How to choose the right keyboard for Xiaomi Redmi 4X: Types, Compatibility and TOP-5 decision-making

Choosing a keyboard for Xiaomi Redmi 4X โ€” This smartphone, launched in 2017, is still popular with users because of its reliability and availability, but its non-removable battery and specific peripheral connector make accessory choices more limited. In this article, we will discuss what types of keyboards are suitable for Redmi. 4X, what to pay attention to when buying, and present a rating of the best models taking into account the feedback of owners.

The main problem when choosing a keyboard for this device is the lack of a standard USB Type-C or microUSB ports for direct connection. Most keyboards require adapters or wireless connection, which makes it difficult. OTG-redmi 4X We analyzed the specifications of the smartphone, user reviews and compatibility tests to make a checklist of criteria for the perfect choice.

If you plan to use a keyboard for work, study or gaming, it is important to consider not only physical compatibility, but also ergonomics, autonomy time (for wireless models) and supported layout languages. FAQ Answer the most frequent questions, as well as tips for setting up a connection.

Keyboard types for Xiaomi Redmi 4X: The pros and cons of each option

There are three main types of keyboards on the market that can be connected to Redmi. 4X. Each of them has its own characteristics, advantages and limitations, and we'll go through them in detail so you can choose the best option for your tasks.

1. Wired keyboards with OTG-adapter

  • โœ… Pros: Minimal input delay, do not require charging, often cheaper than wireless counterparts.
  • โŒ Cons: Occupying a microUSB port, which blocks charging while in use; not all models support OTG on the Redmi 4X free-of-set.
  • ๐Ÿ”ง Features: Requires a microUSB adapter โ†’ USB-A (Some keyboards may not be recognized due to the limitations of the Android kernel.

2. Wireless keyboards over Bluetooth

  • โœ… Pros: no wires, the ability to connect to multiple devices, compatibility with most firmware.
  • โŒ Cons: require periodic charging / replacement of batteries, input delays (latency) with a weak signal are possible.
  • ๐Ÿ”ง Features: Redmi 4X Bluetooth 4.2 is enough for stable operation. HID-The Human Interface Device (HUMAN Interface Device).

Hybrid keyboards (wire) + Bluetooth)

  • โœ… Pros: versatility, the ability to use in both modes, often equipped with additional functions (backlighting, multimedia keys).
  • โŒ Cons: high price, more weight compared to wireless models.
  • ๐Ÿ”ง Features: Ideal for users who want a backup connection, for example, if the Bluetooth module is dead, you can switch to wired mode.
๐Ÿ“Š What type of keyboard do you prefer for a smartphone?
Wireless OTG
Wireless Bluetooth
Hybrid (wire) + Bluetooth)
I haven't decided yet.

Compatibility: What keyboards work with Redmi 4X no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-no-

Xiaomi Redmi 4X It has specific limitations that are important to consider when choosing a keyboard. OTG So, this means that even with an adapter, the keyboard might not be recognized:

1. Verification of support OTG

  • ๐Ÿ“ฑ Install the app USB OTG Checker from Google Play to check if your smartphone supports the feature.
  • โš™๏ธ On some custom firmware (for example, LineageOS) OTG It works more stable than on the stock MIUI.
  • โš ๏ธ Attention: If your Redmi is 4X unrecognisable OTG-Device, you may need to manually enable the function via the engineering menu (#3644633##).

2. Bluetooth keyboards: nuances of connection

  • ๐Ÿ”— Redmi 4X Supports up to 7 Bluetooth devices at a time, but the stability depends on the firmware version.
  • ๐Ÿ”‹ Low-power wireless keyboards (e.g. Bluetooth Low Energy) last longer without recharging.
  • โš ๏ธ Note: some cheap Bluetooth keyboards can freeze over long-term use.+.

3. Hybrid solutions: when they are justified

Hybrid keyboards (such as Microsoft Universal Foldable Keyboard) are suitable for those who frequently switch between devices. They support both Bluetooth and wired connectivity via a wireless connection. USB-C/microUSB. But for Redmi. 4X You will need an adapter because the original connector is microUSB.

How to turn it on OTG on the Redmi 4X, if it doesn't work?
1. Install the app OTG Assistant from Google Play. 2. Connect OTG-Adapter with keyboard. 3. in the application press Enable OTG (You may need root access. 4 Restart your smartphone. If it doesn't work, check the kernel settings in the engineering menu or update your firmware to the latest version. MIUI (desirablely global).

