How to use the direct connection of mobile phone WLAN
In today's fast-paced digital life, WLAN Direct (Wi-Fi Direct) technology provides users with a way to quickly connect devices without a router. Whether it is transferring files, sharing screens or online games, direct WLAN connection can greatly improve efficiency. This article will introduce in detail the functions, usage steps and frequently asked questions of mobile phone WLAN direct connection.
1. What is a direct connection for WLAN?
WLAN direct connection is a Wi-Fi protocol-based direct communication technology that allows two or more devices to establish high-speed connections without relying on traditional routers. Its advantages include:
| Features | illustrate |
|---|---|
| Transmission speed | More than 10 times faster than Bluetooth, with a theoretical speed of up to 250Mbps |
| Connection distance | Valid range is about 200 meters (accessible environment) |
| compatibility | Supports Android 4.0+/iOS 7+ systems |
| Typical Applications | File transfer, screen mirroring, printing, etc. |
2. Tutorial on using mobile phone WLAN
The following is a mainstream mobile phone brand as an example to illustrate the operation process:
| brand | Operation path |
|---|---|
| Huawei/Honor | Settings >More Connections >WLAN Direct Connection |
| Xiaomi/Red Mi | Settings > Connection and Sharing > Wi-Fi Direct Connect |
| OPPO | Settings >Other Wireless Connections >WLAN Direct Connections |
| vivo | Settings > Personal Hotspots > WLAN Direct Connection |
| Samsung | Settings > Connections > More Connection Settings > Wi-Fi Direct Connection |
Specific steps:
1. Turn on the WLAN direct connection function on both devices at the same time
2. Select the target device name in the search list
3. Click to confirm the connection request on the receiving end
4. After establishing a connection, you can start transmission (transmission speed example):
| File Type | size | Transmission time |
|---|---|---|
| High definition photos | 5MB | About 1 second |
| 3 minutes video | 200MB | About 15 seconds |
| Music Album | 1GB | About 1 minute |
3. Testing of popular application scenarios
According to recent user test data of technology forum:
| Scene | Success rate | Average time consumption |
|---|---|---|
| Mobile phone tablet | 92% | 8 seconds pairing |
| Connect the printer | 85% | 12 seconds recognition |
| Cross-brand transmission | 78% | Need for secondary verification |
4. Frequently Asked Questions
1.Can't search the device?
- Confirm that the equipment distance between the two parties is less than 10 meters
- Turn off mobile VPN and traffic limiting functions
2.What to do if the transmission is interrupted?
- Check whether the power of the equipment is >20%
- Avoid connecting to 5Ghz band WiFi simultaneously
3.iOS device compatibility
Apple devices need to implement similar functions through AirDrop, which is directly connected to Android WLAN.
5. Latest technical trends
The new standards released by the Wi-Fi Alliance in 2023 show that the next generation of WLAN direct connections will have:
- Multi-device networking capability (up to 8 units)
- Transmission rate increased to 500Mbps
- Automatically select the optimal frequency band (2.4Ghz/5Ghz)
Mastering WLAN direct connection technology can significantly improve the mobile office and entertainment experience. It is recommended that users update the system regularly for best compatibility. When transferring sensitive files, they still need to pay attention to enabling encryption to ensure data security.
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