Modern smartphones such as Xiaomi Redmi 9WiFi Direct offers a variety of data transfer methods, but WiFi Direct is often overlooked, despite being one of the most effective file sharing tools. This feature allows you to transfer large videos, photos, and documents at incredible speeds without using mobile data or connecting to a router. Unlike Bluetooth, which can be slow, WiFi Direct provides a gigahertz frequency range, which is critical when working with high-resolution content.
However, owners of budget and mid-range models sometimes have difficulty finding this option in MIUI. The Android interface can hide the switch in unobvious places, and power-saving algorithms sometimes forcibly disable the module. In this article, we'll detail how to find and activate it. WiFi Direct on your device so you can instantly share content with friends or connect your smartphone to a printer or TV.
It's worth noting that the technology doesn't require an internet connection to operate, as devices communicate directly with each other. This makes the method ideal for transferring sensitive data in areas where public networks may be unsafe. Let's look at the technical features and steps required to initiate the process on your device.
What is WiFi Direct and why is it needed on the Redmi 9?
Technology WiFi Direct is a standard that allows two devices to connect directly, bypassing an access point or router. In the context of a smartphone, Redmi 9 This means you can create a local network between your phone and, for example, a smart TV or another smartphone. Data transfer rates can reach 250 Mbps or higher, which is tens of times faster than classic Bluetooth.
The main advantage is its versatility and the lack of third-party hardware. You don't need to configure complex network settings or enter Wi-Fi router passwords. The protocol automatically finds available devices within range and prompts for a connection. This is especially convenient when you need to quickly transfer gigabytes of data.
It's important to understand that WiFi Direct isn't just a file-sharing service; it's a fully-fledged network protocol. It's used not only for file transfers, but also for screen sharing (Miracast), document printing, and even local online gaming. On the device Xiaomi This feature is deeply integrated into the system, although the user interface may disguise it under different names.
Where to find the WiFi Direct toggle in MIUI
Users often wonder where exactly the switch is hidden, as it is not in the standard settings menu. Redmi 9 There may not be a separate "Enable" button. In MIUI, activation often occurs automatically when launching a compatible app or through a hidden menu. Manual access to advanced WiFi settings sometimes requires using the engineering menu or special commands.
One way to activate this feature is to use the "Mi Drop" feature (now called Xiaomi Share), which is based on the WiFi Direct protocol. When you activate file reception, the phone automatically launches the necessary module. However, for advanced control, such as connecting to a specific printer, you may need to access system settings via search or ADB commands.
It's also worth keeping in mind that the menu location may vary depending on the firmware version. In newer MIUI updates, the wireless network settings have been rearranged. If you don't see the option right away, try using the search bar at the top of the Settings menu and searching for "WiFi Direct" or "Wireless Display."
⚠️ Note: The MIUI interface is constantly being updated. If the described paths don't match your screen, use the settings search or consult the official manual for your specific firmware version.
Step-by-step instructions for activation via settings
First, you need to make sure that the base WiFi module on your Redmi 9 active. Without the primary adapter enabled, WiFi Direct won't work, as it uses the same physical chip. Go to the Settings menu and select "WiFi." Make sure the slider is set to "On."
Next, follow the steps to search for devices. Although there may not be a clear button, the system will begin scanning the surrounding area if the transfer process is initiated. In some MIUI versions, you need to tap the three dots in the upper right corner or select "Additional settings."
If the standard method doesn't work, you can try activating discoverability mode via the "Wireless Display" menu. This forces the Direct protocol to run. After this, the phone will be visible to other devices for pairing.
☑️ Activation checklist
Obstacles such as walls or metal structures can significantly reduce connection speed or even interrupt it completely. Try to stay in the same room as the receiving device.
Using Xiaomi Share to transfer data
Company Xiaomi implemented its own add-on to the WiFi Direct protocol called Xiaomi Share (formerly Mi Drop). This is the most convenient method for ecosystem users. Redmi And MiThis feature allows you to transfer files without compression or quality loss, using a high-speed channel.
To use this method, open your gallery or file manager, select the desired file, and click the "Share" button. Select the logo from the list of available options. Xiaomi ShareThe phone will automatically turn on the necessary communication modules and begin searching for nearby devices.
The advantage of this method is its simplicity and speed. You don't need to enter passwords or manually pair each time. Devices that have previously exchanged data will be recognized automatically. This saves time and eliminates unnecessary configuration.
Why is Xiaomi Share better than Bluetooth?
Xiaomi Share utilizes the Wi-Fi channel bandwidth, resulting in speeds of up to 20-30 MB/s, while Bluetooth is limited to 1-2 MB/s. Furthermore, there is no significant image compression.
