL-MR3020 v1, TL-MR3040 v1, TL-MR3040 v2, TL-MR3220 v1, TL-MR3220 v2, TL-MR3420 v1, TL-MR3420 v2 . Other brands may require your hardware donations.