Wi-Fi Direct: How it works, where to use it, and how to connect devices directly

Technology Wi-Fi Direct Allows devices to exchange data directly, without the need for a router or access point. It's as if your smartphone or TV could create its own mini-network for transferring files, streaming videos, or printing documents. But how does this work in practice? And why do connections sometimes drop out or speeds leave much to be desired?

In this article we will cover not only the basic principles Wi-Fi Direct, but also the nuances of setting up on different devices - from Android-smartphones to printers HP or televisions SamsungYou will learn how to avoid common mistakes (for example, why Some printer models refuse to print via Wi-Fi Direct when a VPN is active on the phone.), and where this technology compares favorably to classic Wi-Fi or Bluetooth. We'll also compare data transfer speeds with alternative methods in the table.

What is Wi-Fi Direct and how is it different from regular Wi-Fi?

Wi-Fi Direct — is a wireless communication standard that allows two (or more) devices to connect directly, without a router. Essentially, one device temporarily becomes an "access point" and the other a client. But unlike the Hotspot On your smartphone, there's no need to manually configure the SSID or password: the connection is automatic after confirmation on both devices.

Key differences from classic Wi-Fi:

• 🔄 No router: connection is established directly between devices (for example, smartphone ↔ printer or laptop ↔ TV).
• 🔒 Dynamic role: a device can be an access point in one session and a client in another (e.g. Samsung Galaxy S23 can distribute the Internet via Hotspot, but also connect to Canon Pixma via Wi-Fi Direct).
• 📶 Limited radius: up to 200 meters in ideal conditions, but in practice - 10-30 meters (like Bluetooth 5.0, but with higher speed).
• 🚀 Speed: up to 250 Mbps (theoretically), but actual values ​​depend on the Wi-Fi standard (for example, 802.11ac faster 802.11n).

Where does this come in handy?

• 🖨️ Printing documents from your phone to a printer without a router (for example, HP DeskJet 2700 or Canon Selphy).
• 📺 Transfer video from your laptop to your TV LG OLED or a projector Epson without HDMI cable.
• 📱 File sharing between smartphones (an alternative to Bluetooth or NFC, but faster).
• 🎮 Connecting gamepads (for example, DualSense to PC) or cameras (GoPro to the phone).

⚠️ Note: Some devices (such as printers) Brother or televisions Sony Bravia 2018–2020) may require a firmware update to support Wi-Fi Direct. Check this in the menu Settings → Software Update.

Speed ​​and Safety: Myths and Reality

Many users believe that Wi-Fi Direct Slower than standard Wi-Fi through a router. This isn't always the case. Speed ​​depends on:

• 📡 Wi-Fi standard: devices with 802.11ac (5 GHz) transmit data faster than 802.11n (2.4 GHz).
• 🛡️ Encryption: is used by default WPA2-PSK, but some devices (such as older printers) may only support WPA, which reduces the speed.
• 📶 Interference: In apartment buildings, 2.4 GHz channels are often congested.

From a security point of view Wi-Fi Direct more reliable than Bluetooth because:

• Uses WPA2 (Sometimes WPA3 on new devices).
• Requires connection confirmation on both devices.
• Does not broadcast SSID constantly (unlike the mode Hotspot).

⚠️ Important: If you're connecting to public devices (such as a printer in a coworking space), disable automatic connection to known networks in your phone's Wi-Fi settings. This will prevent unauthorized access to your device.

How to enable Wi-Fi Direct on an Android smartphone

On the majority Android-devices (for example, Xiaomi Redmi Note 12, Samsung Galaxy A54 or Google Pixel 7) The function is enabled through the Wi-Fi menu. Instructions:

1. Open Settings → Wi-Fi.
2. Click on the three dots (⋮) in the upper right corner and select Wi-Fi Direct (or Direct Share on some firmware).
3. Activate the device search. Your smartphone will begin scanning for nearby devices that support this feature.
4. Select the target device from the list and confirm the connection on both screens.

On some devices (eg. Huawei P60) the path may differ:

Settings → Connections → Wi-Fi → Advanced → Wi-Fi Direct

If the function is not in the menu, check:

• 🔍 Firmware update (for example, on Samsung With One UI 5.0 and below Wi-Fi Direct could be hidden in Quick Settings).
• 📱 Device model: budget smartphones (e.g. Realme C30) are sometimes deprived of this function.

Make sure Wi-Fi is turned on on both devices|

Disable VPN or proxy (they may block local connections)|

Please check that the target device supports Wi-Fi Direct (see instructions)|

Restart both devices if search doesn't work-->

Setting up Wi-Fi Direct on Samsung, LG and Sony TVs

TVs with Smart TV (For example, Samsung QLED QN90C, LG OLED C2 or Sony X90K) often support Wi-Fi Direct for streaming from a laptop or smartphone. However, the setup interface is different:

Samsung (Tizen OS)

1. Open Settings → General → Network → Wi-Fi Direct.
2. Turn on the function and wait until the TV finds your device.
3. Confirm the connection on your TV and smartphone.

LG (webOS)

1. Go to Settings → Network → Wi-Fi Direct.
2. Select Establish a connection and follow the instructions on the screen.
3. On your smartphone, connect to the network named DIRECT-xx-LG[MODEL].

Sony (Google TV/Android TV)

1. Press and hold the button Home on the remote control, select Settings → Network → Wi-Fi Direct.
2. Activate the mode and wait for the device to appear in the list.
3. Connect using the PIN code from the TV screen.

