Pioneer SPH-10BT Firmware Update Instructions page 4

7.
Press>repeatedly to select "UPDATE", then press Application Launch to confirm.
8.
Select "START" to begin updating the unit to the latest software
9. The "CHK FILE" screen will appear.
-> If it shows "ERROR" on the display, try the following:
"FILE ERR->CHK USB"
process or change to a new USB storage device.
10. After starting, a progress status indicator will display while updating.
-> If an "ERROR" shows on the display, try the following:
"ERR->RETRY" Disconnect, then reconnect the USB storage device and press Application Launch
retry the update.
11. Wait until the update is complete, which will take about 5 minutes.
-> You will see the following screen if the update has completed successfully.
Confirm that the software is correct, then restart the update
to