Best Phone OTG Adapters for Galaxy S9 of 2025

Harvey Wall Avatar
Harvey Wall
Last Updated: 1 Feb 2025

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If you're looking to expand the capabilities of your Galaxy S9, you might want to consider a phone OTG adapter. These adapters allow you to connect a wide range of USB devices to your phone, including flash drives, keyboards, and even game controllers. With an OTG adapter, you can easily transfer files between your phone and other devices, or use your phone as a makeshift computer. Plus, many of these adapters are compact and easy to carry, making them a great on-the-go accessory for anyone who wants to get more out of their phone.

At a Glance: Our Top Picks

TECHGEAR Type C USB OTG Adapter Cable Cover #TOP 1
TECHGEAR Type C USB OTG Adapter Cable
ftb score rating icon 9.8
UNIDOPRO USB C to USB 3.0 Adapter Cover #TOP 2
UNIDOPRO USB C to USB 3.0 Adapter
ftb score rating icon 9.7
TECHGEAR USB C OTG Adapter Cable for Samsung Cover #TOP 3
TECHGEAR USB C OTG Adapter Cable for Samsung
ftb score rating icon 9.5

Top 7 Phone OTG Adapters for Galaxy S9

TECHGEAR Type C USB OTG Adapter Cable

OTG TypeC USB BLK Sam -2pk
Black
2 Pack
TECHGEAR Type C USB OTG Adapter Cable Cover
TECHGEAR Type C USB 3.1 OTG Adapter Cable [2 Pack] Compatible with Samsung Note 20 Ultra S21 S20 FE S22 S10 Lite S9 S8, Note 10 20, A21s A20e A22 A32 A12 A13 A53 A52 USB C to USB Female Host Adapter

The TECHGEAR USB OTG Adapter allows you to effortlessly connect USB devices to your Type-C smartphones and tablets. With its USB 3.1 capability, you can enjoy super fast data transfer speeds of up to 5Gbps, making the transfer of files, HD movies, and music swift and efficient. The adapter is designed to fit side by side on laptops, enabling simultaneous charging and data transfer. Additionally, its OTG function allows you to watch movies or edit files directly from a USB flash drive, freeing you from memory limitations.

What We Like
Super fast data transfer speeds
Simultaneous charging and data transfer
Compatible with various USB devices
Lightweight and portable
#TOP 2

UNIDOPRO USB C to USB 3.0 Adapter

TPC1cmOTG
22CM
UNIDOPRO USB C to USB 3.0 Adapter Cover
USB C to USB 3.0 Adapter, 10mm Tip Type C OTG Cable Compatible with iPhone 16 Pro Max 15 Plus,MacBook Pro|Galaxy Tab S9 A9+ S24 S23 S22 Ultra & Rugged Phone Tablet or Device with Deep Recessed Port

The UNIDOPRO USB OTG Cable is designed for users with devices featuring deep recessed Type-C connectors. With its 10mm extended tip, it is perfect for waterproof, dustproof, and shockproof phones and tablets. You can enjoy super-speed data transfer rates of up to 5Gbps, allowing you to quickly move HD videos and songs. This adapter is universally compatible with a wide range of devices, including the latest iPhone and Samsung Galaxy models, ensuring you can connect with ease. Just remember to check if your device supports USB On-The-Go functionality before purchasing.

What We Like
Extended tip for deep connectors
Fast data transfer speeds
Wide device compatibility
Ideal for rugged devices
Supports USB On-The-Go
#TOP 3

TECHGEAR USB C OTG Adapter Cable for Samsung

White
TECHGEAR USB C OTG Adapter Cable for Samsung Cover
TECHGEAR Type C USB 3.1 OTG Adapter Cable Compatible with Samsung Note 20 Ultra S21 S20 FE S22 S10 Lite S9 S8, Note 20 10, A21s, A20e, A32, A12, A13 A51 A53 A52 USB C to USB Female Host Adapter

The TECHGEAR USB C Adapter offers a reliable solution for connecting your Samsung devices to various USB external devices. With its USB 3.1 capabilities, you can enjoy super-fast data transfer speeds of up to 10Gbps, making file transfers quick and efficient. The adapter features robust, fully moulded connectors that enhance durability, ensuring long-lasting performance. Its reversible Type C connector allows you to plug it in either way, providing added convenience when connecting your devices.

What We Like
Super-fast data transfer speeds
Durable and robust connectors
Reversible Type C design
Wide compatibility with devices

Subtel USB C OTG Adapter for Smartphones

‎922699
Black
Subtel USB C OTG Adapter for Smartphones Cover
subtel Phone OTG Cable Adapter USB C Type C to USB A OTG 2.0 Compatible for On The Go USB Host Cable 15cm Black smartphone

The Subtel OTG Adapter allows you to connect USB A devices, such as keyboards and game controllers, to your USB C-enabled smartphone or tablet. This feature is perfect for enhancing your mobile gaming and typing experience. You can also easily transfer files from USB sticks and external drives, making it convenient for storing and playing media while on the go. Additionally, you can print directly from your phone, eliminating the need for a computer, and if your device has a malfunctioning screen, you can connect a mouse or keyboard to retrieve important files.

