Note down your PPPoE username, password, VPI/VCI values, and MTU settings so you can reconnect to the internet later. Step-by-Step Firmware Flashing Guide Method 1: Web Interface Upgrade (Easiest)
Are you currently , or can you log in?
Go to Management/Maintenance > Firmware Upgrade . Choose your downloaded .bin or .img file and click Upgrade . zte zxhn h108n v25 firmware original patched