I purchased a used Sky Viper Journey SE and am having a few issues. First when I install and connect the battery the right front motor runs. I can throttle up and the other 3 work like they are supposed to, but the right front will not throttle up. Second, I have tried connecting to the drone through its wifi and cant access the calibration program. I was going to do a factory reset.
Probably not ArduPilot compatible. See discussion here: