I went into the 'My Tello' account, then towards the 'My SIM' area. There, I found a QR code, which I scanned with my digital camera, as well as a new 'eSIM2' file appeared during the 'Sim supervisor' under the 'eSIMs' section (I have already got 'eSIM1' with another organization). I've a Samsung Galaxy S22 phone that I purchased locally.SIM/eSIM.