Testing the 5G networks of Sprint and Verizon in Chicago, I wondered what would happen if ($ 1,000 at Best Buy) over Wi-Fi. While the S10 5G on Sprint reached fairly constant speeds between 100 and 200 Mbps during the day (and a S10 5G on Verizon between 400 Mbps and 800 Mbps), the iPhone had difficulties over 30 Mbps get out. A similar problem occurred when T-Mobile's 5G network was tested in the millimeter wave range .with an iPhone with 4G-Limit
So what is there? After confirming with Samsung and the network operators that no one has reached the top speed, and checking out other devices, including OnePlus 7 Pro and LG V50 ThinQ ($ 1,222 at Best Buy) 5G, the problem seems to be In an Android setting, Wi-Fi hotspots transmit Wi-Fi over a slower 2.4GHz frequency rather than over the much faster 5GHz frequencies.
When I switched to 5 GHz at the mobile hotspot, I saw a speed jump. After the iPhone XS Max ($ 1,100 at Best Buy) had trouble crossing the 30-Mbps limit over Wi-Fi, it was able to switch the hotspot settings of Sprint and Verizon in each 5G network of the respective network operator reach speeds of over 300 Mbit / s.
In a similar test with the OnePlus 7 Pro connected to Verizon's 4G LTE network in New York City, the download speed improved from 33.1 Mbps to 2.4 GHz to 86 , 1 Mbit / s over 5 GHz. Interestingly, the upload speeds seemed to be okay with both bands.
Why is there a difference?
As with 5G mobile phones, there are many different types of WLAN and a few frequencies that can be used. The 2.4 GHz band is great for directing the Wi-Fi signal to greater distances from the router. However, this is slower and more prone to interference from other devices such as cordless phones, baby monitors and even microwaves.
The 5 GHz band (also known as the 5G) is much faster and works with less interference, although its range is much shorter.
Since nothing is so easy, your home router may display 2G and 5G versions of your network, although these Wi-Fi networks are different from those provided by mobile operators. In short, use your router's 5 GHz connection at home when it's available for the fastest speeds, especially on devices such as 4K TVs or game consoles.
Since your phone is often near the device you're connecting to, the 5 GHz range limits should not be a major issue.
Most modern devices can connect to Wi-Fi on both bands. However, some older devices only detect 2.4GHz. For this reason, it makes sense if this is the default option.
How to make sure your phone's hotspot is transmitting at 5 GHz. We give examples of three different manufacturers, but if you have another Android phone that supports 5 GHz, the steps should be quite similar.
Step 1. Go to Settings  Step 2. Tap on "Connections" and then on "Mobile Hotspot and Tethering"
Step 3. Click "Mobile Hotspot" and then tap the three dots in the upper right corner.
Step 4. Tap Configure Mobile Hotspot. This will allow you to change the network name and Wi-Fi password for your hotspot, but scroll down and select "Show advanced options."
Step 5. Select "Use 5 GHz Band if Available".
Step 1. Go to Settings  Step 2. Select "Tethering"
Step 3. Tap "Wi-Fi hotspot" and click "Set up Wi-Fi hotspot"
Step 4. Scroll down the pop-up window and click "Show advanced options"
Step 5. Change from the preselected "2.4GHz band" to the "5GHz band"
Step 1. Go to Settings
Step 2. Select "Wi-Fi & Internet"
Step 3. Select "Hotspot & Tethering" followed by "Wi-Fi Hotspot".
Step 4. Change the "2.4GHz band" AP band to "5GHz band".
What about iOS? Apple does not allow iPhone users to change the band on which Wi-Fi is broadcast via the Personal Hotspot iOS feature. For optimal speed, it is recommended to connect the phone directly to a laptop. Regardless of Android or iPhone, no settings need to be changed to complete the full high-speed connection.