How to recover the MAIN PCB

Hi. The camera died during the firmware process. Looking for service files to restore the camera. Service manual. 6-4 how to restore the main circuit Board (dnloader.bin, ONBL1.bin, ONBL2.bin, update.bean, rum.txt format).

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0