192.168.1.1 > Maintenance > Firmware.

✅ 5G → 4G dropouts reduced ✅ IPv6 Prefix Delegation fixed (good for downstream routers) ✅ Security patch applied

⚠️ Cannot downgrade after install ⚠️ OpenVPN throughput looks slower

Recently, Zyxel has been rolling out incremental updates (moving beyond the launch V1.00(ABUV.0)C0). Here is the current state of play regarding the latest releases.

Let me know your experience in the comments – has the latest update broken your custom APN settings? Title: Zyxel NR5103E Firmware v1.00(ABUV.2)C0 is rolling out 📡