OTG Xiaomi smartphones: a complete guide to use in 2026

Have you ever tried to connect a simple flash drive or mouse to Xiaomi, but didn’t know how to do it? or seen the characteristics of a smartphone mysterious acronym OTG, But they didn't understand why they needed it, and this technology opens up to Redmi owners, POCO And Mi is a lot of things, from fast file transfer to peripheral connectivity. OTG In the context of Xiaomi smartphones, how to check its support in your model and what non-obvious use cases it offers.

Note: Despite the apparent simplicity, the OTG Xiaomi has nuances, for example, not all models support this feature out of the box, and some require activation in hidden settings, and there are power and compatibility restrictions that the manufacturer does not mention. We have collected all the relevant information for 2026 – from basic principles to advanced life hacks.

What is it? OTG Why do you need it in your smartphone?

OTG (On-The-Go is the standard for connectivity. USB-In other words, your Xiaomi can "see" flash drives, hard drives, keyboards or gamepads connected to it just like a computer does. The technology appeared in 2001, but it became widely used in mobile devices only after the 2010s.

Main advantages OTG for Xiaomi owners:

• 📁 Instant file sharing – copy photos, videos, or documents from a flash drive to your phone (and back) without a computer.
• 🎮 Gaming Features – Connect PlayStation or Xbox gamepads for comfortable gaming.
• ⌨️ Easy text input – use a full-size keyboard or mouse to work with documents.
• 🔊 Audio Hubs – Connect external sound cards or headphones with USB-plug-in.
• 📱 Charging other devices – in emergency cases, you can charge another smartphone from your Xiaomi (if you have a sufficient charge level).

It is important to understand that OTG — It's not just a flash drive adapter, it's a protocol that defines how devices communicate and communicate. OTG You can even connect to Xiaomi. 3D-a printer or microscope, if they have compatible software.

What Xiaomi smartphones support OTG: full-length

The vast majority of modern Xiaomi smartphones (released after 2016) support OTG But there are nuances:

• 📱 Flagship models (Xiaomi) 13/14, Mix Fold, Black Shark - Supported by OTG fully-current (up to) 900 mA), which allows you to connect even hard drives with external power.
• 📱 Mid-segment (Redmi Note) 12/13, POCO X5/F5) — commonly limited 500 So, they may not recognize energy-intensive devices.
• 📱 Budget models (Redmi) A2, POCO C55) — Often require manual activation OTG in settings or have reduced functionality.
• ⚠️ Older models (before 2016, for example, Redmi) 3S Mi 4 - may not be supported OTG Or only work with certain adapters.

To find out if your Xiaomi supports this feature, check out:

1. Official characteristics on the site mi.com (section "Interfaces").
2. Specifications on sites like GSMArena (look for the line "USB OTG").
3. Phone Settings Menu: Settings → The phone. → Full specifications → Interfaces.

⚠️ Note: Some Xiaomi models (e.g. Redmi) 9T or POCO M4 Pro) have hardware support OTG, But it's turned off in the firmware, and then you can use a custom recavery, TWRP) or manual activation via adb.

How to connect a flash drive or hard drive to Xiaomi through OTG

The process of connecting an external drive to Xiaomi through OTG It's a few steps. You're gonna need it:

• 🔌 OTG-adapter USB-C or micro-USB on USB-A, depending on the phone connector).
• 💾 Flash drive or hard drive (preferably formatted in a FAT32 exFAT).
• 🔋 Charging – connecting energy-intensive devices (for example, HDD) It can discharge the phone quickly.

Step-by-step:

1. Connect. OTG-Smartphone adapter. There's a notification on the screen "USB-plug-in".
2. Connect a flash drive or hard drive to an adapter if the device requires a lot of power (e.g., a hard drive or a drive, HDD 2.5"), use OTG-feed-in.
3. The phone will have a "Open folder" notification, tap it, and if the notification doesn't show up, check the connection or restart the phone.
4. Files on the external drive will be displayed in the application "Files" (Mi File Manager) in the section "USB-accumulator".

Is the flash drive formatted in FAT32/exFAT?

Is the original used? OTG-adapter?

Is the phone still charged (minimum 20%)?

Is the device directly connected (without hubs)?-->

If the flash drive is not recognized:

• 🔄 Try another adapter (cheap Chinese models are often incompatible with Xiaomi).
• 🖥️ Format the drive on the computer in FAT32 (Maximum file size: 4 GB) or exFAT (for files) >4GB).
• 🔋 Connect your phone to charge – some models block OTG low-battery.
• 📱 Update the firmware: in older versions MIUI There were device recognition bugs.

💡

If you need to connect SSD or HDD More than 1 TB of volume, use OTG-externally powered hub (e.g. Baseus) 6-in-1). This will solve the problem of energy shortage, which often occurs when connecting energy-intensive devices.

