If you are new to Tello, you'll need to open a free account, build your own plan or buy Pay As You Go credit. Next, you’ll need to decide if you want to bring your own phone into Tello or buy a new one. Once your service is activated you can start making calls, texting or surfing the web.
Where can I find my phone’s IMEI/ESN?
You find easily find your phone’s IMEI/ESN by dialing *#06#. You’ll receive a text with your phone’s IMEI. This unique ESN is also available in your phone’s settings.