In order to record your iPhone screen you’ll need a Mac. If you don’t have a Mac you might try a Hackintosh…1. Connect your iPhone to your Mac via Lightning Cable
2. Allow your Mac to access your iPhone
3. Open QuickTime Player App (Go to Spotlight Search and type for or search for it in Launchpad)
4. Go to File -> New Screen Recording
5. A recording windows will appear (usually using your front camera).
6. Click on the drop down arrow next to record button to select different source. Select iPhone from the list.
7. Click on record button to start capturing
8. Click on stop recording when finished
9. Close windows and save your iPhone screen capture.
Have fun!