How to fix Samsung Galaxy Note 9 not registered on the network. Although the Samsung Galaxy Note 9 is the phone with the best features, this does not make it immune to problems that even medium-low end devices suffer. Often it's not the phone's fault, but there can be various causes, one of which may be software.\r\n\r\nA sudden shutdown of the phone, the apps that create casinos, the out-of-date firmware, this and more can cause problems that can often be solved, without having to take the phone to a service center.\r\n\r\nThe error "Not registered on the network" is a common network interruption on many devices. It can happen suddenly, or it can be the result of a device failure. The resolution of this bug is not simple, so you need to take a series of steps to understand what caused the problem.\r\nHow to fix Samsung Galaxy Note 9 not registered on the network or network error\r\nSamsung Galaxy Note 9 not registered on the network\r\nFirst, try resetting your network settings. This action restores the network and mobile data settings. To do this, go to Settings >> Device Information >> Restore.\r\n\r\nHere tap on Restore network settings and then tap the Reset settings button.\r\n\r\n \tOpen the Settings app.\r\n \tTap on General management.\r\n \tTouch Restore.\r\n \tTap Reset network settings.\r\n \tTouch the RESET SETTINGS button to confirm.\r\n \tRestart your Samsung Galaxy Note 9 and check if you have solved the problem.\r\n\r\nA warning will then be shown "This action cannot be canceled". If you are sure to perform this action, tap Reset Settings again. Restore network settings. When finished, reboot the device and check if the Samsung Galaxy Note 9 error not registered on the network has been resolved.\r\nHow did we insert the SIM?\r\nA badly inserted SIM card is quite common nowadays and this translates into No service or unregistered on a network error. Make sure the SIM Card is inserted correctly in the tray if you have a very old SIM Card try replacing it with a new one. Once you are sure that the SIM card is inserted perfectly, restart the phone and check if the error has disappeared.\r\n\r\n \tTurn the phone off.\r\n \tRemove the SIM card carefully.\r\n \tWait at least 10 seconds before turning the phone back on.\r\n \tThen reinsert the SIM card and check if the problem has been solved.\r\n\r\nMany devices are released with limitations from the operator. Therefore, we recommend that you try the SIM card of another provider. If this procedure resolves the error not registered on the network, it means that it is not possible to use the SIM card of the current operator. It may require the installation of a non-brand firmware.\r\n\r\nJust go to Settings >> Connections >> Mobile Networks >> Network Mode, here Change the network mode to LTE \/ 3G \/ 2G (automatic connection). Restart the phone and check if the error has been corrected.\r\n\r\n \tGo to the Settings section on your Samsung Galaxy Note 9 not registered on the network. Then, on the option "mobile networks" and "SIM cards".\r\n \tIf you do not find the "cellular networks" option,\u00a0 then go to the "More settings" section.\r\n \tThen, go to the "mobile networks" option.\r\n \tThen on "Network Operators".\r\n \tAfter completing the search, select your appropriate mobile operator.\r\n \tThe mobile operator is to choose the company of the SIM card services, such as Vodafone, Tim, Wind, etc.\r\n\r\nMake sure the SIM card has been cut correctly. Once you have made sure of this, insert the SIM in the tray or slot and make sure you have it properly inserted into the phone. Restart the device again and check if the error has been resolved. You can try a friend's or relative's SIM to see if it's an operator error or a problem with your SIM.\r\nWe restore the Galaxy Note 9 to the factory values\r\nClean the phone. If in spite of everything you have not solved the problem, we must consider performing a Hard reset on the Samsung Galaxy Note 9.\r\n\r\n \tCreate a backup of your data.\r\n \tTurn off the device.\r\n \tPress and hold the Volume up key and the Bixby key, then press and hold the power key.\r\n \tWhen the green Android logo appears, release all the keys.\r\n \tPress the Volume Down key several times to highlight 'delete data\/factory reset'.\r\n \tPress the power button to select.\r\n \tPress the Volume down key until 'Yes - is highlighted. Delete all user data'.\r\n \tPress the power button to select and start the factory reset.\r\n \tWhen the restore is complete, you will see highlighted "Restart the system now".\r\n \tPress the power button to restart the device.\r\n\r\nIf you have performed all the procedures of this guide to solve the problem Samsung Galaxy Note 9 not registered on the network,\u00a0 but you did not succeed, you just have to take the phone to a service center.