Firmware upgrade 1-10pcs
Yealink SIP phone

Add as many pieces to the cart as you would like to upgrade.

Yealink SIP phones upgrade only those phones which were bought  with Hungarian software from the Assono Hungary Ltd. or from an authorised dealer. It needs for upgrade in case of change for the newer Hungarian software or other kind of official factory upgrade which doesn’t include Hungarian language package.

Since there is no customized software for every factory firmware, that is why if you would like to upgrade your old system, please inquire about the possibility before ordering the upgrade.

 Software upgrade in case of non authorised delars bought phones are unavailable.

 For the ordering please send us (szerviz [at] assono.hu ) the factory number and MAC address of the phone in an excel.