Connecting the keyboard, mouse and gamepad: nuances

OTG Xiaomi allows you to connect not only drives, but also peripherals:

• ⌨️ Documents – Keyboard and mouse convert phone into mini PC.
• 🎮 Games – PlayStation or Xbox gamepads are supported by most games from Google Play.
• 🎬 Video editing – external keyboard speeds up work in CapCut or KineMaster.

How to connect:

1. For wired devices: use OTG-Adapter and connect the device directly.
2. For wireless (e.g. Xbox Wireless Controller): connect the Bluetooth receiver via OTG, Then pair the devices.

Compatibility with Xiaomi devices through OTG:

⚠️ Note: When connecting Bluetooth keyboards or mice through OTG-Adapter (e.g. battery saving) some Xiaomi models may conflict with drivers, in which case use the original Bluetooth or an adapter from a proven manufacturer (e.g. Anker).

Problems with OTG Xiaomi: Reasons and Solutions

Even if your Xiaomi supports you OTG, You may encounter problems. Here are the most common ones and how to solve them:

1. The device is unrecognizable.

• 🔌 Check the adapter – cheap models are often incompatible with the adapter. MIUI.
• 📱 Restart your phone – sometimes resetting helps USB-compound.
• 🖥️ Format the flash drive into FAT32 or exFAT on PC.

2. The drive is connected, but the files are not displayed

• 📁 Check the file system – Xiaomi does not support NTFS rootless.
• 🔍 Use a file manager from a third-party developer (e.g. Solid Explorer).
• 🔧 Enable the display of hidden files in the Mi File Manager settings.

3.The phone discharges quickly when connected OTG

• 🔋 Connect your phone to charge while in use OTG.
• ⚡ Use it. OTG-powerhouse (HDD, SSD).
• 📴 Close background applications to reduce battery load.

4.The gamepad or keyboard is not working

• 🎮 Check the compatibility of the device on the manufacturer’s website.
• 📱 Update the firmware - in new versions MIUI Added support for additional devices.
• 🔧 Install specialized software (for example, Octopus for gamepads).

Hidden opportunities OTG Xiaomi: life hacks 2026

OTG Xiaomi has more to offer in smartphones than it first appears. Here are some non-obvious ways to use it:

1. Connection MIDI-music-keyboard

If you are a musician, you can connect. MIDI-keyboard (e.g. Akai) MPK Mini through OTG And use it with applications like FL Studio Mobile or GarageBand:

1. Connect the keyboard through OTG-adapter.
2. In the application, select an external MIDI-entrance.
3. Set the sensitivity of the keys in the program parameters.

2. Using a smartphone as a webcam

With help. OTG DroidCam applications can turn Xiaomi into a webcam for PC:

1. Install DroidCam on your phone and computer.
2. Connect your phone to your PC through OTG-cable PTP).
3. Run the video transfer in the app.

3. Connection 3D-printer CNC-machine-lathe

Some enthusiasts use Xiaomi to manage their business 3D-Printers (e.g. Creality Ender 3) OTG. For that:

• Install Pronterface or OctoPrint on your phone.
• Connect the printer through OTG-adapter.
• Configure the connection parameters (transfer speed, port).

4. Backup to external SSD

If you have a flagship Xiaomi (for example, Xiaomi 14 Ultra), you can create a full backup system on the external side. SSD:

1. Connect. SSD through OTG-powerhouse.
2. Use it. TWRP Or OrangeFox to create a system image.
3. Save the backup to the external drive.

💡

Xiaomi flagship models (e.g. Xiaomi 13 Pro or Mix Fold 2) support USB 3.2 Gen 1 through OTG, which allows you to connect external drives at speeds up to 5 Gbps – this is 10 times faster than the standard USB 2.0!

Safety in use OTG: what not to do

despite the convenience, OTG It can be a problem if you use it carelessly:

1. Do not connect unfamiliar devices

Flash drives or hard drives from strangers may contain viruses or malware that will automatically install on your Xiaomi.

• 🛡️ Check your devices with an antivirus (such as Dr.Web or Kaspersky).
• 🔍 Turn off auto-start in the settings MIUI (Settings → Annexes → Auto-start).

2. Avoid cheap ones. OTG-adapter

Low-quality adapters can:

• 🔥 Overheating and damaging the port USB-C.
• ⚡ Cause short circuit when connecting energy-intensive devices.
• 📵 Block data transmission due to lack of correct resistors.

We recommend adapters from Anker, Baseus or UGREEN.

3. Don't use it. OTG low-charge

Connecting devices through OTG If the charge is below 20%, it can cause a battery load to increase:

• 📉 Disconnecting your phone (especially on budget models).
• 🔋 Damage to the battery due to high discharge current.

⚠️ Note: Some Xiaomi models (e.g. Redmi Note 10 Pro) POCO X3 Pro) have a hardware current limit OTG-port - no more than 500 mA. Connecting devices requiring more current (for example, external HDD), This may cause the controller to overheat. USB and the port's downfall.

FAQ: Frequent questions about OTG Xiaomi