What We Like
Versatile connectivity options
Easy file transfers
Direct printing capability
Access to malfunctioning devices

USB C Male to USB A Female Adapter

CC0253
Space Gray
1 PACK
USB C Male to USB A Female Adapter Cover
USB C Male to USB A Femle Adapter 0.15m,CableCreation USB3.1 USB A Female to USB C Adapter OTG 5Gbps Data for MacBook Pro Air XPS 13 15 S21 S20 S10 etc

The CableCreation USB C Adapter allows you to connect standard USB A devices like cameras and flash drives to USB Type-C devices such as laptops and smartphones. With a data transfer speed of up to 5Gbps, you can sync your photos, videos, and music in mere seconds. Its durable cotton braided jacket and aluminium alloy shell ensure longevity, making it a reliable choice for daily use. This adapter is compatible with a wide range of devices, providing you with versatile connectivity options.

What We Like
High-speed data transfer
Durable design
Wide compatibility
Tangle-free cable
#TOP 6

OTG Cable 3.0 USB to USB C Adapter

zoyuzan OTG Cable 3.0
Silver
OTG Cable 3.0 USB to USB C Adapter Cover
OTG Cable 3.0 USB to USB C Lightning Adapter for Apple iPhone 15 Pro Max Plus 11 12 13 14 for iPad 10、Air 4/5、Mini 6、Pro12.9 Compatible for Samsung Galaxy Type C Thunderbolt Port Camera Cord CD

The zoyuzan OTG Adapter features a convenient 2 in 1 design, offering both a lightning port and a Type C port. This versatility allows you to connect various devices effortlessly. Its fast transfer capability enables you to transfer videos and photos at speeds of 20MB to 30MB per second, saving you valuable time. Made with a high-quality alloy shell and nylon wire, this adapter is durable and reliable, making it perfect for on-the-go use. Its compact size ensures it is easy to carry wherever you need it.

What We Like
Dual interface for compatibility
Fast data transfer speeds
High-quality materials
Compact and portable design
#TOP 7

USB A to Lightning USB C Adapter Cable

zoyuzan-2in1
USB A to Lightning USB C Adapter Cable Cover
USB A to Lightning UBS C Adapter Camera Mouse OTG 3.0 Cable (2in1) Compatible for Samsung Galaxy for Apple iPhone 15 Pro Max Plus for iPad 10、Air 4/5、Mini6、12.9 Thunderbolt Type C Port Cord CD

The Zoyuzan USB Adapter offers a versatile 2-in-1 design with both USB C and Lightning ports, making it easy for you to connect various devices. You can enjoy real-time sharing and data management, allowing for quick file transfers and media viewing. Its plug-and-play feature means you can effortlessly import and export photos, videos, and documents without the need for additional apps. Additionally, this adapter is compatible with a wide range of Apple and Samsung products, enhancing your connectivity options.

What We Like
Multi-port compatibility
Easy plug-and-play usage
Real-time data sharing
High-speed transmission
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Does Samsung S9 support OTG?

The adapter that ships with Samsung's Galaxy S9 is a fully fledged USB OTG connector, and can be used for a bunch of fun things you didn't realize you could do. Here is a handful of the coolest features that an OTG adapter makes possible.

2. How do I enable OTG on my Samsung?

Usually, when you try to connect an OTG, you get an alert “Enable OTG”. This is when you need to turn the OTG option ON. To do this, navigate through Settings > Connected devices > OTG. Here, click on the On/Off toggle to activate it.

3. What is Samsung OTG adapter?

An OTG or On The Go adapter (sometimes called an OTG cable, or OTG connector) allows you to connect a full sized USB flash drive or USB A cable to your phone or tablet through the Micro USB or USB-C charging port.

Editor's Notes

During our phone otg adapter for galaxy s9 research, we found 38 phone otg adapter for galaxy s9 products and shortlisted 7 quality products. We collected and analyzed 28,776 customer reviews through our big data system to write the phone otg adapters for galaxy s9 list. We found that most customers choose phone otg adapters for galaxy s9 with an average price of £5.48.

The phone otg adapters for galaxy s9 are available for purchase. We have researched hundreds of brands and picked the top brands of phone otg adapters for galaxy s9, including TECHGEAR, UNIDOPRO, subtel, CableCreation, zoyuzan. The seller of top 1 product has received honest feedback from 4,895 consumers with an average rating of 4.7.

Written by
Harvey Wall Avatar

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.