What if upgrading of a CPE fails?

Is there a mechanism to recover a cpe from a bad firmware flashing?

Guilherme,

Have you tried doing a Factory default of the radio?

Here are two links for references:
http://epmp.community.cambiumnetworks.com/customer/portal/articles/1317506

How Do I factory default a ePMP radio using the PoE jack method?
http://epmp.community.cambiumnetworks.com/customer/portal/articles/1521803