D-Link DPH-540 User Manual page 17

5. Click on Upgrade Bootcode. You must upgrade the Bootcode before upgrading the software.
6. Click on Browse and locate the bootcode file. Highlight it and click Open. Click Upgrade. The screen on the phone
will display the status of the upgrade. Once the upgrade is finished, continue to the next step.
Caution: Do not turn off the phone during the upgrade process.
7. Click Upgrade Software on the left side.
8. Click on Browse and locate the firmware file. Highlight it and click Open. Click Upgrade. The screen on the phone
will display the status of the upgrade. This process may take up to 3 minutes.
D-Link DPH-540 User Manual 1