If you have physical SIM cards, you can just power down and swap them between phones. Note: You may have to carry both phones around with you for a day or two until the full process is complete.
Tools like ZeroCam, Camera FV-5, and Blackmagic Camera can help you get authentic images and video that aren't already ...
We challenged Love Island's Kaz Kamwi and Youtube star Johnny Carey to swap phones, explore each other echo chambers and to see what happens when they try to break out.