User Guide
Page 23
... any action on your phone administrator or Internet Telephony Service Provider (ITSP). Determining Your Current Firmware Version Cisco SPA502G, Cisco SPA504G, Cisco SPA508G, Cisco SPA509G, Cisco SPA512G, Cisco SPA514G: STEP 1 Press the Setup button. To update your phone firmware, do not see the display, contact your part necessary. Your provider can automatically update your phones without consulting your phone...
... any action on your phone administrator or Internet Telephony Service Provider (ITSP). Determining Your Current Firmware Version Cisco SPA502G, Cisco SPA504G, Cisco SPA508G, Cisco SPA509G, Cisco SPA512G, Cisco SPA514G: STEP 1 Press the Setup button. To update your phone firmware, do not see the display, contact your part necessary. Your provider can automatically update your phones without consulting your phone...