Hello,
Wow, that's incredibly frustrating — you’re clearly not getting what you paid for, and it’s even more concerning that your friend is having the same issue after switching to the same plan and provider.
Here’s a quick breakdown of what’s happening and what you might want to do next:
What You've Discovered So Far
Advertised Speed: 1000Mbps (with 650Mbps expected during peak).
Your Router Test Results: ~138Mbps down / 38Mbps up.
Speed Direct from NBN Box (bypassing router): 300–380Mbps.
Router Used: TP-Link capable of up to 1.4Gbps — not the bottleneck.
Connection Type: FTTP (Fiber to the Premises) — the best available infrastructure. What This Suggests
Not a home equipment issue: Your hardware is capable of gigabit speeds.
Not just your household: Your friend has the exact same experience.
Not NBN itself: Direct speed test from the NBN box was higher than through your router, but still far from 650–1000Mbps.
Best Regards