Seems like something is broken in the U-Boot of the router,
I’ve reset the fw_env.config with the command echo '/dev/mtd0 0xF0000 0x10000 0x10000' > /etc/fw_env.config
But if I run the command ‘fw_printenv’ I’m getting ‘ Read error on /dev/mtd0: Attempted to read 65536 bytes but got 0’
Which seemed to be documented in the forum here Fw_printenv not working
Weirdly enough I used the solution and it ‘worked’ but the command fw_printenv doesn’t get stuck but return an error as /dev/mtd2 doesn’t exist but nor-update has been updated…
Not sure if it’s all right.