It's worth noting that working with devices from other brands (such as Samsung or Huawei) may require installing additional software or using the standard WiFi Direct protocol if it's supported at the system level. However, within the ecosystem Xiaomi This method is the undisputed leader in terms of convenience.
Connecting to a printer and TV via WiFi Direct
One of the most popular use cases WiFi Direct on Redmi 9 Printing documents or photos is a common practice. Many modern printers support this technology. To connect, go to your WiFi settings, find your printer's name in the list of available networks (it often contains the word Direct), and connect to it.
When connecting to a TV, the process may differ. If your TV supports Miracast or WiDi, you can wirelessly mirror your smartphone's screen. To do this, go to the notification shade. Redmi 9 You need to find the "Broadcast" or "Cast" button.
The table below shows common types of devices and how to connect them to a smartphone:
| Device type | Connection method | Required software | Transfer speed |
|---|---|---|---|
| HP/Canon printer | WiFi Direct | Print plugin | High |
| Samsung TV | Smart View / Cast | Built into Android | Very high |
| Another smartphone | Xiaomi Share | MIUI system | Maximum |
| GoPro camera | Quik app | Quik app | Average |
After establishing a connection with a printer or TV, the smartphone may temporarily lose internet access as the WiFi module switches to a direct connection with the peripherals. This is normal system behavior.
Troubleshooting connection errors
Despite the reliability of the technology, users Redmi 9 may encounter errors. Often, the problem stems from one of the devices being in sleep or power-saving mode. The system may limit background processes, considering them unnecessary to conserve battery life.
Another common cause is a conflict between security protocol versions. If one device uses WPA2 and the other is configured for an older standard, the connection may fail. In this case, it's recommended to update the software on both devices.
⚠️ Note: If your phone doesn't detect your devices, try restarting both devices. Sometimes a temporary network driver glitch can prevent proper airtime scanning.
Also, check if Airplane mode or restrictions for specific apps are enabled on your phone. MIUI's security settings include a section where you can allow apps to scan for devices on the local network. Without this permission, scanning may be blocked.
Impact of energy saving on module operation
shell MIUI is known for its aggressive energy saving policy. It can forcibly shut down WiFi Direct, if it believes the data transfer is complete or the app hasn't been used in a while. This can interrupt a large file transfer mid-process.
To avoid this, you need to add the app you're using (such as a file manager or gallery) to the exceptions list. Go to battery settings, find the app in question, and select "Unlimited" mode. This will ensure stable operation of the communication module.
Additionally, your phone may heat up during prolonged data transfers. This is a physical characteristic of the Wi-Fi chip operating at high frequencies. Avoid covering your smartphone during data transfers and avoid running heavy games while copying files.
WiFi Direct connection security
The issue of security when using direct connections is always relevant. Protocol WiFi Direct It uses WPA2 encryption, making it difficult for attackers to intercept data. However, unlike a home network, there's no router password that you rarely change.
When connecting for the first time, the devices exchange encryption keys. On the screen Redmi 9 You may be prompted to confirm pairing by entering a PIN code. Always check that the code on your phone's screen matches the code on the receiving device.
It's not recommended to enable discoverable mode for all devices in public places, such as cafes or airports. During these times, your phone may become a target for spam attacks or unauthorized connection attempts. Activate this feature only when you're ready to share.
Is it possible to hack via WiFi Direct?
Theoretically, vulnerabilities exist, as in any software, but for the average user, the risk is minimal unless connection requests from unknown devices are approved.
FAQ: Frequently Asked Questions
Does WiFi Direct drain battery power faster than regular WiFi?
Yes, actively searching for devices and transferring data at high speeds requires more power than passively waiting in standby mode. However, the difference isn't significant for short connection sessions.
Is it possible to transfer files to iPhone via WiFi Direct from Redmi 9?
Directly via the standard protocol—no, as Apple uses its own technology (AirDrop). However, you can use cross-platform apps that run on top of WiFi Direct, such as Send Anywhere or Xender.
Why does the transfer speed drop when removing devices?
The WiFi Direct protocol operates in the 2.4 GHz and 5 GHz bands. As the distance increases, the signal weakens, and the speed is automatically reduced to maintain a stable connection. For maximum speed, keep devices within 3-5 meters.
Is internet access required for WiFi Direct to work on Xiaomi?
No, internet access is not required. The connection is established directly between devices. However, if you're streaming online video from your phone to your TV, the phone will need internet access to download the content.
How to disable WiFi Direct if it's frozen?
The easiest way is to turn Airplane mode on and off or simply reboot your smartphone. This will reset all network settings and forcefully stop any frozen communication module processes.