This is a dual firmware device. I followed the wiki guide to install OpenWrt. The issue is that after 2 reboots the router boots the stock firmware and I have to use the 10/15seconds failed boots to boot to OpenWrt again.
Someone has already similar issue and they decided to install OpenWrt on both partitions. I don't want to do that.
Instead, I was wondering if I could move the stock firmware to the alt_kernel sector instead.
Any ideas how to proceed for that? A sketch of the steps would be helpful.
It is already set to your model (I have the V4, sorry I thought they were just different versions of the same thing). Choose 'Customize installed packages and/or first boot script'. and flash it with that.
It adds packages OpenWrt has determined should be on your router.
Then, let's see if it does it again.
I'll do some searching because most dual partition routers are warned against writing OpenWrt to both partitions.
Well, .06 is not official yet, so lets go with known stable .05 in the link
Then what if I get to install OpenWrt on the kernel sector then install OEM firmware on the alt_kernel sector... Then I don't have to tweak the setenv?
Did it again revert to OEM on the third reboot after you flashed it with current firmware, confirmed good (22.03.5 according to the firmware selector).
I try not to get ahead of myself and out think things; I tend to do things as told and if I have an issue duck duck go it.
OpenWrt 23.05 (at least 23.05.2) works also in this device but you can not install or upgrade to it without first doing bootloader variable fw_setenv kernsize 500000 change . Thus the supported version in above table is 22.03 series which is the last version which works out of the box without kernsize change. See more from below Installation of 23.05 or newer.
Have you verified that you are using the exact right kernel for your hardware/revision? Are there errors in syslog during startup? Have you considered doing the u-boot configuration which will allow you to run the more current kernel instead of the older smaller one?