I have 19.07.2 on an WRT1900ACv1(mamba) and want to go to the latest release, (currently 21.02.3). (I think) I have discovered that the kernels in the days of the 19.x.x series releases were 3mb in size, but the 21.x.x kernels are 4mb in size. And because of this, I can not simply use sysupgrade's…

well, I used the sysupgrade button to install the factory.img file and it seems to have worked. As expected, I lost all my settings, and had to connect with wired ethernet to set up the device since openwrt has all radios off by default.... grumble... But after some fiddeling, my settings are keye…

How to upgrade to a larger "kernel partition" on WRT1900ACv1

Installing and Using OpenWrt

hnyman July 11, 2022, 8:43pm 3

Like Pico already said,