OTG Checker & File Explorer

KSB Developers

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About this app

Easily check your phone's USB OTG (On-The-Go) compatibility and manage your device storage efficiently with OTG Checker & File Explorer — a fast, reliable, and user-friendly utility app.

This all-in-one tool helps you test OTG support, explore files, remove empty folders, and find duplicate files to free up valuable space. Whether you want to connect a USB flash drive, verify OTG capability, or organize your storage — this app does it all with a clean and modern interface.

⚙️ Key Features:

🔌 USB OTG Checker
Quickly test if your Android device supports USB OTG connections. The app clearly displays OTG status so you can easily connect USB drives, keyboards, and other accessories.

📁 File Manager & Explorer
Manage your internal and external storage with ease. Copy, move, rename, or delete files, and browse through folders using a lightweight and intuitive file manager.

🗂️ Empty Folder Cleaner
Automatically detect and remove unused empty folders to keep your storage organized and clutter-free.

📄 Duplicate File Finder
Find and delete duplicate photos, videos, documents, and music files to free up extra space and optimize storage.

📱 Device Information
View detailed information such as device model, storage, RAM, Android version, and system details — all in one place.

🛡️ Required Permissions:

• All Files Access – This permission is required to access your device's storage and enable smooth file transfers between internal storage, SD cards, and USB drives. It allows the app to move, copy, and manage your files safely across different storage locations.

What’s new

Version: 2.6
- Bug Fixes
- Performance Improvements