Introduction: How to Fix “No Mobile Network” Error
It is obviously a grim situation for you when you face “Mobile Network Not Available” issue while trying to call your mates time and again. It is quite frustrating and you can’t help going out of it. Luckily! There are some handy solutions to fix this error. Most probably, you face this error while using Samsung Galaxy phones, but the users of other Android devices also complain for having the same issue often. Here is how you can fix this error.
Step 1: Choose Cellular Network Manually
If you face this issue, just repeat the network selection process once again to avoid it for the next time.
Open “Settings” menu.Look for “Wireless and Networks” category where you have to tap the option “More”.Now select “Mobile Networks”.Click “Network Operators” and select “Manual”. Once you have done with it, restart your Android phone to get rid of this issue. Yes! Now it is working well.
Step 2: Fixing Improper Radio Signals Broadcasting
Dial *#*#4636#*#* from your Android phone.There will appear a “Testing Menu”. Select “Phone Information” from the category.Now an option “Run Ping Test” will appear on the screen. Tap this option.Scroll down the page where you will see a drop down menu. Tap this menu to show its options. Now click “GSM Auto (PRL).Below will be the option “Turn Radio Off”. Select it and reboot your phone to work it effectively. Now you will get rid of the problem for sure.
Step 3: Fix Firmware Problem
Occasionally it is due to the firmware problem. When you update the firmware, it is automatically fixed. So what you need to do is to update your software.
Tap “Settings” and look for the option “About Phone” that lies at the bottom of the list usually.Select “System Updates” to update your phone’s system.If there are some updates available, you need to install and then reboot your phone. There will be no issue of “cellular network not available”.
Source: http://www.pingzic.com/mobile-network-not-available-fix/