This is How to Hard Reset Verizon's Samsung Stratosphere i405

Here's a simple tip on how  to factory reset the Samsung Stratosphere i405 from Verizon.
The Samsung Stratosphere is Verizon’s first 4G LTE slider.  This new Android handset runs on Android Gingerbread, a WVGA display Super AMOLED Plus, 5MP rear camera, and a 1.3MP front-facing camera.

But however, if you'll experience any low performance, hang or frozen problem, a factory reset may help to restore back your Samsung Stratosphere to it's original factory default settings. But just ensure to have a back copy of all your important data files like contacts, messages, etc. that are stored in the handset for it will be all deleted on this process.

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Here's  how to reset your Samsung Stratosphere

 Factory reset
-From the Home Screen, tap Settings
-then scroll to and then select Privacy
-then scroll to and select Factory Data Reset
-then select Reset Phone
-then select Erase Everything

Hard Reset
You can either type and enter this code *2767*3855# or do a button combination below if the Samsung Stratosphere experience hang problem like just stuck on the start up logo.