How does fing app still getting mac address although it is not allowed in iOS 11 - swift

I need to get mac address of device.I know it is not possible after iOS 11 but somehow Fing app still getting mac address for some devices.How it possible .I need to achieve exactly same things which described here but this answer was for iOS7 but now current version is iOS 12.for help i uploaded Fing app Screen shoot from my Iphone

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publish ios app without any registered device

I have completed an ios app that I want to get published. I do not have any apple devices other than my mac. I used the simulator to test my app. I tried to make a provisioning profile in the member center and link it up to my app but Xcode keeps telling me that it cannot find any compatible provisioning profiles since I do not have any ios devices registered in the member center. I believe that I cannot register my mac as an ios device. I tried doing that in the member center using my mac's UDID but it did not recognize the UDID.
I want to know if there is any way I can still have the app published without buying any other ios device?
I used the simulator to test my app.
Then you did not test your app. The simulator is useful but it is nowhere near an adequate substitute for device testing. What if users report that the app crashes on their devices, but you can't reproduce the crash in the simulator? This is not a hypothetical scenario, it's actually quite common.
I want to know if there is any way I can still have the app published without buying any other ios device?
Possibly, but it would be extremely unwise to publish the app without testing it on a device. If you can't get a device, try to borrow one.
I see only workaround here - Get device from your friend or family and register it for first install. You just need its UDID to register.

iPhone 5 app rotating when it shouldn't (only on app store)

I have an app that shouldn't rotate unless on one particular screen.
The problem is that it is rotating on all screens, but the real big problem is that it only occurs when the users download the app from app store and are using it on iPhone 5, so I can't really find a way to test and fix the bug, since I wasn't able to reproduce it (in a development environment) so far.
I believe this is not an iOS problem since other devices with the same version are doing ok with the version I uploaded to apple through XCode, the bug really only occur when downloaded from app store and is installed on iPhone 5.
Any thoughts on what might be happening or how to fix it?
Thanks in advance!

Blank screen on some user devices. No crash reports. Can't replicate the bug - how to fix it?

I released an iPhone/iPad app some weeks ago. From 15 reviews (worldwide) I got a dozen 1 star reviews from users saying the app does not work, they only get a blank screen. The other three are happy and it works for them.
I tested the app on an iPad 1, an iPad 2, an iPhone 3GS and several iPhone 4s - it worked on every device flawlessly. And it passed the app store submission process, so it must have worked at Apple...
The crash report in iTunes Connect is empty - the app obviously does not crash, it just hangs somewhere.
Unfortunately there is no way to contact the users where it doesn't work :-(
I know its really hard to help with that less information, but I don't know what to do when I can't replicate the problem on my side...
So does anybody has any idea?
If its a memory problem - shouldn't the app crash then?
I use AVFoundation to play a movie and I know of some flaws since its a relatively new library - does somebody know of this problem (a blank screen) in relation with AVFoundation?
It would be helpful as well if you could download the app (the name is "Hyperactive") and test if you get a blank screen. If so I would be glad to learn the exact device and the iOS version. I hope this is not missunderstood as spam, thats not what I intend...
Thanks in advance,
best regards,
Walchy
This is a longshot, but maybe the user had the application running for a long time, receiving a viewDidUnload, and something you unload is not getting reloaded on the viewDidLoad.
Try running a "Simulate Memory Warning" on the iphone simulator options.
Both iPhone and iPad versions work fine on iPad 1.
Application won't install on iPhone 3G with iOS 4.2.1.
Have you tested your application on a jailbroken device?
It turned out that the black screen only happens on an iPod Touch and the solution is very easy:
You need an additional entry in the .plist file for the iPod Touch:
Main nib file base name ...
iPod Touch 4G thinks it's an iPad

Is there any way to simulate safari on the iphone 3 without access to the actual phone?

I'm having the rather frustrating problem of a website problem on iphone 3 that doesn't appear on iphone 4. I can't get my hands on an actual device. I'm running windows. Is there any way of simulating safari on iphone 3?
the only way to emulate the iOS browser is with the iOS Simulator which is part of the iOS SDK, however this requires a Mac to run.

Iphone simulator 4.0 Could not find my current location

I installed sdk version 4.0 in mac my friend also installed version 4.0 in his mac.In my iphone simulator 4.0 ,it could find current location.But my friend machine iphone simulator 4.0 had find the current location.
What is the problem ? we both connected with wifi network.Both mac machine having ability to find current location.But there is difference in iphone simulator 4.0.
Plz help me ? I really need this.
Thanks in advance...
I noticed when I updated to the iOS 4 SDK I had to enable my AirPort wireless and connected to a wireless network to actually get a fix on my location. It appears that Apple is using your wifi access point to pinpoint your location now. I noticed you mentioned you are connected to wifi though, which seems a bit odd. That is the only case I've come across in a couple years of developing using the simulator.