Information: Samsung Galaxy S II (AT&T) ("i777")

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Samsung Galaxy S II (AT&T)

Galaxy S II (AT&T) Specifications
I777.png
Codename: i777
Vendor: Samsung
Release Date: 2011 October 2 (USA)
Carrier: AT&T
Type: phone
GSM freq: 850 900 1800 1900 MHz GSM/GPRS/EDGE
850 1900 2100 MHz UMTS/HSPA+
Platform: Samsung Exynos 4210
CPU: 1.2 GHz dual-core Cortex A9
GPU: Mali-400
RAM: 1GB
Weight: 113 g (4.0 oz)
Dimensions: 126 mm (4.9 in) (h)
66 mm (2.6 in) (w)
9 mm (0.354 in) (d)
Screen dimension: 109 mm (4.3 in)
Resolution: 800x480
Screen Density: 222 PPI
Internal Storage: 16GB
SD Card: up to 32GB
Bluetooth: 3.0
Wi-Fi: 802.11 b/g/n
Main camera: 8MP w/ LED flash
Secondary camera: 2MP
Power: 1650 mAh
Peripherals: capacitive touchscreen, proximity & light sensors, 3-axis accelerometer, 3-axis gyroscope, digital compass, A-GPS, FM Radio, NFC
CM Support: 7, 9, 10, 10.1, 10.2, 12.1

Notes

Note:

The install guide assumes your device is running stock Android 4.x.

Note:

This device was previously called galaxys2att. Current development uses the i777 name, but older releases of CyanogenMod can still be downloaded from download.cyanogenmod.org/?device=galaxys2att.

WARNING:

Some second-generation Samsung Exynos devices are potentially susceptible to a "superbrick" caused by performing a factory reset with the stock kernel, which effectively kills the internal memory in the device. It is highly recommended you do not perform this operation while using a stock kernel for safety reasons.

Get CyanogenMod for the Galaxy S II (AT&T)

Development channel a.k.a. Nightlies, usually generated every 24 hours, experimental, newest features, unstable! Release channel a.k.a. M-builds or Milestone snapshots, all or nearly all issues resolved, stable for daily use

Installation

How to install CyanogenMod on the Galaxy S II (AT&T)

Or build CyanogenMod yourself

Build guide

How to build CyanogenMod for the Galaxy S II (AT&T)

Source code

Device http://www.github.com/cyanogenmod/android_device_samsung_i777
Kernel http://www.github.com/cyanogenmod/android_kernel_samsung_smdk4412

Additional resources

Special boot modes

  • Recovery: Vol Up & Power
  • Download: Volume Down & Power

Known Issues

To see a list of known issues, or to submit an issue, visit the Known Issues page for the Galaxy S II (AT&T).

Find help online

You may find assistance with the Galaxy S II (AT&T) on Internet Relay Chat or on the CyanogenMod forums.

Maintainers

The following people are maintainers for this device: atinm, Entropy512


Edit the i777 device template

This wiki has a "master" device template for adjusting settings pertaining specifically to the Galaxy S II (AT&T) (learn more). To change these master settings, edit the wiki device template at Template:device_i777.

Helpful Tip

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