Why does my SIM card keep saying no service?
Sometimes in order to fix a No Service and Signal on Android problem, you’ll need to deal with the Sim card. … You may have bumped your phone somewhere and dislodged your Sim Card a bit. In order to check if your Sim Card is properly connected to your Android or Samsung device, you’ll want to turn off the phone.
What do you do when your Sim shows no network?
How to fix “Mobile network not Available”error on android phones
- Restart Your Device. …
- Remove SIM Card and Put it Back. …
- Check Network Settings. …
- Check whether phone is in Roaming Mode. …
- Update the phone system to fix software bugs. …
- Turn off mobile data and turn on it again. …
- Turn off WiFi. …
- Make sure Airplane mode is turned off.
Can a bad SIM card cause no service?
Cell phones use cellular antennas to communicate over radio waves, so a bad Subscriber Identity Module doesn’t affect your signal strength. However, since SIM cards contain subscriber information, a dysfunctional card can prevent you from joining your network.
Why does my iPhone keep saying no service?
Service interruptions may be caused by a simple setting change, such as Airplane Mode or carrier settings. In a few cases, the iPhone needs to have its cellular settings updated through a software update from your cellular service provider. Less often, you need to reset or replace the phone’s SIM card.
Why is my phone saying no network connection?
Toggle Airplane Mode. Another very effective solution to the no service or signal issue on Android and Samsung devices, is to manually try connecting to the service provider. All you need to do is toggle airplane mode on and then back off so that the device attempts to connect.
Why won’t my iPhone read my SIM card?
Remove your SIM card from the SIM card tray and then put the SIM card back. … Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.
What is the use of * * 4636 * *?
If you would like to know who accessed Apps from your phone even though the apps are closed from the screen, then from your phone dialer just dial *#*#4636#*#* it will show up results like Phone Information, Battery Information, Usage Statistics, Wi-fi Information.
How do I know if my SIM card is bad?
If you encounter any of the issues listed below then you might have a SIM card that is not working properly anymore.
- Calls being interrupted, or messages delayed.
- Pin code requested without rebooting the phone.
- Sound quality decreasing.
- Battery life reduced.
- Phone getting warm.
What to do when network is not working?
Restart your wireless router.
Often you can: Unplug the router from the electrical outlet and make sure the lights on the router go out. Wait 30 seconds. Plug the router back in and wait 30 seconds for all the lights to come back on.
What can cause a SIM card to stop working?
Some of the problems with the SIM slot that can cause this problem: – SIM Card not inserted properly. – Loose SIM slot resulting in the card losing the connection with the reader of the device. – Accumulation of dust over the slot and SIM card reader making the slot incapable of reading the card properly.
How do you fix an iPhone when it says no service?
If you see No Service or Searching on your iPhone or iPad
- Check your coverage area. …
- Restart your iPhone or iPad. …
- Check for a Carrier Settings update. …
- Take out the SIM card. …
- Reset your Network Settings. …
- Update your iPhone or iPad. …
- Contact your carrier. …
- Get more help.
Why my SIM network is not working?
Method 1: Remove Battery and SIM Card
The network error can be fixed by re-inserting the SIM card properly. Here are the steps you need to do. Step 1: Power off your Android smartphone and remove both battery and SIM card. Step 2: Wait for about 5 minutes and then insert SIM and battery.