It's not obvious where this app came from. According to the answer to this question, it probably is an app that was incompletely synced with iTunes.

There's nothing to worry about, and you don't need to do anything about it.

Answer from Carl on Stack Exchange
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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.
People also ask

How to enter iPhone passcode in null?

In fact, it is impossible to enter your iPhone passcode in null. When seeing the support.apple.com/iphone/passcode null error, you can try the above solutions to fix the error. Or you can directly using MagFone iPhone Unlocker to remove the screen passcode soon.

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magfone.com
magfone.com › home › resource › unlock ios › how to fix you can try your passcode again in null
You Can Try Your Passcode Again in Null? Fixed! [Updated]
How to unlock iPhone in null without losing data?

If you want to unlock your iPhone in null without losing data, you can refer to the solution introduced in Part 2. Actually, it is a bit possible to fix the iPhone Security Lockout null error without losing data. After unlocking iPhone in null mode, you can restore your data and settings from a backup.

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magfone.com
magfone.com › home › resource › unlock ios › how to fix you can try your passcode again in null
You Can Try Your Passcode Again in Null? Fixed! [Updated]
How many attempts before seeing iPhone Security Lock null?

Apple allows users to enter the wrong passcode up to 10 times on the iPhone Lock Screen. After making several attempts to unlock your iPhone with the wrong passcode, you will see an iPhone Unavailable message or a Security Lockout screen. However, when more than 10 attempts are made to enter the wrong passcode, your iPhone will be in Security Lockout null.

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magfone.com
magfone.com › home › resource › unlock ios › how to fix you can try your passcode again in null
You Can Try Your Passcode Again in Null? Fixed! [Updated]
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Apple Community
discussions.apple.com › thread › 253978204
Null in my contact - Apple Community
Simple press "Edit" in the top right corner, then select the label for the number, which will be just to the left of it. You can then change it to whatever you like. ... The value 'null' is used whenever the device cannot find an expected value. In this case, it most likely means that it cannot ...
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MagFone
magfone.com › home › resource › unlock ios › how to fix you can try your passcode again in null
You Can Try Your Passcode Again in Null? Fixed! [Updated]
January 24, 2025 - If you've entered the wrong passcode multiple times, your iPhone may lock you out for a specified period. After a series of incorrect attempts, the "try again in X minutes" message usually appears. However, if the system glitches, it might display the "in null" error instead. iOS, like any software, isn't perfect. Sometimes, a glitch or bug can lead to errors that aren't typically expected, such as the one you're experiencing.
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MacRumors
forums.macrumors.com › iphone, ipad, and ipod touch › iphone › iphone
What does NULL mean | MacRumors Forums
September 15, 2022 - The data/variables that it's trying to insert have no values, so it displays "null". Given Apple's website issues recently, I'm not surprised. ... Just got my shipping email and in the slots where there should be info like it does every years ...
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Dr.Buho
drbuho.com › how-to › null-iphone-passcode
How to Fix "iPhone in Security Lockout Null" - Dr.Buho
May 28, 2025 - You can try your passcode again in (null),” it typically means that the device has been disabled due to too many incorrect passcode attempts. On the other hand, this also indicates a glitch where the device fails to determine the appropriate ...
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TunesKit
tuneskit.com › unlock-ios › you-can-try-your-passcode-again-in-null.html
You Can Try Your Passcode Again in Null? Solutions Are Here!
I have an iPhone and when I try to unlock it, the message "Your iPhone is Security Lockout. You can try your passcode again in null" appears on my iPhone. Does anyone know how can I unlock my iPhone?
Find elsewhere
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The Apple Wiki
theapplewiki.com › wiki › Null
Null - The Apple Wiki
May 23, 2024 - Null, NullBars, NullCanvas, NullPlus, NullSwift, NullPlusSwift, NullTimerTest, and NullWebContent are apps designed to ensure iOS is able to open and run apps written...
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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
November 26, 2022 - It should be telling you where ... the web, on your phone, etc.). That location text is dynamic so whatever logic is supposed to supply the text didn't do its job very well. ... It’s just another iOS bug. ... Someone didn’t checked that field for null values. ... Nothing. Literally. ... 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? ... Null meaning (like None ...
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Tenorshare
tenorshare.com › unlock-iphone › you-can-try-your-passcode-again-in-null.html
How to Fix "This iPhone Is in Security Lockout Null" 2025
October 24, 2025 - The first thing we are going to do is to explain to you what “You can try passcode again in null” means. When you enter the wrong screen lock passcode enough times, the iPhone becomes unavailable or goes into security lockout.
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Apple Developer
developer.apple.com › forums › thread › 764491
Incorrect display of (null) instea… | Apple Developer Forums
Since upgrading to iOS 18, an issue ... "(null)" instead of the actual application name. At the time the calls defined by the same application contain the name of the application correctly. ... Hello @glebfann, our engineering teams need to investigate this issue, as resolution may involve changes to Apple's software. I'd greatly appreciate it if you could open a bug report, include a sysdiagnose, and post the FB number here once you ...
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Apple Developer Forums
forums.developer.apple.com › forums › thread › 16855
What is null? Its appearing in my iPhone.
I see it when you scroll all the way down on settings and it shows a white icon, with no name of the app, until you click it, the words "null wants to have background app refresh."
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Mai
mai.org.tw › post › what-does-null-mean-on-iphone
what does null mean on iphone
October 8, 2024 - This allows the program to continue running smoothly, preventing unexpected crashes and data loss. What should you do if you encounter "null" on your iPhone? If you encounter "null" in a setting, it usually means you haven't provided a value yet.
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Passixer
passixer.com › fix › you-can-try-your-passcode-again-in-null.html
‘You Can Try Your Passcode Again in Null’ Error iPhone [Fixes]
“You Can Try Your Passcode Again in Null” is the error message that comes on the Unavailable/Security Lockout screen on iPhone or iPad. This message appears when an iPhone user enters the wrong passcode 10 times consecutively and there’s no attempt available for you to try out.
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Narkive
community.openmoko.narkive.com › sf3r68wu › phonelog-missed-call-null-name-and-number
Phonelog: missed call "NULL" name and number
I don't complain much about lack ... do anything (ringing/vibrating, missed call notification) when apparently somebody tried to call? NULL means hidden number....
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TechYouLike
techyoulike.com › what-is-null-on-iphone
What is Null on iPhone: Exploring its Meaning and Significance - TechYouLike
August 14, 2024 - Whether you are encountering Null ... or an object does not point to any specific data or memory address. In simpler terms, null means “nothing” or “empty.”...
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MacRumors
forums.macrumors.com › software › mac apps
What does All (null) mean in Contacts? | MacRumors Forums
October 7, 2015 - The SG filters by certain rules but when I do this. the labeling app displays two entries for each contact. I assume this is because I have iCloud sync set up. When i did the iCloud setup, Contacts created and iCloud section and below is a group called All (null). When I select "All Contacts," only one entry per contact shows up.
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Mobile Tech Addicts
mobiletechaddicts.com › what-does-null-mean-on-iphone
What Does Null Mean On iPhone? – Quick Guide – Mobile Tech Addicts
You might feel a bit confused when you come across the term ‘null’ on your iPhone. But have no fear, it’s not as complicated as it seems. In layman’s terms, ‘null’ just means nothing or empty. It usually pops up when your device can’t find or recognize certain data.