


It is safer but you need to build OpenWrt every release on your own.MikroTik RouterOS is in constant development and new features or bug fixes are frequently available, sometimes even monthly.

I'm not familiar with these procedures but I know they are dangerous.Īs a workaround, you can build your OpenWrt for that device, reverting the changes to the partition and image generation. Without a SPI programmer, you need to flash the backup using the u-boot command line or an Openwrt(old) build that unlocks the u-boot, the u-boot-env, and the factory partitions. To flash the full flash backup (16 MiB), the safest way is using a SPI programmer, because with a programmer you can recover possible bricked devices.

Flashing my provided RouterBOOT+OpenWrt (snapshot) may be simpler because you do not need to install Openwrt again after that. Since I no longer have this device, please use at your own risk. original binary data of my device):īinary of RouterBOOT + OpenWrt (snapshot): How to install to RB750GR3? Installing and Using OpenWrtīinary of RouterBOOT + RouterOS (i.e.
