Can someone try if the below steps can cold reset the I780???
1. Remove the storage card from the device, if one is
2. With phone powered off:
Press and hold both the left and right softkeys.
While both softkeys are held down, press and
hold until the unit powers on.
3. As the device begins to power on, release both
Note Once the phone powers on, you should see an
onscreen alert message (a white screen with blue text).
If you do not see this screen, let the device power up
normally, turn it off again, and then repeat steps 2 and
4. Immediately after the alert screen appears, press
the left softkey.
5. If the reset was successful, the device displays a
pop-up message stating the device is currently
reformatting. This process can take several
minutes. Allow the process to finish without