5 Causes of Android Phones Cannot Send SMS and Solutions

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Technolatief - Now nobody doesn't own a smartphone. This means that smartphones have entered all aspects and elements of society and have even become one of the necessities that must be met. There are many benefits that we can get from smartphones. 

One of them is to send messages and share our moments through various chat applications such as WhatsApp, Instagram, and so on.

However, along with the use of a smartphone for a long time, it can cause problems with the smartphone. One of the problems experienced is that Android phones cannot send SMS. 

This problem certainly makes us confused because we cannot contact the people closest to us. Then how do I fix it?

In the following, we already have information about what causes an Android phone not being able to send a complete SMS with an explanation of how to fix it. 

After studying this information, you will be able to find out the causes and also the ways you can overcome the problems you are experiencing at that time.

1. The SIM slot is loose

The first reason an Android phone can't send SMS is due to a problem with the SIM slot. We know that the SIM slot is the part that serves as a place to put the SIM card. If the SIM card is having problems, it could be one of the reasons why your smartphone is unable to send messages.

This is because the SIM card cannot function properly, such as sending signals. Then how do I fix it? The first step you have to do is open the SIM card slot and battery. But this method only applies to phones that are not built-in batteries.

If you find that you have a smartphone that is classified as an embedded battery. The handling method is easier where you only need to provide a SIM ejector, and then you just have to open the SIM card slot. After that you can check the condition of the SIM card slot.

2. Unstable network

The problem you are experiencing right now may be caused by an unstable network. Maybe this kind of problem is often experienced by those of us who are usually in remote places far from the signal from the SIM card we use. 

You know that not all service providers can provide access. If you are in a place that is far from the signal from the iSP, then of course your signal will experience interference.

Then what is the result? The result is that you cannot send messages. In addition, you will not be able to call or open online applications such as WA, FB, Instagram, and so on. To be able to overcome this, you must contact your provider or service provider through a voice service.

If it turns out that your card doesn't even give out a signal at all, then the last way you should do is to replace the SIM card with a SIM card that suits your needs now. Guaranteed you will be able to send SMS or view videos again if your card is in accordance with the existing signal.

3. The card has passed the grace period

The reason the Android phone can't send the third SMS is because the card has already passed the grace period. Usually when our card has entered the grace period, we will get a warning from the operator. 

The operator will give a warning that our card will enter a grace period. After that, if we don't top up, the operator will still give a warning that your card has entered the grace period.

This warning will be given several times, so that, you can immediately top up. However, when you let it go and don't top up. 

Within a certain period of time your card will pass the grace period, aka expired. If it is like this, it is certain that you will not be able to use your card to make calls or SMS.

Then what is the solution you can do? The way you can do this is by going to the official place according to your card provider. 

There you can later submit a request so that your number can be reactivated. After that, then you can use your SIM card as usual.

4. Problems with the SMSC number

Have you ever heard of the term SMSC? SMSC stands for Short Message Service Center which is an important element or part of a cellular network. 

The function of the SMSC is to store, modify, and forward and send messages according to their destination. If your smartphone doesn't have a problem as we explained earlier. Possible problem is with SMSC.

That is, the SMSC on your cellphone is not configured properly or you may accidentally change, and even delete it. Here are the steps you have to do:

  1. First, you need to enter the message settings. Remember, message settings and not your android phone settings.
  2. After selecting the settings menu, you will be presented with several options and choose Text Message. Next, you have to select SMSC and choose which SIM card is installed or which is having problems. You can check whether the SMSC number matches your card or not.
  3. To check it, you can get information from the internet about the SMSC number according to the SIM card.
  4. If you have changed it, don't forget to click save or you can immediately exit the SMSC settings display. Check again whether the number has changed or not.

5. Insufficient credit

Among the reasons for an Android cellphone not being able to send the SMS that we have explained, maybe this fifth explanation is the most basic and most common thing. 

Often we don't realize that when sending an SMS it always fails and immediately speculate that the problem is with the signal. 

In fact, the real problem is the credit is not sufficient. To solve this problem is of course very simple. You can buy credit and try to use it for SMS.


This is the information we can convey you. Other interesting information is that cellphones cannot be charged while on and the cause of the cellphone camera cannot focus. Hope it is useful.

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