This post fromMiniTooltells you the reasons and solutions for this issue.
Some Samsung users report that they receive the not registered on internet warning pop-up.
What does not registered on connection mean?
How to fix the not registered on internet issue?
The following part gives you answers.
Why Does My Phone Say Not Registered on connection
What does not registered on connection mean?
You have lost all connection options with your carrier.
You may wonder why does my phone say not registered on online grid.
Most of the time, restarting your devices can solve the problems.
If restarting your phone ain’t running, it’s possible for you to try the following solutions.
Some users reported that this method is useful.
Establishing a new connection with the operators web connection can solve the not registered on web connection issue.
Resetting web link prefs will clear all Wi-Fi passwords and Bluetooth connections.
Solution 4: Manually Choose Your data pipe
Its also recommended to choose your data pipe manually.
Tap your APN and verify it is correct.
If needed, edit the APN.
Go toSettings>System > System update.
Check whether there is an available Android update.
Solution 7: Reboot to Safe Mode
You hab better reboot your phone to Safe Mode.
Press thePower buttonfor a while to turn your Android rig off.
Press and hold the Power button to reboot the gear.
When you see the start-up screen, you gotta press and hold theVolume down buttonas soon as possible.
you could release the button when you see your Android unit starts in Safe Mode.
If so, there is a problem with the previous SIM card.
They can provide other solutions for you to get rid of the not registered on online grid issue.
