Message Failed to Send
There are numerous reasons why SMS texts in Android can fail to send (or be received, only this article volition focus on the failure to send). If you lot cannot receive SMS texts, you tin can check out Phone Non Receiving Texts.
Even so, if you can receive texts just fine, but your texts always fail to send, the issue about likely lies with your SMSC number. This is not a hardware or software event; factory resetting your telephone will accomplish nix. This is because the SMSC number is really written to your SIM carte du jour, non on your device.
In this article, we will show several methods for fixing the SMSC number on your Android device.
SMSC Not Set Correctly
An ofttimes overlooked trouble is an incorrectly set SMSC number. The SMSC is responsible for sending SMS messages from your device. When y'all send an SMS message, it gets forwarded to the SMSC, which then sends information technology to the destination. Your SIM carrier is responsible for maintaining the SMSC network.
If you accept an incorrectly ready SMSC, yous volition however receive text letters because the other person'due south SMSC is forwarding the messages directly to your SIM number. Simply your text letters fail to send because your texts are not reaching your carrier's SMSC. Run into this simplified graph:
There are numerous ways your SMSC may accept been inadvertently incorrectly configured or outright deleted. In this my personal experience, my SMSC was erased when I downloaded a root app that would supposedly enable VoLTE. Lesson learned – apps that "tweak" your telephony settings are probably a bad thought if you don't know exactly what they're doing.
Solution 1: Setting SMSC Through Secret Telephone Menu
This method works for most – it is the near commonly recommended method by all experts. Personally, it did non work for me. When trying to add together my carrier's SMSC number to the advisable field, the menu would requite a "failed" mistake. This was whether or not I converted the SMSC to PDU. So if this method too fails for y'all, attempt the next one.
- Bring upward your phone dialer.
- Enter the number *#*#4636#*#*
- A menu volition launch. Choose "Telephone Data".
- Scroll downward to SMSC, and tap 'Refresh'. This should automatically effort to correctly set your SMSC number.
- If it fails ('Refresh error'), you tin try manually setting it.
SMSC refresh error. - In the field for SMSC, enter your carrier'southward SMSC number.
- Afterward you have entered the SMSC number, tap 'Update'.
If you do not know your carrier's SMSC, y'all tin try consulting a list of global SMSC numbers for the near popular carries past land. Yet, these lists can be outdated – it may be best to contact your carrier to get the correct SMSC number.
If you receive 'Update mistake ' when manually adding the SMSC, many users recommend converting the SMSC number to PDU format. This did not work for me personally, just I'thou listing the steps in example it works for y'all.
- Go to this website – Online PDU Encoder and Decoder.
- Scroll down to the bottom of the page, where it has a field for SMSC to be converted.
SMSC to PDU conversion. - Erase whatever text is in the fields for "Receiver" and the bulletin box above the "Catechumen" button.
- Enter your SMSC number in the SMSC field and click convert.
- The correct side box will produce a cord of letters and numbers. You demand the commencement xvi digits on the iind line (highlighted in our screenshot).
- Enter this PDU number into the SMSC field, and try hitting "Update" again. If it still fails, try adding a + sign to the beginning of the PDU number. If it still fails, endeavour the next method.
Solution 2: Setting SMSC in Default Messaging App
Many of us like to download alternative texting apps than the stock one that comes with our devices. Apps similar Textra, Chomp, EvolveSMS, and fifty-fifty the SMS feature in Facebook Messenger seem like fancier alternatives to the stock app.
If yous're a root user who likes to debloat your phone, you probably also disabled the default SMS app. The funny thing is, the default SMS app unremarkably has an selection for setting the SMSC number, whereas near 3rd-party SMS apps exercise non. This is typical considering the default SMS app is a /organisation app with privileges to modify the SMSC, whereas the third-party apps are not.
If any of this sounds like your scenario, try this.
- Get to Settings > Apps, find your stock SMS app (the one that came pre-installed on your phone).
- Tap it, and make certain it's not disabled. If it is, enable it.
- Now launch the SMS app, and look for the SMSC setting. In my device, information technology was located in the app's Settings > SMS settings > SMS service center.
- Enter your SMSC, salvage it, and try to send a text bulletin.
If it gets sent, the problem is solved! You can now switch back to whatsoever SMS app you prefer, but do non disable the default SMS app. The third-party apps may actually rely on the default SMS app's configuration.
Solution 3: Resetting the SMSC in Another Phone
If cypher has worked for you lot then far, some people report they are able to set the issue by setting the SMSC in a different phone, and so putting the SIM bill of fare back in the one with issues.
- Pull the SIM card out of your device, and stick it on a different telephone. Even an old Nokia should work for this.
- Find the SMS / SMSC settings on the other phone, and prepare it properly. It's important to remember that SMSC settings practice not really get saved to a phone, they become saved to the SIM carte itself. So the correct SMSC configuration volition carry over when you switch it back to your regular phone.
One internet user reported this method did not work until they did an additional stride:
"I put my sim menu in old Nokia 6120 C, then this time I change the SMS Configuration. I renamed the championship used there. I Modify from "Pusat Pesan SMS" to Bulletin Middle. This time it succeeded.".
Source: https://appuals.com/how-to-fix-sms-fails-to-send-in-android/
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