Issue with verifying developer app on iPhone

Hello, I am very new to programming for iPhone, so please excuse me if this question is ignorant and I'm missing something silly. I am trying to build an app for my phone (iPhone SE 3rd gen) using my Macbook Air (same Apple Account). I downloaded XCode and started with the default "Hello World!" template. I created a personal team and figured out all the settings on my phone (trusted the computer, turned on developer mode, trusted the account). However, after uploading, I get the following error:

The weird part is that I have a stable internet and cell connection. Following the instructions given to me in the similar error on my Mac, I head to General -> VPN and Devices -> my account and click "Verify App". This gives me a pop-up: Clicking Verify, it loads for a second and absolutely nothing happens. Not sure how to proceed or what's wrong.

Issue with verifying developer app on iPhone
 
 
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