So, to download iOS 13.4 Beta 2 iPSW files, you can go through the below links.

Download iOS 13.4 Beta 2 for iPhone, iPad, iPod

Apple first releases the beta updates of the latest iOS version for developers. Even if you are not a developer, you can still install this update.

For iPhone For iPad For iPod

iOS 13.4 Beta 3 OTA Profile Download

To download over the air update of iOS 13.4 Beta 2, download the OTA profile from below link. Then go into Settings»General»Updates. Then install the latest iOS from there. Download: Over The Air Profile iOS 13.4 Beta 2

How to Install iOS 13.4 Beta 2 iPSW on iOS Devices

To install the latest iOS 13.4 beta 2 update. Follow the below instructions.

First download ipsw file for your phone mode. Now open itunes and connect your iphone, ipad or ipod to the computer. Note: Backup your data before updating. On itunes, click on the small Device icon on the top left. Now if you are on Windows, hold “Shift” key and click on Check for Update option. If you are on Mac, hold “Options” key and click on Check for Update. A pop up will appear asking you to select the iOS 12 beta 2 ipsw file. Navigate to the file, and select it. Update the phone Now the beta version of iOS 13.4 Beta 2 will start installing on you.r phone. Wait for it to install completely. When the firmware installs, your phone will reboot. Disconnect the phone from computer when homescreen shows up.

That is all for installing iOS 13.4 Beta 2 iPSW for iPhone, iPad or iPod. Do share it and comment for any questions.