Please Read The Following Instructions Before Downloading
Please do not remove the power supply during the upgrade as it may results in malfunctioning on the device. Using the original car charger for upgrade in the car is highly recommended. If you were to upgrade at home, please make sure the power source can provide sufficient 5V/1A output. Insufficient power supply may lead to upgrade failure. You may contact us at "firstname.lastname@example.org" when encountering any problem.