Today I decided to run some SpeedTests using FreedomPop’s 4G LTE SIM with my iPhone 6s.Based on my results, I’d say their AT&T 4G LTE service is fast and does not appear to have aa maximum download speed. I ran 4 seperate tests and the download speeds ranged between 7.8 and 25.5Mbps. The upload speeds were also really good ranging between 13.7 and 21.2 Mbps. The ping times on the network were slower than I’d like to see, ranging between 206 an 211 ms. Note that with ping times, lower times are better.
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Please note that Speed Test results depend on a number of factors and that your results may differ.