1. The 2026 Speed Tiers Explained

In 2026, telcos like Telstra, Optus, and Vodafone use three primary “caps” to manage their network traffic.

2. Why “Unlimited” Plans Have Capped Speeds

The word “Unlimited” in 2026 usually refers to Data Volume, not Data Speed.

• The Felix Example: Felix offers “Unlimited Data” for $40/month (or $20 on promo), but it is hard-capped at 40Mbps.
• The Post-Cap Throttle: Many plans give you a “Full Speed” allowance (e.g., 60GB). Once you use that, your data remains unlimited, but your speed is throttled to 1.5Mbps or 2Mbps—barely enough for Spotify, but impossible for YouTube.

3. Is a Speed Cap Actually a Problem?

For 90% of students, a 150Mbps cap is practically invisible.

• Fact: A 4K Netflix stream only requires 15–25Mbps.
• Fact: A high-quality Zoom call only requires 6Mbps.
• The Reality: You only notice a speed cap when you are downloading a 50GB game update or syncing a massive folder to Google Drive. In those moments, an uncapped plan would be 5x faster.

4. 2026 Performance Killers (Besides the Cap)

If your speed is lower than your plan’s cap, check these three factors:

1. Network Congestion: 5G is fast because it has high “capacity,” but at 5:00 PM at a major train station, even an uncapped plan will slow down as thousands of phones fight for the same tower.
2. The “Indoor” Penalty: 5G signals (especially high-frequency mmWave) struggle to pass through the reinforced concrete and “Low-E” glass used in 2026 apartment buildings.
3. Device Hardware: If you are using an older 5G phone (like an iPhone 12 or 13), your internal modem may not support the latest 5G Standalone (SA) bands that providers are rolling out in 2026.

5. Summary: Choosing Your Speed

• Don’t overpay: If you only use your phone for Instagram and TikTok, a 100Mbps or 150Mbps plan (like amaysim or Boost) is perfect.
• The Professional Choice: If you use your phone as a primary hotspot for your laptop for 4K video editing or large uploads, look for a 250Mbps plan or an Uncapped Telstra/Optus plan.