This article explains the best ways to fix the “no mobile data” and “no network connection” error messages on Samsung smartphones. The solutions on this page range from software and operating system tips to phone hardware repairs, all with the aim of helping you get mobile data working again on your Samsung device.
Simple Steps to Fix Samsung Phone Mobile Data Not Working | Android
If mobile data is not working properly on a Samsung smartphone, it is often due to a specific setting or mode, such as Airplane mode, that is enabled or the wrong preferences that were selected after switching to a new mobile carrier.
A damaged SIM card can also cause the network connection of a Samsung to not work properly. Disruptions in the mobile network can also be the cause.
It's best to go through them in order, as they are arranged from easiest and quickest to more complicated and time-consuming.