Try searching some of the info in settings/about phone to see if you can determine the proper ROM. Some others may work, I'm not positive, but they may not work properly.
It is best to flash the correct ROM if at all possible.
Sent from my Nexus 7 using XDA Premium 4 mobile app
Show some appreciation to those who have helped you by using the Thanks button!!
One Click flash back to stock for Moto Razr HD/Maxx HD Here
[Guide] Moto Razr HD/MaxxHD flash: to KK, root, unlock the bootloader, install cwm, install twrp, or revert back to JB from KK Here
Are you a Noob and not sure where to post your question?
Noob friendly thread for questions about any device Here
To insure i see your reply, always QUOTE me or use @bweN diorD Thanks