This version remained SIM locked stock, it can be unlocked with third party tools.
The Samsung Infuse is powered by the Hummingbird (also known as S5PC110 and Exynos 3110) system-on-chip[13][14][15] manufactured on a 45 nm process and comprising a 1.2 GHz ARM Cortex-A8 CPU[16] and a PowerVR SGX540 GPU.
The phone has a 4.5 inch Super AMOLED Plus screen with a resolution of 480x800 pixels (WVGA) and a capacitive touchscreen that supports multi-touch gestures.
It has a Micro-B USB port at the bottom which conforms to the GSMA Universal Charging Solution.
This is the third HSDPA+ phone in AT&T's range, after the Motorola Atrix and HTC Inspire 4G, though this is the first one rated at the full 21 Mbit/s bandwidth of its limited available backhauled (fiber) network.
As of September 27, 2011, the Infuse was supplied with Android 2.2 Froyo[16][17][19][20] customized with Samsung's TouchWiz 3.0 UI, with an updated Home Screen Launcher application.
Samsung applications included are a special version of Angry Birds, Allshare, MediaHub, Memo, Mini Diary, My Files, Quick Office and Write and Go.
Bloatware on the AT&T supplied phone, which may not be removed in stock form includes, AT&T Navigator, AT&T Code Scanner, AT&T Family Map, My AT&T, Live TV and YPmobile.
[22] On 14 September 2011, AT&T rolled out a 14.5 MB maintenance update that, according to Samsung, improves the auto-brightness setting on the phone, enables warnings to display when in Download Mode and enhances GPS functionality and call quality.
[24] On 1 February 2012, AT&T announced that Android 2.3.6 Gingerbread had been released for the phone and posted a change log of the new features.