All of the information I will conclude on this one.
AM Issue:
For the problem of AM Issue, we have already done AM upgrade version 2 and changing the battery for some branch and of the track record don’t see problem again. Compared with to where I am do upgrade AM version 2 only. during which we completed our VX porting it to replace the battery.
ERM + Vx820
: As we have problem on T4+Vx820 support ERM have effect to some UPI transaction and it pending to fix issue we will propose to replace to Vx520+Vx820 support ERM, then we have to talk around the BIG C on the development time around 3-4 months, then it seems to ok for them.