A1 Serbia is the Fastest Mobile Network in Serbia in 2021

A1 Serbia is the fastest mobile network in Serbia in 2021, according to Ookla®, a global leader in mobile and broadband network intelligence, testing applications and related technologies and the company behind Speedtest®. The result was obtained on the basis of more than one hundred thousand tests performed by customers of all mobile operators in Serbia from April to the end of September 2021. A1 achieved the best results with a Speed Score™ of 56.55 on devices with modern chipsets.

This score and the prestigious award come as a result of continuous improvements in network quality implemented over the years. So far the company has built a network of nearly 2,300 radio base stations covering 98 percent of the population and has invested more than EUR 120 mn in the development in the last five years.

“In April this year, after 14 years of doing business in Serbia, our company changed its name to A1 Serbia. Back then we promised customers that they could expect more from us. With the support of the A1 Telekom Austria Group, we have made significant improvements to the network infrastructure, expanded the capacity of the 4G network and further improved the data services. As many as 100 new radio base stations were built in the first 8 months of 2021. Ookla Award for the fastest mobile network is the best confirmation of the quality of the work we have performed and are still working on, especially because the result is based on testing of individual users,” said Nenad Zeljković, Chief Technology Officer at A1 Srbija and A1 Slovenia.

Additional infrastructure expansions cover the entire country, in particular the area of ​​Belgrade and Vojvodina. As much as 70 percent of our network has been significantly enhanced, owing to which a considerable number of A1 customers will have an improved user experience. For example, the capacity of the mobile network in Sombor has been increased by more than 100 percent, in Novi Sad by 81 percent, and in Kruševac and Kraljevo by more than 50 percent, compared to the previous year.

“Speedtest Awards, presented by Ookla, are reserved for an elite delegation of network operators that have delivered exceptional internet performance and coverage within a market. It is our pleasure to present A1 with the award for Fastest Mobile Network in Serbia. This recognition is testament to their exceptional performance in Q2-Q3 based on Ookla’s rigorous analysis of consumer-initiated tests taken with Speedtest,” said Doug Suttles, CEO of Ookla.

Based on analysis by Ookla® of Speedtest Intelligence® data for Q2–Q3 2021. Ookla trademarks used under license and reprinted with permission.


Ookla® is the global leader in mobile and broadband network intelligence, testing applications and related technologies. Speedtest®, Ookla’s flagship network testing platform, collects hundreds of millions of measurements about the performance and quality of networks around the world each day.Operators, businesses and government agencies alike rely on Ookla for unparalleled and immediate information on the state of networks and online services. Ookla’s portfolio of enterprise solutions also includes Downdetector®, which provides real-time analysis of status conditions and outages across industries such as network services, finance and gaming. Ookla is a part of Ziff Davis (NASDAQ: ZD), a vertically focused digital media and internet company whose portfolio includes leading brands in technology, entertainment, shopping, health, cybersecurity and martech. Ookla’s headquarters are located in Seattle, WA with additional offices around the world. More information is available at www.ookla.com.

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