The ‘Mobile Network State Disconnected’ is a network-related error that appears when your SIM card fails to register with the network. The problem is mostly faced by those who purchase a new SIM card.
It will also appear if you have set your phone’s network connection mode to the wrong network. For example, if you have a 5G SIM and select 3G/4G in your phone’s network mode, your phone will attempt to connect to the 3G/4G network instead of 5G.
This creates a network conflict because the SIM is supposed to connect to 5G only. This leads to the error message. Here’s what you can do to resolve the error.
1. Make sure your SIM card is activated
If you just purchased the SIM card, wait a few hours for it to be activated. Network operators usually send a confirmation message after a successful activation. You can try checking your SMS inbox to confirm that the SIM has been properly activated.
You can call them and ask for the activation status; they may ask you a few questions for authentication, but they will give you the proper reason for the ‘Mobile Network State Disconnected’ error message.
2. Restart your Phone
Network congestion is often the main cause of the Mobile Network State Disconnected error message. You can also restart your phone to refresh the network connection.
Your phone will try to make a new connection, possibly ruling out network congestion. Before following the next methods, restart your phone.
3. Set the correct network type on your phone
Android smartphones let you choose network settings between 2G/3G, 2G/3G/4G, and 2G/3G/4G/5G. If you have a 4G SIM card but the network mode is set to 2G/3G, the SIM card will fail to connect to the network and throw errors.
You need to make sure that you have set the network state on your phone to what your SIM card supports. If it supports 4G, switch to 2G/3G/4G.
4. Reset the APN Settings on your phone
Resetting the APN settings is the next best thing you can do to resolve the ‘mobile network state disconnected’ error message.
1. Open the Settings app and tap Mobile Network.
2. Pick the SIM card showing the error.
3. Tap Access Point Names.
4. Tap the three dots in the top-left corner and select Reset access points
5. Make sure the Signal Strength is good
A few users have reported that the ‘Mobile Network State Disconnected’ error message only appears when the network signal is low.
If you live in an area with poor network coverage, you may see this error while using the network features.
While you can’t do much to improve the network signal, you can call customer care and ask them to provide better coverage in your area.
6. Reset the Network Settings
If everything is fine, but you still get the error, reset the Network Settings. Resetting network settings will remove all saved WiFi networks, Mobile Data, and Bluetooth Settings.
If you use any proxy, you must reconfigure it after resetting. It’s easy to reset Network Settings on Android. And we have already shared a detailed guide on how to Reset Network Settings On Android.
7. Disable the Security Apps/Firewall/VPN
Firewall apps for Android are meant to block incoming and outgoing traffic. Sometimes, a wrong configuration or a few security apps can block network settings and signal reception.
If you have just installed a firewall or VPN, you need to disable it when you connect to the mobile network. You can also try uninstalling them and check whether the ‘Mobile Network State Disconnect’ appears.
8. Reinsert the SIM Card
A damaged SIM Card or a SIM card not inserted properly is another reason for the ‘Mobile Network State Disconnected’ error message. If everything has failed, you must pay attention to the SIM Card.
Turn off your smartphone and examine the SIM Card. Look closely for physical damage. If no damage is visible, reinsert the SIM card properly.
Once you have done this, power on your phone. Now, try accessing the services of your SIM Card and check whether the error has been resolved.
9. Contact your Network service provider
If everything fails, you have no other options besides calling your network service provider. You need to call them and explain your problem. Tell them when you get the ‘Mobile Network State Disconnected’ error message.
If there’s a network-related problem, the technical team will investigate and resolve it. If you don’t know how to contact your network service provider, Google it.
We have listed all possible ways to resolve the network error message. These are the best methods to resolve the Mobile Network State Disconnected error. If you need more help fixing network errors, let us know in the comments below.









