Mikrotik rb2011uas rm not working after downgrade routeros. I tried to downgrade the routeros 6.00 to 5.25, after reboot the router not boot and shows the message loading kernel from nand. Please help me to recover this problem.
It seem then new revision rb2011 don´t supoort older firmware. Try reistal router with 6.1 and netinstall
http://wiki.mikrotik.com/wiki/Manual:Netinstall
It is sad that mikrotik does not inform about this issue
http://forum.mikrotik.com/t/rb-2011uas-rm-new-hardware-version-does-not-work-with-5-25/67335/1