spd 6530
 

I have china phones it is in 6530a cpu llike 9300 , 9220 agtel 7242 & other
so many china phones have com to me for repair & recently the phones wich com in there 6530a cpu
what is sicret behind it ?
So i have volcano, dregon, mirecel , & uct tool for
for china phone so i was try with every tool flesh read & write complet
but phone not on
& i download new flesh file & file read in complet on phone than write it . so write complet but not yet working plz help me
what can i do ?
What is sicret in this cpu ?