
Introduction
It has been Long time now since Smile Telecomunications launched their 4G service at first they were monopolizing the 4G market has there was no 4G provider before,but todate we have Tigo 4G in almost all major cities e.g Dar es Salaam,Tanga,Mwanza,Arusha and Dodoma and TTCL 4G which is currently in some parts of Dar es salaam city.All these providers mentioned above share the devices since Tigo and Smile uses FDD 800Mhz while TTCL...