If your router continues to struggle with or low speeds even after an update, checking your signal strength via the web interface is the next best step. If you'd like, I can provide a guide on how to read your 5G signal metrics (RSRP/RSRQ) .
If you are reading "39link39" in a forum or log: zyxel nr5103e firmware update 39link39
Optimize 5G signal reception and Wi-Fi stability. If your router continues to struggle with or
Zyxel routers are designed to handle updates automatically, but they can be triggered manually via the web interface. Method 1: Automatic Update (The Primary Method) certain updates re-enable hidden features
Depending on your current version, certain updates re-enable hidden features, advanced APN settings, or better IP pass-through functionality. Understanding the "Link 3" / ABUU.3 Firmware Variant