If you are in a Wifi connection then change it to a data connection. Also, check and make sure that your Airplane mode is turned off. Make sure that your Wifi or phone data is turned on. The Mint Mobile platform needs a stable internet connection to work properly on your device so if you are unable to provide it then the Mint Mobile might not let you login to your account. The next thing that you need to do is to check the internet connection. Also Read: How To Check Truconnect Application Statusĭoing power off and power on should solve any bug that is the cause of the Mint Mobile app having trouble opening from your device.