TOP-5 Keyboard for Xiaomi Redmi 4X: rating 2026 year-end

Based on the analysis of user reviews, compatibility tests and price/quality ratio, we have compiled a rating of the best keyboards for Redmi. 4X. The table below shows the key characteristics of each model, their pros and cons, as well as the approximate price for the beginning of 2026.

ModelType of connectionFeaturesPrice, โ‚ฝRating (out of 5)
Logitech K380BluetoothMulti-functional, soft keys, support Windows/macOS/Android, battery AAA2 900 โ€” 3 5004.8
Microsoft Universal FoldableBluetooth + OTGWaterproof, waterproof, compatible with MIUI, 300g4 200 โ€” 4 8004.6
Rii Mini X1Bluetooth + 2.4GCompact, touchpad, backlight, 380 mAh battery2 500 โ€” 3 0004.4
Perixx PERIBOARD-512Wired (OTG)Mechanical switches, suitable for gaming, requires OTG-adapter1 800 โ€” 2 2004.3
Arteck HB030BBluetoothUltra-thin, aluminum case, battery CR2032 (service period of up to 6 months)3 100 โ€” 3 6004.7

Important: For wired keyboards, be sure to buy OTG-adapter with support for microUSB โ†’ USB-A Check the compatibility with MIUI. Some cheap adapters may not provide enough power to power the keyboard.

Selection recommendations:

  • ๐Ÿ’ผ To work: Logitech K380 Arteck HB030B (convenience + autonomy).
  • ๐ŸŽฎ For games: Perixx PERIBOARD-512 (mechanical keys, low delay).
  • ๐Ÿ“ฑ For travel: Microsoft Universal Foldable or Rii Mini X1 (compactness).

How to connect the keyboard to Xiaomi Redmi 4X: step-by-step

The process of connecting the keyboard depends on the type of keyboard, and below are the general instructions for each option, and if something goes wrong, check the section with the typical problems and their solutions.

1. Connecting a wired keyboard through OTG

Connect. OTG-adapter to the microUSB connector of the smartphone

Connect the keyboard to the adapter through USB-A

Wait for the notification to appear "USB-plug-in"

If necessary, install the driver (usually not required)

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2. Connecting Bluetooth keyboard

  1. Turn on Bluetooth on the keyboard (usually the Power or Connect button).
  2. On the Redmi. 4X Go to Settings. โ†’ Bluetooth and activate device search.
  3. Select the keyboard from the list and confirm the pairing (entry may be required). PIN-code, such as 0000 or 1234).
  4. Wait for notification of successful connection.

3. Configuring layout and languages

After connecting the keyboard, check the layout:

  1. Open any text field (for example, in Notes or Messages).
  2. Click on the keyboard icon in the input bar and select Physical Keyboard.
  3. In the language settings add the necessary layouts (for example, Russian). + English).

๐Ÿ’ก

If the keyboard is not recognized, try restarting your smartphone or resetting your Bluetooth settings in Settings. โ†’ System system โ†’ Resetting settings โ†’ Resetting Bluetooth settings.

Typical problems and their solutions

Even with the right keyboard, Redmi users 4X You can face difficulties. Let's look at some of the most common mistakes and how to fix them.

1. the keyboard is not recognized by OTG

  • ๐Ÿ”Œ Check if your smartphone supports you. OTG (see section above).
  • ๐Ÿ”„ Try another one. OTG-Adapter (some cheap models donโ€™t provide enough power).
  • ๐Ÿ“ฑ Update the firmware to the latest version MIUI (In the old versions there were bugs with OTG).

2 Delays in input from Bluetooth keyboard

  • ๐Ÿ“ถ Make sure there are no interference sources nearby (other Bluetooth devices, Wi-Fi routers).
  • ๐Ÿ”‹ Replace batteries or charge the keyboard (low charge can cause lags).
  • ๐Ÿ”„ Reconnect the keyboard: remove it from the list of conjugated devices and add again.

3. some keys do not work (for example, Win, Fn)

This is a typical problem when using keyboards designed for Windows or macOS.

  • ๐Ÿ–ฅ๏ธ Install the External Keyboard Helper Pro app from Google Play to reassign keys.
  • ๐Ÿ“ Use text abbreviations or macros (for example, via Tasker).

๐Ÿ’ก

If the keyboard is unstable, try turning off Bluetooth power-saving mode in the battery settings (Settings) โ†’ Battery โ†’ Energy saving regime โ†’ Additionally).

Comparison of keyboards for different tasks: work, games, travel

The choice of keyboard depends on what you plan to use it for, and below is a comparison of the models in our rankings against specific scenarios.

