Performing a Normal (Soft) Reset on a Samsung SPH-i770
A normal reset is sometimes referred to as a soft reset. A normal reset stops all running applications but does not erase any programs or saved data.
Caution be sure to save any unsaved data before performing a normal reset since a normal reset erases all unsaved data.
- Locate the Reset button positioned just below the Camera/Camcorder key on the right side of the phone.
- Carefully inserting a thin blunt object (such as your stylus) into this slot will exit the current screen and cycle power to the phone.
Performing a Hard (Full) Reset on a Samsung SPH-i770
A full reset is sometimes referred to as a hard reset. Perform a full reset when you want to clear all settings, programs and data from RAM. A full reset deactivates the battery the power button does not function until the battery is reactivated.
Caution if you perform a full reset, your Samsung SPH-i770 returns to its default settings and looses all information that is not recorded in ROM.
- Locate both the Reset button and the Optical Mouse (shown below).This process requires the reset button and the Optical Mouse be pressed simultaneously to initiate the reset process.
- Press and hold the Optical Mouse and Reset simultaneously (by using a blunt object such as your stylus) for a few seconds.
- First release Reset then the Optical Mouse. This action restarts the phone, clears any data stored on the phone, and then cycle power to the phone.
- The prompt: “Are you sure you want to format?” appears, press the SEND
key to format, or END 
key to cancel.
- Once the phone starts, you must tap the LCD screen using your Stylus to begin the calibration process.
