Attentions: 1. Ensure sufficient electricity quantity for WiFi series products feature large power consumption. Be sure to remember that it should be used after full charge; the insufficient electricity quantity will lead to poor connection, failure on signal searching, frequent off-line and unstable video etc. So, if you encounter the problem mentioned above, please charge the device and re-start it after charging. The step will solve all problems. 2. Once power on, the indicator light keeps lit. No connection under this state. Connect it to your cellphone until the indicator light flashes. 3. Never to watch videos by directly opening mobile software. Make sure that you¡¯ve already connected the hot-spot of this WiFi product before opening the software. Otherwise, you will fail to watch videos normally. 4. Only the original charger can be used for charging this WiFi products.Richard Werner