A Windows PC can use Starlink and 4G/5G or LTE cellular at the same time: connect to Starlink Wi-Fi, plug in a USB cellular adapter, and add Speedify.
Speedify is an app that combines two or more internet connections at once, such as Starlink and 4G/5G cellular, so you get faster uploads and downloads and stay online if one connection drops. Without the cellular adapter, Speedify has only Starlink to work with: it then works as an encrypted VPN and cannot stop Starlink itself from dropping.
This guide shows how to combine Starlink with a 4G/5G cellular connection on a Windows PC using Speedify.
Note: Combine internet connections from different sources. Connecting to the same router over both Wi-Fi and Ethernet does not add speed, because both share one internet connection.
Speedify combines Starlink with other internet sources for faster uploads and downloads, and failover
Starlink and 4G/5G Cellular on Windows: Faster Downloads and Uploads, Fewer Dropouts
3 Steps to Combine Starlink and Cellular on a PC Using Speedify
Step 1: Connect to Your Starlink Wi-Fi Hotspot
First, set up your Starlink with the instructions that came in the box. This includes your Starlink Wi-Fi network name and password.
On your PC, select the network icon at the right end of the taskbar and turn Wi-Fi on if it is off. Select the arrow next to the Wi-Fi button (Manage Wi-Fi connections), choose your Starlink Wi-Fi network, select Connect, and enter its password.
Step 2: Connect Your USB Cellular Adapter to Your PC
Connect your USB cellular adapter to a USB port on your PC. Some cellular adapters need the manufacturer's dialer app to connect to the internet, so follow the manufacturer's installation and setup instructions.
To check that the cellular connection is active, select the network icon at the right end of the taskbar and look for a Cellular button. Some adapters show up as an Ethernet connection instead.
Step 3: Download and Install Speedify
Download and install Speedify. Speedify is an app that combines your Starlink with the other internet connections on your device, so your internet is faster, more reliable, and more secure.
Once running, Speedify finds your internet connections on its own and splits your traffic across them. If Starlink drops, Speedify moves your traffic to the internet connections that still work. Video calls and live streams get priority over background downloads and updates.
To see how each internet connection is doing, or to set a data limit on one, click or tap it in Speedify.
Speedify's cellular sharing adds more 4G/5G cellular: phones and computers running Speedify on the same local network share their 4G/5G cellular with each other.
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Speedify combines Wi-Fi, 4G/5G cellular, Ethernet, Starlink and satellite into one faster, more reliable internet connection. Free to try: 5 GB a month with a free account. No credit card required.
🚀 Speed
Faster uploads and downloads, because Speedify uses all your internet connections at once.
📶 Stability
If one internet connection drops, Speedify moves your traffic to the others in milliseconds.
🔒 Security
AES-256 encryption on every internet connection, on any network you join.
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