How to Combine Two Internet Connections

In-depth guide to combine 2 internet connections on Windows or macOS

Written by Travis Boylls

Last Updated: June 25, 2024 Fact Checked

This wikiHow teaches you how to combine two or more Internet networks into one main network. Speedify is an app that allows you to combine two internet connections on all your devices, and acts as a VPN.^{[1]
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Research source} A free Speedify account allows you to use up to 5GB of data per month. An unlimited account costs $8.99 per month, or $49.99 per year.

Combing Two Internet Connections

Get a load-balancing router to combine your Internet connections into one broadcast. You can connect multiple modems with different wireless networks to process all of the modems' connections.

Method 1

Method 1 of 4:

Using Speedify on Windows and Mac

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If you are using a wired connection, connect an Ethernet cable from the Ethernet port on your computer to an open LAN port on your modem or router. If you are using a Wi-Fi connection, click the Wi-Fi icon (the icon with three arching lines) on the right side in the menu bar on Mac, or taskbar on Windows. Then select your Wi-Fi network and enter your wireless passkey.^{[2]
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Connect a secondary internet connection. If you are connecting a wired and wireless connection, you can easily do so by connecting to your Wi-Fi network and then connecting to your computer using an Ethernet port on your computer. However, if you are connecting two wired or two wireless connections, or your computer doesn't have an Ethernet port, you will likely need to purchase a USB Ethernet adapter to connect a second Ethernet cable or a wireless USB adapter to connect to a second Wi-Fi connection.
- If you are using a Mac, you will need to install additional drivers to be able to use a wireless USB adapter. Make sure the adapter you purchase is compatible with MacOS. You will not be able to use a USB ethernet adapter.
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Navigate to https://speedify.com/download in a web browser. You can use any web browser on PC or Mac.
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Click Windows or Mac. If you are a Windows user, click Windows to download the Windows version of Speedify. If you are a Mac user, click Mac to download the Mac version of Speedify.
- Speedify requires Windows 7 or later, or MacOS 10.10 or later.
After Speedify is done downloading, click "SpeedifyInstaller.exe" on Windows, or "SpeedifyInstaller.dmg" on Mac. By default, you can find your downloaded files in your "Downloads" folder, or within your web browser. This installs Speedify.
After you install Speedify, the app will open automatically. If you need to open Speedify, click the Windows Start menu in the lower-left corner on Windows, or the icon that resembles a magnifying glass in the upper-right corner on Mac. Type speedify, and then click the Speedify app. It has a blue icon with an "S".
It's the green button at the bottom of the screen.
It's the green button in the center of the page. This indicates that you agree to the privacy terms.
Once Speedify opens, both your connections will be listed at the top. If the toggle switch next to Speedify is green, both networks are bonding.^{[3]
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Research source} A free Speedify account allows you to use up to 5GB of data per month. An unlimited plan costs $14.99 a month, or $89.99 per year.^{[4]
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Method 2

Method 2 of 4:

Using Speedify on Mobile Devices

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If you are using Android, tap the Google Play Store icon to open it. It has an icon that resembles a colorful triangle. If you are using an iPhone or iPad, tap the blue icon with a white "A" to open the App Store.
If you are using an iPhone or iPad, tap the search tab in the lower-right corner to display the search page.
On Android, the Search bar is at the top of the Google Play Store. On iPhone and iPad, it's under the Search tab. Tap the search bar and then use the on-screen keyboard to search "Speedify". This displays a list of search results.^{[5]
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This displays the app info page in the Google Play Store or a list of similar apps in the App Store.
In the Google Play Store, tap Install to install Speedify. On iPhone and iPad, tap GET next to Speedify to install it. It has a blue icon that a white "S".
After Speedify is finished installing, you can tap the blue icon with a "S" on your home screen or apps menu to open Speedify, or tap Open next to it in the App Store or Google Play Store.
It's the green button at the bottom of the screen.
It's the green button in the center of the page. This indicates that you agree to the privacy policy.
There are a features Speedify needs access to on your phone. You will need to allow locations on both iPhone and Android devices. On Android, you will need to enable phone state permissions. On iPhone and iPad, you will need to install the Speedify VPN profile and allow notifications. Tap the buttons on the screen, and then tap Allow to enable these features.
After you have enabled all the needed features, you can tap the green button at the bottom of the screen that says Continue.
Speedify on mobile devices allows you to use both your mobile data and your wi-fi connection at the same time. If you do not have an unlimited data plan, tap Yes, apply data caps to apply a monthly 2 gb limit on your mobile data connection. Then tap Got it to continue. If you have an unlimited data plan, tap No, I have an unlimited data plan to allow unlimited data on your mobile connection.
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Tap the toggle switch next to "Speedify". This turns on internet bonding for both your wifi and mobile data connection.^{[6]
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Research source} A free Speedify account allows you to use up to 5GB of data per month. An unlimited plan costs $14.99 a month, or $89.99 a year.^{[7]
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- If you have another VPN profile active on your device, you will need to go into the Settings menu and search VPN. Then disable your current VPN before turning on Speedify.

