step 1: Click the “setting” in the menu
step 2: Click the “operation setting” and open the “user-defined panel”
step 3: Move the “shooting” and “aim” to the correct superposition
step 4: Install the device to phone
step 5: before playing games, lock the phone screen for 3 seconds, then unlock phone screen to activated trigger
step 6: Enter the simulation battlefield test
Note: if trigger do not work, please keep your fingers touching with screen