S7 Edge: Internet randomly stops working until reboot


Question

My Samsung S7 Edge (Android 7.0) has lately developed the following problem: every once in a while, at seemingly random times, the internet stops working - in any app, and both on WiFi and on mobile. Connectivity is only back to normal when I restart the phone.



This occurs maybe once every 2 days or so, and is as you can imagine very disruptive. I've let it update the OS but even the most recent update did not fix (it may not even acknowledge) this bug.



Any ideas?


Answer

The following workarounds have been shown either to temporarily fix the connection drop issues or provide long-term solution (because this problem has been suggested to be attributed to a bug in hardware that may need specialised repair)




  1. Disabling ipv6 settings




    • Go to Settings >> Mobile Settings >> APN settings and edit your APN-settings. Disable/remove IPv6 and save it.


  2. Toggling to 2g/3g to bypass connection drops




    • As the issue has also been reported to have been attributed to a bug in LTE radio, changing the setting from lte mode to edge/hpsa mode can temporarily resolve the drop issues, and saves from rebooting device.




One user has also reported to have sent their device to service centre to get LTE calibration done, I have suspicion that it may be band incompatibility issue)



Other workarounds




  • reseting APN settings to default

  • switching SIM cards

  • send the device to service centre to get it checked and perhaps fixed.



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