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Scroll down to the bottom of the page, where it has a field for SMSC to be converted.Go to this website – Online PDU Encoder and Decoder.This did not work for me personally, but I’m listing the steps in case it works for you. If you receive ‘ Update error ’ when manually adding the SMSC, many users recommend converting the SMSC number to PDU format. However, these lists can be outdated – it may be best to contact your carrier to get the correct SMSC number. If you do not know your carrier’s SMSC, you can try consulting a list of global SMSC numbers for the most popular carries by country. After you have entered the SMSC number, tap ‘ Update’.In the field for SMSC, enter your carrier’s SMSC number.If it fails ( ‘Refresh error’), you can try manually setting it.This should automatically try to correctly set your SMSC number. Scroll down to SMSC, and tap ‘ Refresh’.So if this method also fails for you, try the next one. This was whether or not I converted the SMSC to PDU. When trying to add my carrier’s SMSC number to the appropriate field, the menu would give a “failed” error. This method works for most – it is the most commonly recommended method by all experts. Solution 1: Setting SMSC Through Secret Phone Menu Lesson learned – apps that “tweak” your telephony settings are probably a bad idea if you don’t know exactly what they’re doing. In this my personal experience, my SMSC was erased when I downloaded a root app that would supposedly enable VoLTE. There are numerous ways your SMSC may have been inadvertently incorrectly configured or outright deleted. See this simplified graph: How SMSC works. But your text messages fail to send because your texts are not reaching your carrier’s SMSC. If you have an incorrectly set SMSC, you will still receive text messages because the other person’s SMSC is forwarding the messages directly to your SIM number.
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Your SIM carrier is responsible for maintaining the SMSC network. When you send an SMS message, it gets forwarded to the SMSC, which then sends it to the destination. The SMSC is responsible for sending SMS messages from your device. SMSC Not Set CorrectlyĪn often overlooked problem is an incorrectly set SMSC number. In this article, we will show several methods for fixing the SMSC number on your Android device. This is because the SMSC number is actually written to your SIM card, not on your device. This is not a hardware or software issue factory resetting your phone will accomplish nothing. However, if you can receive texts just fine, but your texts always fail to send, the issue most likely lies with your SMSC number. If you cannot receive SMS texts, you can check out Phone Not Receiving Texts. There are numerous reasons why SMS texts in Android can fail to send ( or be received, but this article will focus on the failure to send).
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