Method 3

Method 3 of 4:

Using a Load-Balancing Router

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1
Purchase a load-balancing router. A load-balancing router combines all of your Internet connections into one massive broadcast. You can connect multiple modems with different wireless networks to your load-balancing router in order to process all of the modems' connections.
- A two-connection load-balancing router will cost you between $40 and $90.
If you have two or more wireless networks broadcasting from separate modems, you can connect them to your load-balancing router by attaching one end of an Ethernet cable to the square "Internet" port on your selected modem and then connecting the other end to a square port on the back of your router.
3
Open the router's configuration page on your computer. You'll do this by entering the IP address for your usual network, which can be found in your connection settings.
- If connecting to the IP address in your computer's connection settings doesn't lead you to the router's configuration page, check the "Basic Setup" section of your router's manual for the proper address.
4
Click Advanced. You'll usually find this tab on the left side of the router's page.
- Although most load-balancing routers have similar pages, you may see slightly different options in different locations depending on your load-balancing router's manufacturer.
Again, you'll usually find this on the left side of the page.
You'll most likely find this box near the top of the page.
Unchecking this box and the one before it will allow your load-balancing router to distribute your connected Wi-Fi networks in one single connection.
Your settings will be saved.
If you've completed your load-balancing router setup and your computer is currently connected to the load-balancing router's name in your Wi-Fi menu, you should notice a difference in your browsing speed.

Method 4

Method 4 of 4:

Creating an Aggregate Connection on Mac

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1
Ensure that you have two Ethernet ports. In order to combine two Internet connections on your Mac without using a special router, you'll need to use an Ethernet connection to each of the connections' routers. This means that your Mac must either have two Ethernet ports or the capability to house an Ethernet adapter:
- If you have one Ethernet port and at least one USB-C (Thunderbolt 3) port, you can buy an Apple USB-C Ethernet adapter to fill in as the second Ethernet port.
- If you have no Ethernet port and at least two USB-C (Thunderbolt 3) ports, you can buy two Apple USB-C Ethernet adapters to create the two Ethernet ports.
- If you have only one USB-C (Thunderbolt 3) port and no Ethernet port, you can't combine two Internet connections via Ethernet. Try using a load-balancing router instead.
- Since your Mac can only combine two connections which both use 802.3ad-compliant connections, you cannot use a USB 3.0 to Ethernet adapter.
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Connect both routers to your Mac. Using an Ethernet cable for each of the two routers, plug one end of each cable into the "LAN" (or similar) port on the back of each router, then plug each of the cables into your Mac's Ethernet ports.
- You must first connect the Ethernet adapter(s) to your Mac if you don't have more than one Ethernet port.
Click the Apple logo in the top-left corner of the screen. A drop-down menu will appear.
It's near the top of the drop-down menu. Doing so opens the System Preferences window.
You'll find this globe-shaped icon in the System Preferences window. Clicking it opens the Network window.^{[8]
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It's in the lower-left side of the window. A pop-up menu will appear.
This option is in the "Action" pop-up menu. A new window will open.^{[9]
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It's in the lower-left side of the new window. Clicking it prompts a drop-down menu.
This option is in the drop-down menu.
Click the checkbox to the left of each of the Ethernet connections.^{[10]
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Type a name for your new connection into the text box at the top of the window.
This will both create your combined Internet connection and connect to it. Your Mac should now automatically split things like download speed and streaming between the two connections.^{[11]
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Community Q&A

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Question

I followed method one. After restarting the PC, when I connect to a second network, it connected successfully, but after a while the first network disconnects. What do I do?

Community Answer

That's because this won't work like the author thinks it will. All this does is rank a preference if both are available. If they're equal, you may end up with some apps using one for a while and others using another, but eventually you may not have more than one application and the 2nd will drop off. I'm not sure if there is a way to actually do this, but I'm looking into it.

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Question

Is it possible to load balance 1 x DSL with 1 x 3G/4G connection?

Community Answer

Download Speedify, which works perfectly. You can combine up to 10 different signals (LAN, WiFi, 3G/4G) into one. It's free until you use a gig of data a month, but Speedify itself is a VPN, so you get a VPN in addition to being able to connect multiple signals into one.

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Tips

While combining your internet connections doesn't double your download speeds, it does increase your bandwidth (e.g., the amount of space you have to download things before you notice any slow-down) by splitting activity between the two connections.

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Try streaming a movie while downloading a large file with your Internet connections combined to see how much your bandwidth has improved.

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If you don't have another wireless network outside of your home or work network available, you can set up your smartphone as a wireless hotspot to create your own custom wireless network.

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Warnings

Combining separate Internet connections may go against your ISP's contract. Be sure to check the details of your current Internet contract before combining two or more Internet connections.

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