Shortly after I signed on with AT&T and before I dropped T-Mobile, I performed some speed tests on each of their EDGE networks. Devices used:

1. Nokia E61 (UK) with firmware version 3.0633.09.04
2. Nokia N75 (US) with firmware version 10.1.282 (AT&T)

The Nokia E61

T-Mobile (1 to 4 bars)

#1: 100 KB / 41 kbit/sec / 3.129s latency
#2: 100 KB / 11 kbit/sec / 4.065s latency

#1: 50 KB / 61 kbit/sec / 3.255s
#2: 50 KB / 23 kbit/sec / 2.562s

AT&T (all bars)

#1: 100 KB / 127 kbit/sec / 1.22s
#2: 100 KB / 107 kbit/sec / 1.674s

#1: 50 KB / 72 kbit/sec / 1.571s
#2: 50 KB / 67 kbit/sec / 1.323s

The Nokia N75

AT&T (all bars)

#1: 100 KB / 86 Kbit/sec / 0.848s
#2: 100 KB / 98 kbit/sec / 0.864s

#1: 50 KB / 42 kbit/sec / 0.864s
#2: 50 KB / 58 kbit/sec / 0.869s

T-Mobile test is not possible due to locked device at the time.

AT&T has better coverage in my area and their EDGE network runs faster than T-Mobile. According to reports they did enhance EDGE speeds with the introduction of the iPhone and it’s nice to see the improvement on other devices. Surfing with the Nokia Web Browser is a more fulfilling experience at the faster speeds.

I’ll have to re-test with the unbranded N75 and see if the results change.
When I get a minute I’ll run the tests on my debranded N75 and see if they change.

Related posts:

• T-Mobile: anyone home?
• Upgrading the E61 to v3.06 firmware
• Starbucks gets the mobile Internet
• Making blogs (mobile) browser friendly
• How to configure NewsGator Mobile for HTML

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