1. Keyboards for work and study

Priorities: ergonomics, autonomy, support for multimedia keys.

  • ๐Ÿ† Best pick: Logitech K380 โ€” soft keys, long battery life, support for multiple devices.
  • ๐Ÿ’ฐ Budget option: Rii Mini X1 โ€” compact, with a touchpad, but less convenient for a long set.

2. Playing keyboards

Priorities: low latency, mechanical switches, additional keys.

  • ๐ŸŽฎ Best pick: Perixx PERIBOARD-512 โ€” mechanical keys, suitable for shooters and MMO.
  • โš ๏ธ Attention: For games on Redmi 4X It is better to use a wired keyboard, as Bluetooth can add latency up to 30-50 ms.

3. Travel keyboards

Priorities: compactness, lightness, autonomy.

  • โœˆ๏ธ Best pick: Microsoft Universal Foldable - folds up to the size of a smartphone, waterproof.
  • ๐Ÿ”‹ Alternative: Arteck HB030B โ€” thin, metal body, long work from a single battery.

Where to buy a keyboard for Xiaomi Redmi 4X: Checked shops and selection tips

When buying a keyboard for Redmi 4X It's important to choose trusted vendors to avoid counterfeits or incompatible models. Below is a list of trusted sites and tips on how to make the right choice.

1. Official and inspected shops

  • ๐Ÿ›’ Wildberries โ€“ a wide range, check before payment, frequent discounts.
  • ๐Ÿ›’ Ozon โ€“ quick delivery, reviews with photos, customer protection program.
  • ๐Ÿ›’ AliExpress โ€“ cheaper but longer shipping; choose sellers rated 98%+ and reviews in Russian.
  • ๐Ÿ›’ Xiaomi Store (mi.com) โ€“ original accessories, but limited keyboard selection.

2.What to look out for when buying

  • ๐Ÿ” Check compatibility with Android in the description (Android 6.0 should be specified).+ or HID-profile).
  • ๐Ÿ“ฆ It should be complete. OTG-adapter (if the keyboard is wired) or pairing instruction.
  • โญ Check the reviews for input delays and compatibility with MIUI.

3. How to avoid counterfeiting

  • ๐Ÿท๏ธ Compare the price with the official website of the brand. Too low price (30-50% cheaper) - a sign of counterfeiting.
  • ๐Ÿ“„ Check for a warranty card and certificates (for example, CE, RoHS).
  • ๐Ÿ“ฆ Original packaging should be of high quality, with holograms and clear printing.

๐Ÿ’ก

When buying on AliExpress, always ask the seller for a video of the Redmi keyboard test. 4X. This will help to avoid compatibility issues.

FAQ: Answers to Frequent Keyboard Questions for Xiaomi Redmi 4X

Can I connect a mechanical keyboard to Redmi? 4X?
Yes, but with reservations: Wired mechanical keyboards require OTG-Adapter and sufficient power (some models may not be recognized due to high power consumption) Wireless mechanical keyboards (e.g. Keychron) K3) Bluetooth is connected, but their weight and dimensions make them less mobile friendly. MIUI.
Why does the keyboard only work after the smartphone is restarted?
This problem is related to the energy saving regime. MIUI, switch-off OTG or Bluetooth to save charge. Solutions: Add the keyboard app to the list of Secure applications (Settings) โ†’ Battery โ†’ Secure applications. Turn off Bluetooth Power Saving Mode (Settings) โ†’ Bluetooth โ†’ Update the firmware to the latest version (older versions) MIUI 8/9 were bugs with OTG).
Which keyboard is better for typing in Russian?
For a comfortable set in Russian, we recommend: Logitech K380 โ€” supports switching layouts, there is a Russian marking of keys. HB030B โ€” It is thin and lightweight, but requires manual change of layout in the Android settings. For mechanical keyboards, look for models with Russian layout (for example, Razer BlackWidow Lite, but it requires a new version of the layout). OTG).
Can I use the tablet keyboard for Redmi? 4X?
Yes, if the keyboard is Bluetooth connected or has USB-A The sleeve (then you will need to) OTG-Adapters: For example, iPad or Samsung Tab keyboards are usually compatible. However: Some keys (such as Command on Apple keyboards) may not work properly. The size of the tablet keyboard may be inconvenient for use with a smartphone.
How to reassign keys on the connected keyboard?
To reassign keys, install one of these applications: External Keyboard Helper Pro allows you to assign actions to any key (requires root for some functions). Button Mapper is a simple interface, works without root, but with restrictions. Example: you can assign the Caps Lock key to start Google Assistant or open an application.