The first time you see No Service on your Samsung Galaxy A9, A8, A7, A6, A5, A4, A3, you don’t really get what is going on. When you realize that no service means that you cannot do pretty much anything, you become agitated. This is a serious issue and you want to why and how did your smartphone end up not being registered on the network and having no signal.
If you restore the IMEI number to fix the no signal error, you may no longer have to go through the tutorial presented below. Until then, however, have a little faith. The most common problem is the accidental turn off of the radio signal. Wi-Fi issues or even the GPS issues can do that to your Samsung Galaxy A9, A8, A7, A6, A5, A4, A3 and you can try at least three things on this occasion:
Make some investigations from the Service mode on A9, A8, A7, A6, A5, A4, A3
The Service mode can be accessed by dialing a special code. As long as your carrier hasn’t blocked the access, you should be able to do that by taking the following steps:
- Open the Phone app;
- Switch to the Dial pad tab;
- Type in (*#*#4636#*#*);
- The Service mode should launch automatically after you type that code;
- Once you get to it, navigate to Phone information or to Device information;
- Select the option Run Ping Test;
- Tap the Turn Radio Off button;
- Wait for the Samsung Galaxy to restart;
- When it does that, select Reboot to return to the normal running mode.
Don’t ignore your IMEI number either
From what our readers describe, a null or an unknown IMEI number can have the same No Service effects. While this situation isn’t very uncommon, the solution isn’t quite complicated either. In fact, this is something we have discussed in the past. Check out how to Restore a NULL IMEI # on a Galaxy phone and Fix the Not Registered On Network error.
Finally, suspect your SIM card
For some users, taking the SIM out and putting it back after a few moments proved to be a saving solution. If that doesn’t clear the No Service message from the display, it would be extremely helpful if you could insert a new SIM card and see how it goes for your Samsung Galaxy A9, A8, A7, A6, A5, A4, A3.