Lumia 929 icon "not for resale"

I have just noticed that the native archiver is installed in my phone. In my opinion on his windows phone 8.0 shouldn't be.
 
@DylanCochard

Thank you very much. I will try find another way. Or just remove the motherboard.

If you did not try it and are still wondering you can flash prototypes normally. For your error you should get it to flash with this command.

thor2.exe -mode uefiflash -ffufile <path-to-FFU_file> -skip_signature_check