Related to : SMS messages just have "null"

Try this,

delete their contact

then

Settings > Applications > Manage Applications > Select the Messaging App

Choose 'Clear Data' and also 'Clear Cache'.

N.B. you will lose all data / txt msg's in your phone

(don't forget to write their number down to save as new afterwards!)

Answer from Blundell on Stack Exchange
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Apple Community
discussions.apple.com › thread › 7654895
Talk to text sent from "null" - Apple Community
September 8, 2016 - Assuming it actually was sent using iMessage (blue bubbles), check Settings > Messages > Send & Receive > Start New Conversations From and see it is set correctly. ... My wife is having the same issue. She has an iPhone 5c and tries sending me a text stating my full name and SIRI even repeats that it is sending the message to the same name she said. Then SIRI says it will send the message. I do not receive anything! And when she looks at the message it says it was sent to NULL.
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Apple Community
discussions.apple.com › thread › 251205749
Null messages - Apple Community
Null usually means "no signal" but don't know in your case as you do not say if you are only getting the notification...and still getting the message?...or not getting the message?...or if it is happening to just one contact?...happening all the time?...or just sometimes?...etc.
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Reddit
reddit.com › r/verizon › text messages from my own number that just say "null"
r/verizon on Reddit: Text messages from my own number that just say "null"
July 5, 2022 -

Hey everyone,

Today I was received 2 text messages from my number that just said "null." This was right after I sent 2 text messages which seemed to go through just fine. I was wondering if anyone knows what this means? I recently blocked a number, so I'm not sure if that is related.

Thanks in advance!

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TikTok
tiktok.com › discover › why-does-my-messages-say-null
Why Does My Messages Say Null | TikTok
October 6, 2025 - Discover what '(null)' means on iMessage and why it appears in your messages. Learn how to troubleshoot this issue effectively.See more videos about Why Does My Phone Keep Sending Null After Messages, Why Does My TikTok Watch Say Null When I Try to Send Messages, Why Do My Captions Keep Saying ...
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MacRumors
forums.macrumors.com › iphone, ipad, and ipod touch › iphone › iphone
What does NULL mean | MacRumors Forums
September 15, 2022 - Or, more likely, it was expected that the information which would be populated into those fields would *always* be present, but for whatever reason (e.g. a bug associated with the original data collection), it is not, so the code ended up using "NULL" as the values (converting it to text and somehow ending up with "NULL"). Or there's just a bug with the software that was designed to collect those values. They exist, but something went wrong. And you ended up missing it in your email. ... It means you better get used to whatever phone you currently have.
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Thetype2experience
thetype2experience.com › what-does-null-mean-in-email-53346759
What does null mean in email - The Type 2 Experience
September 27, 2022 - Null usually means “no signal” but don’t know in your case as you do not say if you are only getting the notification…and still getting the message?…or not getting the message?…or if it is happening to just one contact?..
Find elsewhere
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Apple Community
discussions.apple.com › thread › 250673495
What dose null mean - Apple Community
Null generally means an empty value in something. If you're having an issue after the update, answering the following can help clarify the issue: ... Which version of iOS is on your iPhone? You can find this in Settings > General > About > Version. Have a great day.
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Oreate AI
oreateai.com › blog › what-does-null-mean-when-texting › 95292b569192aba087c27044d200ea99
What Does Null Mean When Texting - Oreate AI Blog
January 7, 2026 - This technical definition seeps into everyday language when people use it in casual texts. When someone replies with 'null,' they could be expressing indifference or uncertainty about a topic at hand.
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Mymeaniing
mymeaniing.com › what-does-null-mean
What Does Null Mean? Explained Simply
January 27, 2026 - See also What Does Equivalent Mean in Math and Everyday Life? You’ll mostly see null on digital platforms where quick, casual, or witty replies happen: Texting and iMessage: Short responses to messages that didn’t deserve a reply.
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Blogger
shudhtech.blogspot.com › 2019 › 03 › how-to-fix-null-message-on-iphone-allow.html
How to fix NULL message on iPhone - "Allow (null) to access"
March 17, 2019 - This seems to be security flaw in the iPhone and iOS 12. As not only in the setting app but when you will open network settings app like Edge , you can see there are also null entry with message "Allow (null) to access".
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Apple Community
discussions.apple.com › thread › 253978204
Null in my contact - Apple Community
The value 'null' is used whenever the device cannot find an expected value. In this case, it most likely means that it cannot retrieve the type that the number corresponds to.
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Reddit
reddit.com › r/it › my phone texted me null
r/it on Reddit: My phone texted me null
September 26, 2019 -

On my phone I have myself listed as a number so I can text myself a reminder if I might forget something. On my phone it doesn't let you send a blank message but on my contact for myself it sent me a message saying null. I didn't send myself this it sent it to me and I don't know what it means. Anyone know why my phone would send me this?

Edit: I have a kyocera flip phone

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Google Support
support.google.com › messages › thread › 298479152 › null-problem
Null problem - Google Messages Community
RCS is now available for texting between Android and iPhones. Learn how to turn on RCS chats on your Android phone (link)
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Reddit
reddit.com › r/ios › what is the “null null” means?:v
r/ios on Reddit: What is the “null null” means?:v
December 3, 2022 - This happened in my iPhone when I authenticated using the code that I received in my Watch. ... Power cycle the phone, shouldn’t do that again. Did the code work though? ... Is the location turned on, on the device that's sending the code? Continue this thread Continue this thread ... Null meaning (like None in some programming lang, if it combine to be a string so it’s probably JS)
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Quora
quora.com › What-does-a-nullnull-text-message-mean
What does a 'nullnull' text message mean? - Quora
Answer (1 of 2): Null is essentially absence of data. So I am guessing the person was offline or there was a glitch in the server.