Hallo,
Since January I have used O2 wifi, from starting I have problem in speed and connection, once i have changed router and once technician visit but i can not get any satisfied solution. Many times i have complained about it but they just generate ticket and closed ticket and giving reply like they were found nothing and whenever i used O2 hilfe application and checked speed , its show my speed is slow and many times 4mbps but i paid for 100mbps and the app generate one case number and shows to contact to technical number but over there i did not get any kind of solution. Please provide me helpful solution.