Data transfer on Xiaomi smartphones is not just a feature, but a whole range of features, from mobile Internet to file sharing between devices, many users face problems when first turning on these options, especially when it comes to new models of Redmi or the newest models of the company. POCO shelled MIUI 14/15. In this article, we will analyze all the ways to activate data transfer โ from basic settings to hidden functions that are not written in the official instructions.
The most common questions arise with three scenarios: mobile Internet (3G/4G/5G) not connected, the access point does not distribute Wi-Fi to other devices or transfer files through Bluetooth/Wi-Fi Direct works with errors. We analyzed hundreds of user reviews and tests on Xiaomi models. 13T, Redmi Note 12 and POCO X5, It's important that some parameters depend on the version. MIUI and the operator of the communication, we will also tell you in detail.
1. Mobile Internet inclusion (3G/4G/5G) Xiaomi
The basic setup of mobile data on Xiaomi seems simple, but users often miss key points. 5G (for example, Xiaomi 12 Pro or Redmi K50) By default, the mode can be activated 4G/3G/2G (auto), which limits speed:
- Open the Settings. โ SIM-maps and mobile networks.
- Choose yours. SIM-card (if two of them).
- Activate the mobile data switch.
- Tap the network type and select 5G (recommended 4G (if 5G unstable in your area).
In the models with MIUI 14+ The Smart Network Switch option is available, which automatically selects between the two. 4G and 5G It's worth turning off if you notice frequent breaks in the connection.
If the internet is not working even after you have turned on:
- ๐ถ Check balance โ some operators block access with zero score.
- ๐ Reboot your smartphone โ it resets the temporary errors of the communication module.
- ๐ฑ Update the settings APN (To do this, go to Settings. โ SIM-map โ [Yours. SIM] โ Access points (APN) and press Reset to default values.
โ ๏ธ Attention: Xiaomi with two SIM-You can use mobile data on one of these cards, and to change priority, go to Settings. โ SIM-map โ Default data.
2. set up an access point (Wi-Fi Hotspot) on Xiaomi
Sharing the Internet from Xiaomi to other devices is one of the most popular features, but it often fails. POCO F4 users complain that the access point shuts down after 5 minutes:
First, activate the modem modem:
- Go to Settings. โ Access Point and modem.
- Enable the Portable Access Point.
- Set up the network name (SSID) Password (minimum 8 characters!).
- Select frequency range: 2.4 GHz for compatibility with all devices or 5 GHz for higher speed (but shorter range).
If the access point does not distribute the Internet:
- ๐ Turn off power saving for the "Access Point" function in Settings โ Battery โ Choice of applications.
- ๐ด Check the background limitations: in Settings โ Annexes โ Application management โ Three points (โฎ) โ Special access โ Optimize your battery and find โAccess Pointโ and select โNo Limits.
- ๐ Reset network settings in Settings โ SIM-map โ Resetting network settings (data) SIM It will remain, but the parameters will be reset. APN and Wi-Fi).
Make sure that mobile data is included|
Check the traffic limit with the operator|
Turn it off. VPN (He can block the distribution)|
Set a password for the access point (without a password, you will not be able to connect)
-->
On Xiaomi MIUI 13+ function USB-modem and Bluetooth modem to turn them on:
- Connect your phone to your PC/laptop USB.
- In the settings of the access point, activate USB-modem.
- On PC in Network Connections should appear a new Remote device NDIS.
โ ๏ธ Note: Some operators (e.g. Tele2) block the distribution of Internet on tariffs without this option!
3. File transfer between Xiaomi devices
Xiaomi offers several ways to share files: via Mi Share (analogue of AirDrop), Bluetooth, Wi-Fi Direct or cable USB. The fastest and most reliable is the Mi Share, but it only works between devices with a wide range of devices. MIUI or POCO Launcher.
To transfer files via Mi Share:
- Open Files or Gallery and select the files you want.
- Tap to share. โ Mi Share.
- On the second Xiaomi device, open Mi Share in the notification curtain.
- Confirm file acceptance.
The transmission speed depends on the model:
| Xiaomi model | Max. Mi Share speed (Mbps) | Support for Wi-Fi Direct |
|---|---|---|
| Xiaomi 13/13 Pro | ~500 | Yes (5GHz) |
| Redmi Note 12 Pro+ | ~300 | Yes (2.4/5 GHz) |
| POCO X5 | ~200 | Yes (2.4GHz only) |
| Redmi 10A | ~50 | No. |
If Mi Share does not find the device:
- ๐ Reboot both smartphones โ it resets Wi-Fi and Bluetooth modules.
- ๐ถ Turn on Wi-Fi and Bluetooth on both devices (even if they are already on, turn off and turn on again).
- ๐ Turn it off. VPN โ It can block the local connection.
- ๐ฑ Update. MIUI โ In older versions there are bugs with device detection.
What to do if Mi Share is stuck on "Connection..."
For transferring large files (video, archives) it is better to use a cable USB:
- Connect Xiaomi to your PC via USB.
- In the phone notification curtain, select File Transfer (MTP).
