How to Increase AT&T 3G Speed on Android

android3gThere are steps to increase your ROOTED Android phone’s 3G performance on the AT&T network if you are using a stock ROM.  Using the Dell Streak running SimpleStreak 1.2 as an example, I was consistently pulling ~800kbps from various Ookla servers.  My buddy’s iPhone 4 would hit 2.5MB sitting right next to me running the test simultaneously.  The issue does not manifest when using a custom ROM such as CyanogenMod on the Nexus One or StreakDroid on the Dell Streak.  That is because they have already added the modifications to the build.prop to specify the category settings of the radio interface layer (ro.ril).
The radio interface layer is controlled by ro.ril commands in the build.prop file (2.2.2 Froyo) and indicates the class category of the target network. Android is available on every network throughout the world, so some testing has been done to ensure the best performance on the AT&T 3G network using the Dell Streak. Please note, these settings may work on other phones. In fact, many of these settings were gleemed from Amon_RA’s testing with the Nexus One. Continue reading “How to Increase AT&T 3G Speed on Android”