G928G Error in Flash after reset FRP


I make a procedure to reset FRP

The phone comes with 6.0.1
I downgraded with SriLanka 4 files to 5.1.1
After this, flash sboot and modem and now I can reset FRP ok.

After all…

I try to flash again Latam firmware (1 file) 6.0.1 and get error at the final of ODIN process. I beleave that error comes when flash modem.

Can help me about this problem please ?
Many thanks and regards