If you are experiencing connection drops, update to the latest available firmware (starting with V1.00 ). If the official Zyxel page shows an older version, check with your Internet Service Provider for the carrier-specific version, as generic firmware may not install on locked devices.
V1.00(ABUV.3)C0 or later (depending on regional variant) zyxel nr5103e firmware update 39link39
Many YouTube thumbnails use sensational keywords for views. Check the comments – if users report viruses or bricks, avoid. Stick to the official Zyxel portal. If you are experiencing connection drops, update to
Firmware acts as the brain of your router. Regular updates provide: If you are experiencing connection drops