Shahriar.Rafii , Jun 22, 2018 : it's takes so long to connect to internet by mobile data . each time i turn it on it shows connected but no internet . then disconnect and again connect but no internet then disconnect again . even though 4g is available . it connects with 4g and then shows no internet then disconnect then connect with 3g and shows no internet . after continuing this for a minute then it connects to internet every single time .