If hardware failure is involved, such as computer crashmobile phoneKey failure, etc., may need to be sent to a professional maintenance point for inspection.Remember to keep the purchase voucher and warranty information
If the software or application cannot be opened, try to clear the cache or update to the latest version.If the problem persists, please check whether the correct version has been installed or contact the developer for technical support
First of all, don't worry. Maybe the network connection is in a small condition.Try restarting the router or checkingmobile phoneWi-Fi，If it still doesn't work, try flying mode and switch back. Sometimes it can solve the problem
