I've ported a couple apps to USCC phones and I keep coming across issues with the Motorola V323i. Here's what I know so far.

- On one app which writes pixels to the display buffer, the app will simply crash after a short period of time. Sometimes it freezes immediately on launch, slowly filling the screen with horizontal white lines. Only happens on this device.
- On another app which simply uses IGRAPHICS_ and IDISPLAY_ calls to render images, shapes, and text, it doesn't crash.

The problem with the latter is that sometimes the screen "flickers". The way it flickers suggests that the device is doing an equivalent of IDISPLAY_Update() on its own. Since it's always after the "draw the background" method is called, it's almost as if (as odd as this sounds) this graphics update is being inserted into the call stack by the firmware.
The issue isn't 100%, it comes and goes.

Possibly related, the screen sometimes freezes when the clamshell is shut and opened, which means it'll never pass NSTL. I should note that doing this again will send the user back to the OEM screen.

Is there a reason the device behaves this way? This isn't a known issue, and it hasn't been brought up in previous forum posts. My biggest suspicion is that because we got this device pre-commercial, there's a firmware issue that never made it to final.