Here is how to fix Network errors on Samsung Galaxy S5, S4, S3, S2, Note and other Android phones.
Insert SIM card error and Not Registered On Network occurred in many phones and smartphones like Samsung Galaxy S5, Samsung Galaxy S4, Samsung Galaxy S3, Samsung Galaxy S2, Samsung Galaxy Note 3, BlackBerry and other Samsung phones.
The problem is when you try to call or use the internet, the error says “Insert SIM card” or “Not Registered On Network“.
When you trying to open Mobile Networks, it says “Insert SIM card to access network services?“. But there are tons of users still fascinating Not Registered On Network Error, so here is a way we will try to fix these type of errors and that will solve your problems.
Step 1: Power Off your device for 2 minutes and then start it.
Step 2: First go to Settings.
Step 3: Go to Wireless and networks.
Step 4: Tap the Mobile Networks.
Step 5: Press the Power Button and Home Button for 15 Seconds. Your Smartphone automatically blink with black screen, don’t worry about it, it’s safe.
Step 6: After some seconds, your phone will automatically reboot.