According to the official instructions, the supported platforms and minimum versions are as follows: Ionic 1 iOS 7+ Android 4.1+ Ionic 2 iOS 8+ Windows...
For mobile project development, the Ionic framework is used, which involves file uploading. File Selecting/Uploading/File Uploading/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File...