There are 2 ways to change Xhorse VVDI BE key frequency between 315 MHZ and 433MHZ. Xhorse BE key is designed to work with VVDI MB Tool and other MB key programmers.
1. Remove PCB FRE resistor change to 433MHZ.
2. Change Via VVDI MB Tool Software.
You can use VVDI MB software check key frequency firstly in EIS Software,other function set frequency.
Then it shows 315mhz when you read frequency.
Choose 433mhz to set,and check frequency again.
Video Guide:
