Can't send text messages. Error 21 - Nexus 5X Q&A, Help & Troubleshooting

Hi All,
I'm using the reply from notification dropdown very often but suddenly i cannot send text messages. It says error 21. Tried googling it but nothing worked.
Anybody here has the same issue?
Thanks

Just wanna add. I can receive sms and do calls. Sending a sms is the only problem :/

Related

Text messages sending multiple times

Hi all,
I noticed recently that sometimes when i send a text message it will send 2-3 times to people but only appears as one sent message in the history. Is there a particular reason why this happens?
Thanks in advance

[Q] MMS Problem?

Well I can't seem to send MMS on CM7. Halp plawks?
Roflawlmaomg said:
Well I can't seem to send MMS on CM7. Halp plawks?
Click to expand...
Click to collapse
Need more info, e.g., are you using a custom SMS app such as handcent, or are you using the one bundled with android? Is it just a picture you're trying to send? Does it show that it's sending endlessly or does it fail? Do you see mobile data activity in the notification bar after you press send? Are you positive your recipients aren't receiving the message, and that your phone simply isn't realizing that the message was already successfully sent?

[Q] Cannot Recieve text messages from specific contacts

I have been running ModVersion CyanogenMOD - 7.0.3.1 - Supersonic Kernel Version:2.6.37.4-Cyanogenmod for over a month and just yesterday I began having a problem recieving text messages.
I have had no problem sending messages and I have confirmed that they have been sent successfully to others. I am having problems receiving text messages from specific contacts. This issue began less than 24 hours ago and I have not changed any software or settings on the phone.
I was able to receive a picture message from one contact that isn't able to send me text messages. Does anyone have any idea on how to fix this?
Thanks in advanced!

Stock MMS - SMS problem?

I have problem with stock SMS-MMS application.
In one conversation with some person (thread) , I can receive sms and reply without no problems , but if I receive MMS from the same person, after that MMS , I can't reply anymore, If I type the message (sms or mms) and hit the "send" button it returns me a "message failed to send" message.
I have to delete all thread with that person and start new one to be able to send sms or mms to that person...
Do you face the same problem , and does anybody know how to fix this?
Thanks

Receiving Text messages on time

I am having a delay in receiving text messages even after altering the bat saver settings for the messaging app to run in the background.
So I send myself a text from another phone and I get no message.
Then I open messages and still no text.
Then I send a message out and all the messages I have been waiting one appear.
Can someone please help me on how to fix this issue?
thanks
Niko
reamalaka said:
I am having a delay in receiving text messages even after altering the bat saver settings for the messaging app to run in the background.
So I send myself a text from another phone and I get no message.
Then I open messages and still no text.
Then I send a message out and all the messages I have been waiting one appear.
Click to expand...
Click to collapse
It's like the push notification isn't activated until a long time or after I send a message. Also when I do send the message to trigger the receiving of messages there is a slight pause that says sending on the outgoing message.
reamalaka said:
Can someone please help me on how to fix this issue?
thanks
Niko
Click to expand...
Click to collapse
Sorry, I’m interested in buying this phone and I was just stopping by to see what folks had to say about your issue. Could you tell me did you ever figure out what your issue is?
Never experienced such an issue with mine...
I get SMS messages pretty fast after they have been sent (for instance verification codes and so on)
Myne is an EU version if that makes any difference...

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