AT&T, T-Mobile, and Sprint Galaxy S2 4G Speed Test!


Some of you may wonder which 4G runs the fastest on the Galaxy S2.  Well, since I’ve got all three Galaxy S2s here, I did a quick test in my backyard.

First of all, Sprint uses WiMax technology for its 4G service, which is theory can do up to 75Mbps download speeds.  In the meanwhile, T-Mobile and AT&T both use HSPA+, which isn’t really 4G but it is faster than 3G.

T-Mobile is theoretically rated up to 42Mbps download speeds while AT&T is rated for up to 21Mbps download speeds.

In reality, these theoretical speeds are proportional.  Sprint WiMax still outdoes both T-Mobile and AT&T while AT&T is the slowest.

I’ve done a ton of tests as I own phones on all 4 major U.S. carriers including Verizon, Verizon 4G LTE is still king followed by Sprint, T-Mobile, then AT&T, as far as maximum download speeds go.

Now, maximum speed isn’t everything but reliability and signal connectivity is.  Based on my testing everywhere here in SF Bay Area, Verizon 4G LTE and AT&T HSPA+ gets near perfect signals everywhere I go, that is probably due to the number of towers they have here in SF Bay Area.

Sprint does well in open area while T-Mobile has tendency to drop to edge service.  The good thing about Sprint is that its 3G service is very reliable and even without 4G, you get perfect 3G signals (3G is best on Sprint followed by Verizon, AT&T, and T-Mobile).

As for T-Mobile, the worst part about their network is that their 3G is not reliable.  I almost *never* get 3G on the Galaxy S2, it’s always between 4G or edge.  Edge is completely unusable in my opinion, the data speeds are so slow that you can forget about using internet on your phone.

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Max Lee

Max Lee is the founder of HighOnAndroid.com. Max makes Android tutorials and review videos for people who want to get high on Android over at his YouTube channel and Korean YouTube channel.

  • Joe

    Hi,

    i have had the Samsung Galaxy s2 for a few months now and can honestly say it is the worst phone ever. I have had to take the battery out numerous times due it locking up and then there are times when it just restarts on its own. I used to have an HTC my touch 4g and I have to admit their battery life is horrible but this is ridiculous with the Samsung. BTW my carrier is tmobile. Any thoughts on making it better?

    Thanks Joe