A common issue when setting up a smartphone for the first time, such as a errors with older phones might be unavoidable moving forward, modern issues with these errors should be easy to fix with some light troubleshooting. Major phone companies are ending their 3G network , leaving older devices without cellular data. While that might affect older Android phones and devices like Kindles, modern Samsung phones likely face SIM card errors due to settings issues.
s experiencing a 'SIM 1 Not Allowed' error on their the SIM card is installed correctly. The issue can also be caused by an incompatible SIM card, as there are different size standards for different phones. To find specific details on the correct installation for a certain device, look at the quick start guide included with the smartphone, or the cellular carrier that provided the SIM card.
Settings Can Cause SIM Errors
Discrepancies within the phone's settings can also be the cause of SIM card errors on Android smartphones. Specifically, whether a phone is set to use an eSIM or physical SIM can cause the 'SIM 1 Not Allowed' error. If the phone has been set up to use an eSIM, which does not require a physical SIM card, it will reject any physical SIM card installed in the first SIM card slot. To check this, open the settings app and navigate to the cellular settings. Here, s will be able to see whether the phone is set up to use an eSIM or physical SIM, and whether it is installed properly. If it is set up for an eSIM, simply change the setting to recognize the physical SIM card. In some cases, this might require ing the cellular carrier.
To use cellular services on any network, phones are assigned an IMEI number that identifies the device. This is used when reporting a phone as lost or stolen, and if the 'SIM 1 Not Allowed' error persists, it may be due to a blacklisted IMEI number. To check this, there are many online databases that can be used to the status of an IMEI number. If the phone was recently purchased, it may be lost or stolen, which would prevent it from being activated on a cellular network. However, if the phone was recently purchased as new, it's likely the designation was made in error. For errors with IMEI numbers, or persisting 'SIM 1 Not Allowed' errors, the original point of purchase or the cellular carrier that's ing the smartphone.
Fixing The 'SIM Not Provisioned For Voice' Error
Another frequent SIM-related issue that can pop up on smartphones is the 'SIM Not Provisioned For Voice' error. This error prevents s from being able to make voice calls. There are a number of ways s can troubleshoot the issue, since the root cause involves the SIM not being connected to the network provider. The easiest way to fix this is by turning Airplane mode on and off. Airplane mode disconnects all network connections to the phone, and forces them to reconnect when it's turned off. The Airplane mode icon can usually be found in the quick settings dropdown on an Android phone.
Another potential fix is for the voice error is updating the carrier services settings. To do this, open the Google Play Store and search for 'Carrier Services.' It should be the app made by Google. Tap on 'Update' and check if the error has been resolved. s can also try some of the fixes mentioned for the 'SIM 1 Not Allowed error' that are outlined above. If all else fails though, s might need to their carrier to resolve the issue with their smartphone.
Manage SIM Cards On Your Samsung Phone
Different Samsung phones come with different SIM card compatibility, and it's important to understand what's ed before troubleshooting any SIM-related errors. A Samsung phone might have a single nano-SIM card slot or dual nano-SIM, the latter with space for one SIM card at the top of the tray and another at the bottom. Modern flagships like the Galaxy S22 and Galaxy S23 series both a physical nano-SIM and an eSIM, enabling dual SIM functionality.
Regardless of which type of dual SIM a Samsung phone has, s can manage them by going to Settings, tapping 'Connections' and then 'SIM Card Manager.' Tap the SIM that needs to be enabled, and then tap on the toggle to turn it on. s can also choose to give the SIM a name, such as 'Work' or 'Home.' From the SIM Card Manager menu, dual SIM s can also set a preferred SIM to use for calls, texts, and mobile data on their Samsung smartphone.
Source: Samsung