Zlt — P21 Firmware Update

Power on the ZLT P21 while holding the Reset button (use a paperclip). Hold it for 10 seconds, then release. The router will enter recovery mode and pull the firmware file from your TFTP server.

Never flash firmware over Wi-Fi. Connect your computer directly to the ZLT P21 using an Ethernet (LAN) cable. zlt p21 firmware update

Log in using your administrator username and password (default is usually admin / admin if you haven’t changed it). 3. Locate the Firmware Update Section Navigate to the , Settings , or Advanced menu. Power on the ZLT P21 while holding the