With the rising popularity of instant messengers and VoIP services, SMS and MMS services have taken a backseat. However, this simple and reliable text messaging does its job quite efficiently and people still use it. That said, some Android users have reported that they are unable to send SMS messages on their phones.
How to resolve the issue?
Clear apps cache and use the airplane mode
The best way to troubleshoot when an SMS message can’t be sent or received, for some reason, is to simply restart your device. Next, you can try enabling and disabling the airplane mode in quick succession. These two steps usually fix the problem for most people. The third step is to clear the cached data the messaging app has accumulated over time. Also, if you’re using a third-party app for SMS messaging, you may get it reinstalled.
Reset SMS settings
Your service provider has a specific and unique set of options that allows you to send SMS and MMS message freely. These settings appear as soon as you insert your SIM card in the dedicated tray. However, it might change in case you replace your SIM card or there is a system update. This may result in trouble in both incoming and outgoing messages. To reset SMS settings to default values on Android, follow the steps;
Open MessagesGo to settingsReset the settings to factory valuesRestart your phone
Update the Mobile Message Center number
Most people have resolved their SMS issues by updating the message center number. These numbers depend on individual service providers.
What is a message center number?
Put simply, message center number is used for handling SMS operations on your phone. It is stored in your SIM card and depends on your network operator. You can google your provider and confirm the message center number. Once you have acquired the number, follow these steps
Open the Messaging appTap on the three-dot menuChoose the Message center and change the number
How to update message center number in android?
An alternative way to set the message center number on Android is as follows; Below are the message center numbers of few service providers in India Follow the above-mentioned ways to update message center number in your Android phone and start sending/receiving messages.