Before we could resolve your inquires, please check on the following instruction below:
1. Might be due to phone network unstable and retry in 30 minutes
2. Please verify phone signal stability by moving to a location with stronger signal
3. Clear cache and blacklist, disable firewall
4. Restart the device.
If non of the above work , please provide us your phone model , operation system ( IOS or Android ) , country & city that you are accessing from, you may "Contact Btlux customer service" or "Submit a request" in the Help Center and upon investigated we will get back to you soonest possible.