You must save your private documents securely including messages and contacts before performing a hard reset of Galaxy S GT-I9000, because all data will be deleted from your device after performing a hard reset.
When the device boots into Recovery, highlight the wipe data/factory reset option using Volume keys and select it using the Power button. Now, select the Yes -- delete all user data option and press the Power button to perform the operation. Now, all your
This quick guide shows how to Boot Samsung Galaxy S I9000 into Recovery Mode and Download Mode to wipe cache partition, factory data reset, ADB Sideload, wipe Dalvik cache and for flashing firmware.
The following tutorial shows all methods of master reset SAMSUNG I9000 Galaxy S. Check out how to accomplish Hard Reset by hardware keys and Android 2.1 Eclair settings.