disconnect power during this process to avoid bricking the device. VoIP University Interesting Paper: "Cloud Modernisation Blueprint"
Here is the step-by-step process to install the update safely. zlt p21 firmware update install
Q: How often should I update my ZLT P21 firmware? A: You should check for firmware updates periodically, ideally every few months. disconnect power during this process to avoid bricking
Look for a tab labeled , Firmware Update , or Local Update . Upload the Firmware File : zlt p21 firmware update install