When I adb reboot fastboot and then fastboot flash boot boot_V600EA10o_00_1118_magisk.img I get the following error:
sending 'boot' (98304 KB)...
OKAY [ 2.259s]
writing 'boot'...
FAILED (remote: Cannot flash this partition in unlocked state)
Solved (sort of). I needed to give it the specific boot partition to write to for the error to go away eg:
fastboot flash boot_a boot_V600EA10o_00_1118_magisk.img
I now have a new issue. When I flash the boot_V600EA10o_00_1118_magisk.img rom from OPs post, my phone becomes terribly slow/unresponsive...and I cannot turn on WiFi or NFC and I get random reboots and crashes.
My LM-600EA is the SWC (Swiss) variant and according to THIS PAGE there are 4 different roms for the 100_00_1118 rom (based on locality... POC / NLC / SWC / VDI). I assume OPs extracted boot.img rom came from a different country version to the one my phone needs.
I followed THIS GUIDE on how to extract a boot.img from a .KDZ firmware. I was able to get the .DZ extracted file, but when I used to LG Extraction Tool to get the boot.img file, it saved a 0 byte file.
Is there any chance @olavbson (OP, or someone) can please tell us how to successfully extract the boot.img file from any given v60 rom so we can patch and flash it for our specific models?
If not, is someone with the know-how able to plase post patched boot.img roms for Android 10 and Android 11 roms so we can flash them successfully?
Cheers