mFlash
Utilities
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
OTG 传输助手是专为 iPhone 打造的外接存储文件管理工具，通过 Lightning/Type-C 转 USB 转接设备连接 U 盘、移动硬盘、读卡器，摆脱电脑束缚，实现手机与外置存储之间高速自由拷贝文件，随时随地备份、转移手机数据。
核心功能
OTG 高速传输
插上转接 U 盘即可自动识别，支持文件复制、剪切、粘贴、删除、重命名，单文件 / 批量文件一键迁移，照片、视频、录音、Word、Excel、PDF、压缩包等全格式兼容。
手机 ↔ U 盘双向互传
手机导出：相册图片、录像、聊天文件、下载资料一键批量拷贝到 U 盘，腾出手机内存；
U 盘导入：U 盘中资料直接读取保存至手机，外出办公、拷贝资料无需携带电脑。
内置文件管理器
内置分类视图：图片、视频、文档、音频、压缩包分门别类，支持文件夹新建、排序、搜索，快速查找目标文件，管理 U 盘内部目录更清晰。
离线备份神器
重要工作报表、家庭相册、珍贵视频离线备份至 U 盘，不占用云端流量，无需网络，杜绝云端隐私泄露，数据留存更安全。
多存储兼容
兼容普通 U 盘、固态移动硬盘、TF/SD 读卡器、相机存储卡，适配大部分外接 USB 存储设备，外出拷贝资料、相机导图十分便捷。
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
修改已知bug，提升用户体验。
The developer, Huizhou Yayu Technology Service Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Huizhou Yayu Technology Service Co., Ltd.
- Size
- 7.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 6 more
- English, French, German, Italian, Japanese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 i-mica Inc