Overview
1. Please send us the device serial number with picture to our Email
2. No Need Shipping. No refund service
3. This is Only for Software Update, Without Hardware Warranty. Please Notice
4. It Will Take 1-3 Working Days To Be Finished. We will send you activation code for updating online or open the authorization to your deivce directly.
5. Suitable for: OTOFIX IM2 that purchased from online dealer