USB Disk

USB Disk is a fast, secure file manager and document viewer that turns your phone or tablet into a portable USB drive. Easily transfer, organize, and view documents, photos, videos, and audio offline for efficient on-the-go work. Core features include quick file transfer via cable, Wi Fi, or cloud services, a built in viewer for PDF and Office files, and private storage with optional passcode protection. Ideal for productivity and utilities use cases, it streamlines file access, sharing, and backup across devices. Keywords file manager, USB drive, document viewer, cloud storage, file transfer, offline files, PDF reader, productivity app.

1. Download and open USB Disk, then grant requested permissions to access files and local network if prompted. 2. Import files by connecting to your computer and using system file sharing, uploading via the in app Wi Fi transfer page, or adding from cloud services through the Files app. 3. Organize your content by creating folders, renaming items, moving files, and using search to find documents quickly. 4. Open and manage files with the built in viewers for PDFs, Office documents, photos, videos, and audio, and use the share sheet to send or export. 5. Protect sensitive data by enabling a passcode or biometric lock and back up important folders to your preferred cloud storage for safe keeping.