Administrator’s Guide for SIP-T5 Series Smart Media Phones1322. Click Upload File to locate and upload the required firmware from your local system.A dialog box pops up to prompt “Firmware of the SIP Phone will be updated. It will take 5minutes to complete. Please don't power off!”.3. Click OK to confirm the upgrade.NoteKeeping User Personalized Settings after Auto ProvisioningGenerally, the administrator deploys phones in batch and timely maintains company phones viaauto provisioning, yet some users would like to keep the personalized settings (e.g., ring tones,wallpaper, dial plan, time format or DSS keys), after auto provisioning.NoteConfiguration ParametersThe following table lists the configuration parameters used to determine the phone behavior forkeeping user personalized settings:Parameters Permitted Values Defaultstatic.auto_provision.custom.protect 0 or 1 0Yealink IP phones support FTP, TFTP, HTTP and HTTPS protocols for uploading the MAC-localCFG file. This section takes the TFTP protocol as an example. Before performing the following,make sure the provisioning server supports uploading.If you are using the HTTP/HTTPS server, you can specify the way the IP phone uploads theMAC-local CFG file to the provisioning server. It is determined by the value of the parameter“static.auto_provision.custom.upload_method”.Do not close and refresh the browser when the IP phone is upgrading firmware via web userinterface.