mobile networks

Guys,
Please take a few minutes to fill out the following survey concerning the cellular network and the mobile phone you use. This survey is completely anonymous and it will be used to improve my term project for the course Mobile Communication Networks.
Thank you

https://docs.google.com/forms/d/1pIOQpE_nd7KgpgTdqFgZm8amsmMBCmboEXU0J_jzO1w/viewform?usp=fb_send_fb