Each phone model is sent to a multitude of different countries, which is why on many occasions it is common for problems to arise with the different networks that exist. Unfortunately this is one problem keeps coming back, mainly on older devices.
If you have a modern Android phone, this problem may not occur, even if you have a slightly older mobile phone and this problem occurs, here is the solution. Read this carefully tutorial in so you can fix the network problems that bother android.
What causes this problem?
Unfortunately when a connection cellular fails, it becomes virtually unusable, at least basic communication functions such as making calls, sending text messages, and even connecting to mobile Internet networks. For this reason we conclude that it is a very annoying problem that needs to be solved.
However, there are some common causes for this problem, such as:
Place without signal
The truth is that in most cases the problem arises because we are in an area where there is no coverage. For this reason, the first step to verify that it is not a problem with the device or with the network itself, is to check if the place where we are has a good telephone signal.
In relation to this, it is worth knowing what mobile networks are and how they work and their types, since in this way you will understand the symbols and codes that appear on your screen related to the signal and coverage.
Mobile not released
Another common cause of this problem is that the phone has not been unlocked, in other words it is unable to connect to any network. Many phones come with specific network contracts, in which case they will not connect to different networks. It is good to check it and therefore rule out that it is a different problem
IMEI block
A common reason cell phones do not connect to the network is that they are blocked. When a cell phone comes reported for theft, the most common is that its IMEI is blocked, in which case the mobile phone will not connect to any network.
Then check that your mobile has not been blocked, in that case you may have bought a stolen mobile, if you have any doubts about it, it is better to know the IMEI of your mobile and detect if it is reported as stolen, so make sure you have a legal and working device.
How to fix "Emergency calls only, mobile network unavailable and Android signal"
If, discarding the previous points, the problem persists, you can try a solution enough simple but effective. In fact you will not need any additional application, just enter the advanced settings of the mobile phone. Then follow this little tutorial to solve this problem.
Repair emergency calls only mobile network unavailable (first part)
- The first point is to know our IMEI, which is why in most devices it is enough to remove the back cover and look behind the battery of the mobile. There is usually the IMEI code, write it down.
- In case it is not there, another way to find it is to access the configuration information. To do this, open the settings and go to Phone information, in this section you will find the IMEI of your device, write it down.
- Next, go to dial (as if you were about to make a call) and dial *#*#3646633#*#*. After doing that, the system will direct you to a special configuration section.
- Scroll down to Connectivity, then click CDS information. In this place, locate the card Radio information and click on it.
- The telephone 1 will appear on the screen, click there.
Repair only emergency calls mobile network not available (second part)
At this point you should have your IMEI handy. For tutorial sake let's assume it's 311223344556677, let's continue:
- At the top it will appear AT+, hit there and enter the following code, which is where you will enter the tuo IMEI AT * EGMR = 1.7. "311223344557766 «
- As you may have noticed, we will not enter the IMEI as it is, in this case the last four digits must be changed by reversing 66 and 77. By making this investment you can solve the problem. Now press on SEND TO COMMAND and restart your device.
After this procedure the problem should be solved. If you are still unable to access the network, we recommend that you visit a specialized technician.
On the other hand, if even after checking all of the above, the problem persists, you can consider the following guide which also talks about why it is not possible to make calls from an Android mobile, supplementing the previous information.
