This guide explains how to upgrade the firmware on the Yealink T1, T2, T3 and T4 series IP phones.
If you need assistance then please contact support by calling 0330 445 0000, emailing support@surevoip.co.uk or using the Live Help feature at the bottom-right of this website.
This guide explains how to manually upgrade the firmware for the following Yealink handsets (purchase a Yealink IP phone from the SureVoIP Store):
Please note that the interface for upgrading the Yealink T32G and T38G may differ slightly.
These instructions can also be followed to upgrade a Yealink T4 Series handset but interface may appear differently.