1. Unlock the screen lock of the iOS device: When modifying the virtual positioning, make sure that the screen lock of the iOS device has been unlocked, otherwise the virtual positioning cannot be successfully modified. Please swipe Unlock or enter the device password to unlock the screen.

2. Upload failed: Virtual location failed. Please restart the device and reconnect to the computer. Sometimes the connection problem between the device and the computer will cause the upload to fail.

3. Installation failure: Virtual positioning is still impossible after restarting the device. Please change the computer network or connect the computer to a mobile phone hotspot. Sometimes network problems can cause the load to fail.