- On a PC, open the conductor - the phone will appear as a removable disk.
๐ก
If the transfer USB If it doesn't work, try another cable -- often a problem with a damaged cord -- and check if the phone is running Charging Only in the settings. USB.
4. Solving data transmission problems
Even after setting up correctly, Xiaomi users are faced with common errors, and here are the most common ways to fix them:
4.1 Mobile Internet is working, but the speed is very low
Causes and solutions:
- ๐ก Weak signal: check the number of sticks in the status bar. 1-2 โ Try moving closer to the window or use a repeater.
- ๐ง Wrong settings APN: compare the parameters with the official settings of your operator (they can be found on the MTS / Beeline / MegaFon website).
- ๐ฑ Background apps: Some programs (such as TikTok or YouTube) consume traffic in the background. โ Data traffic โ Using traffic.
4.2 Access point is connected, but the Internet is not working
This is most often related to:
- ๐ Operator Blocking: Call Support and Check if Distribution is Allowed at Your Tariff.
- ๐ Conflict. IP: In the access point settings, change the Range IP s 192.168.43.x on 192.168.1.x.
- ๐ด PC Antivirus: temporarily disable it โ sometimes it blocks new connections.
4.3 Mi Share does not transfer files or breaks off
Mi Share problems are usually solved as follows:
- ๐ Network reset: Settings โ Wi-Fi โ Three points (โฎ) โ Additionally. โ Resetting Wi-Fi, Mobile Network and Bluetooth.
- ๐ฑ Cache Clearing: Go to Settings โ Annexes โ Application management โ Mi Share โ Warehouse โ Clear the cache.
- ๐ Disabling Dual Apps: If you have an app cloned (like a second WhatsApp), it could interfere with Mi Share.
๐ก
If nothing helps, try alternative ways of transferring: send files via Telegram (no size restrictions) or use the Mi Cloud (15GB for free).
5. Hidden data transfer features on Xiaomi
V MIUI There are a few little-known features that make it easier to share data:
Rapid transmission through QR-code
Xiaomi. 12T You can also share Wi-Fi or files through QR-code:
- Open the Settings. โ Wi-Fi.
- Put it on your net. โ Share your password.
- Show me. QR-code to the second device โ it will automatically connect.
5.2. Nearby Share (for Android devices)
If you MIUI 14+, You can use the Nearby Share from Google:
- Turn on the settings. โ Connected devices โ Nearby Share.
- Select files โ Share. โ Nearby Share.
- On the second device, accept the file.
It works even with Samsung or Google Pixel!
5.3 Automatic transfer of photos to PC
The Mi Drop feature (in some regions) allows you to sync photos from your PC:
- Install the Mi PC Suite on your computer.
- Connect Xiaomi to the USB and select Transfer of the photo (PTP).
- Enable Autoimport in the Mi settings PC Suite.
๐ก
Nana POCO F5 Xiaomi 13 has a "Fast Transfer" feature in the power menu (press the power button) and automatically selects the best way to share (Wi-Fi Direct or Bluetooth) depending on the file size.
6. Optimizing data transmission to save battery
Active data transfer (especially access point or file download) quickly drains the battery to reduce consumption:
- ๐ Limit background activity: in Settings โ Battery โ Battery Optimization Add Apps That Shouldn't Work in the Background.
- ๐ถ Use it. 4G instead 5G: If the speed is not critical, switch to 4G customized SIM-This card will save up to 20% of the charge.
- โก Enable "Adaptive Charging" (on models with MIUI 13+): Settings โ Battery โ Adaptive charging. This will slow battery wear with frequent connections.
- ๐ Turn off the access point when it is not needed โ even without connected devices, it consumes energy.
Xiaomi supports Quick Charge 4+ (Like Redmi. K60) You can enable ultrafast charging during data transfer:
- Connect the original RAM.
- In the notification curtain, tap on the Charging โ Details. โ Activate ultrafast charging.
โ ๏ธ Attention: When data is transmitted actively (especially through the hotspot), the phone may become hotter. 45ยฐC, MIUI It automatically reduces performance, which causes Internet speed to drop, so let the device cool down. 10-15 minute.
7. Comparison of data transfer methods on Xiaomi
The choice of method depends on your tasks. Below is a comparative table on speed, convenience and limitations:
| Method | Speed. | Limitations | Better for you. |
|---|---|---|---|
| Mi Share (Wi-Fi Direct) | 200โ500 Mbps | Only between Xiaomi/POCO | Quick transfer of photo/video |
| Bluetooth | 1โ10 Mbps | Low speed, size limit | Transfers of contacts, small files |
| USB-cable | 40โ480 Mbps | We need cable and PC. | Copying large archives |
| Access point | Depends on the tariff. | Traffic consumption, operator blocking | Internet distribution on a laptop |
| Nearby Share | 50โ200 Mbps | Requires Android 6+ | Sharing files with other Android devices |
For maximum speed, use Mi Share or USB 3.0 (on supported models) If compatibility is important, choose Nearby Share or Cloud Services (Mi Cloud, Google Drive).