When peoples have call to my number rings after 3, 4 seconds as display also wake ups anybody is facing this kind of incoming calls issue.

I am using Samsung browser instead of Google Chrome browser anyone has idea about which one is good browser for privacy, Samsung browser is need to install doest not comes as Chrome browser pre-installed??? Now adays privacy is life for us.

Found this unknoun number in message application as doesn't support 3 sim card extra unknown number also created it was on, has some doubt so turned offs this setting, how this created never found any option to remove this unknoun number.

Found this application in the play store as already installed as pre-installed showing no longer compatible. What does this application and why installed, anyone has indea about this application. 

While on the call my voice come back as voice call issue, anyone facing such kind of issue?