Tegrak Overclock, a program that has supported overclocking the Galaxy S series of smartphones from Samsung has been updated with new support for the Galaxy S II line. Superuser/Root access is required, and the device must be running a stock kernel and ROM (custom ROMs and kernels are not currently supported.)

What sets this app apart from other overclocking solutions is that it requires the use of a stock, unmodified kernel vs. other Android overclocking solutions which require custom code to be compiled into a kernel. This can provide a less-intrusive method for those not wishing to flash a custom kernel. To achieve the overclock, a kernel module is loaded via a button in the app, which provides an interface to which the user can set clock speeds from 1.0 to 2.0 GHz and voltages from 750mV to 1400mV. The app has been verified to work on European and Korean model Galaxy S II devices, with specifically tested models listed as GT-I9100, SHW-M250S, SHW-M250K, and SHW-M250SL. A limited range of frequencies and voltages is available in the app’s free version, with the $1.99 “Ultimate” version providing the full range of choices.

Stable speeds have been reported up to 1.57GHz from the stock 1.2GHz, with an appropriate boost in voltage. While the Quadrant test becomes more and more dated, scores of up to 4772 have been reported, which places the Galaxy S II firmly in the top-end of Android performers. The developer states that custom kernels will be supported once Samsung releases it’s latest kernel source.

Source: Android Market (1), (2)

Via: XDA

Thanks: Rawat

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