. If a new version is available, follow the on-screen instructions to download and install it. Google Help 3. Troubleshooting & Firmware Recovery
app from the main menu, selecting a file source (like an SD card), and running an app update.tickle file to display debug information during the update. Locating Flash Files
If the touch acts erratic after flashing, it is a driver/firmware mismatch. Do not attempt to "calibrate" the screen; the firmware is simply incompatible with your hardware.
