Rohkem – http://www.androidauthority.com/majority-smartphone-users-dissatisfied-with-carriers-684033/
Uuringust lähemalt – https://newsroom.accenture.com/news/majority-of-smartphone-users-surveyed-unhappy-with-service-and-ready-to-switch-mobile-providers-accenture-screenager-report-finds.htm
Uuringus osales 28,000 tarbijat 28 riigist – Australia, Brazil, Canada, China, Czech Republic, France, Germany, Hungary, India, Indonesia, Italy, Japan, Mexico, Netherlands, Philippines, Poland, Romania, Russia, Saudi Arabia, Slovakia, South Africa, South Korea, Spain, Sweden, Turkey, United Arab Emirates, United Kingdom ja United States.
