How to install Android 2.2 on Samsung 4G Epic :

Samsung 4G Epic, the flavor of Sprint S Galaxy, just try an update
official day of the flight software Froyo Android 2.2 (2.2.1 Android for
be more precise) of the operating system, but unofficially.

The software solution can be found available for download
Since Google's servers, and was intended only for equipment
that are running under the stock Android 2.1 firmware
yet.

For those actions running Android 2.1 devices on their Epic
4G Android Froyo 2.2.1 can be downloaded from Google's servers
here.

Once the software has been downloaded, it should rename it "update.zip"
(Not "update.zip.zip") and put it on the root folder on storage
USB microSD card on the Epic 4G.

After that, we could launch the phone in "recovery"
then apply the Recovery update.zip Mode.Dès that the process is
completed, the Epic pass 4G Android Froyo 2.2.1 (DK28).

Those who lose their means of rooted root access after the update
day, while some applications developed specifically for
combination might not work with the new software.

Where there are users that are running on their 4G an Epic
different version of the Android OS 2.1 (DI18) OS, they would install
the new software by Odin.

For this, they would need to download this file. Tar with Odin.
After downloading Odin, they would have to fire and put it on
"Download mode.

Then they need to turn the unit off and hold "1" on the
keyboard while powering it. With the handset is connected to
the desktop, they need to place the file. tar PDA
the slot, then start flashing to the new Android OS 2.2.1
Froyo (DK28).