Once connected, you will be able to:

• 📽️ Stream video from YouTube or Netflix from smartphone to TV via Screen Mirroring.
• 🎵 Play music from your phone on your TV speakers (if they support it) Bluetooth A2DP).
• 🖥️ Use TV as a second monitor for your laptop (via Miracast).

⚠️ Warning: On TVs Sony 2019 and later may need to be disabled IPv6 in the network settings if the connection is lost. This is a firmware bug that still hasn't been fixed.

Why can't the TV see the smartphone?

If your TV doesn't find your device, check:

1. Power saving mode on your smartphone (turn it off).

2. Location settings: Some manufacturers (for example, Xiaomi) block Wi-Fi Direct when GPS is turned off.

3. Antivirus or firewall (for example, Avast can block local connections).

4. TV firmware version — models produced before 2018 may not support modern Wi-Fi standards.

Connecting printers and MFPs via Wi-Fi Direct

Printers with Wi-Fi Direct (For example, Canon Pixma TS3440, HP Envy 6055 or Epson EcoTank ET-2800) allow printing without a router. Setup process:

1. Press the button on the printer Wi-Fi Direct (or go to the menu Settings → Wireless).
2. Write down the network name (SSID) and password that appears on the printer display.
3. On your smartphone or laptop, connect to this network as you would to a regular Wi-Fi network.
4. Install the official software of the manufacturer (for example, HP Smart or Canon PRINT) and add a printer.

Typical problems and solutions:

• 🔌 The printer does not print: Check that the phone is in the off mode Saving traffic (it may block data transmission).
• 📵 No connection: Restart your printer and smartphone, then search for the network again.
• 🔒 PIN code required: on some models Brother It is indicated on the sticker on the back.

Wi-Fi Direct on Windows and macOS: How to Connect a Laptop

On computers Wi-Fi Direct most often used for connecting to printers or televisions. Windows 10/11 The function is built into the system, but may require additional drivers.

Instructions for Windows:

1. Open Settings → Devices → Printers & Scanners.
2. Click Add a printer or scanner.
3. Select your printer from the list (if it supports Wi-Fi Direct, it will appear as DIRECT-xx-[MODEL]).
4. Connect using the PIN code from the printer display.

For macOS (for example, on MacBook Pro M2):

1. Open System Preferences → Printers & Scanners.
2. Click +, select the tab Wi-Fi.
3. Find your printer in the list and add it.

If the laptop does not detect the device:

• 🔧 Update your Wi-Fi adapter driver (for example, for Intel AX200 or Qualcomm Atheros).
• 🛡️ Temporarily disable your firewall Windows Defender or macOS Gatekeeper.
• 📡 Make sure your laptop and target device are within range (no further than 10 meters).

Common mistakes and how to fix them

Even with the correct settings Wi-Fi Direct may work unstable. Let's look at the most common problems:

1. The devices don't find each other

Reasons and solutions:

• 📵 Wi-Fi is off: Check that the feature is activated on both devices.
• 🔄 Different Wi-Fi standards: if one device only supports 802.11n (2.4 GHz), and the other is 802.11ac (5 GHz), the connection may fail. Try manually selecting the 2.4 GHz band in the settings.
• 🛡️ Blocked by antivirus: add devices to the exceptions (for example, in Kaspersky or ESET).

2. The connection is interrupted

What to do:

• 🔋 Check the battery charge: Some devices (eg. GoPro) disable Wi-Fi Direct when battery level is low.
• 📶 Move the devices closer to each other (optimally 1–5 meters).
• 🔄 Restart both devices and try connecting again.

3. Low data transfer rate

How to speed up:

• 📡 Switch to the 5 GHz band (if both devices support it).
• 🚫 Close background applications that use the internet (for example, Torrent or Zoom).
• 🔌 Connect your devices to a power source (speed may be limited on battery power).

⚠️ Note: On some printers (e.g. HP OfficeJet Pro) Wi-Fi Direct speed is artificially limited to 50 Mbps to save power. This can't be fixed—it's a firmware issue.

FAQ: Frequently asked questions about Wi-Fi Direct

Is it possible to share internet from a phone via Wi-Fi Direct?

No, Wi-Fi Direct It is not intended for internet distribution. For this, use the mode Access point (Hotspot) or USB modemWi-Fi Direct creates a local network only for data exchange between devices.

Why is Wi-Fi Direct slower than Wi-Fi through a router?

The speed depends on several factors:

1. One of the devices may be using an outdated standard. 802.11n (max 150 Mbps).
2. Direct mode does not provide the traffic optimization provided by the router.
3. Interference from other networks (especially in the 2.4 GHz range).

For maximum speed, use devices with 802.11ac and the 5 GHz range.

Is it possible to connect multiple gadgets to one device via Wi-Fi Direct?

Theoretically yes, but in practice most devices only support one active connection. The exception is some printers (for example, Epson WorkForce Pro), which can accept tasks from multiple clients, but with a speed limit.

Is it safe to transfer files via Wi-Fi Direct?

Yes, if:

• You have confirmed the connection on both devices.
• Encryption is used WPA2 (check in settings).
• You have disabled automatic connection to known networks after transfer.

For additional protection, you can enable Hidden network (if the device supports it).

Why is there no Wi-Fi Direct on iPhone?

Apple does not support Wi-Fi Direct in its usual form, but offers alternatives:

• AirDrop — for exchanging files between devices Apple.
• AirPlay — for streaming on Apple TV or compatible TVs.
• Peer-to-Peer Wi-Fi - used in some applications (for example, to connect to printers) HP through HP Smart).

To connect to printers or TVs with Wi-Fi Direct iPhone Use official applications from manufacturers.