Bb5 security test failed problem
 

hi mates.. i have two unit here 6303c and 6301.. problem is contact service cause of security test failed. ive try to auxilliary pm in mxkey.. its complete write pm but still contact service and still security test failed. how to solve this?????????? i use only mxkey dongle with ufs interface.........tia

bro just make mark on "load rfbb from server " and not load any pm file

just click on pmm auth and wait untill phone goes to auth on server

once phone goes to auth on server then click on write .........

backup all security area

and ty offline sx4

Final Solution 100% Sure
1. backup NPC
2. reset NPC
3. Write PM 1 and 309 Using SuperSDAuth
4. Write RPL
4. recover Certificate (At times it is not necessary )