Quick answers to the most common questions about i4Tools, iOS device management, backup, flashing, and troubleshooting. For more help, visit our Support page or Tutorials.
i4Tools (爱思助手) is a professional iOS device management tool for Windows, Mac, and Linux. It lets you backup, restore, flash firmware, install apps without an Apple ID, manage files, and more. It's a popular alternative to iTunes with extra features.
Yes. i4Tools is free to download and use. Most features are available at no cost.
i4Tools supports iPhone, iPad, and iPod touch running supported iOS versions. See our device and iOS compatibility page for details.
Try these steps:
See the Getting Started guide for full setup steps.
Yes. i4Tools is available for Windows, Mac, and Linux. Check the download page for system requirements.
Yes. i4Tools can create full or selective backups of your iPhone or iPad. You can choose what to backup and where to save it. See Backup & Restore for details.
Yes. You can restore a backup made with i4Tools to the same device or to another iOS device when upgrading or replacing your phone.
Only if Apple is still signing the older iOS version. i4Tools can flash firmware, but downgrades are limited by Apple’s signing window. See Firmware Flashing for more.
In many cases, yes. i4Tools can exit recovery mode or restore the device. For step-by-step help, see our DFU and Recovery Mode guide.
Yes. One of i4Tools’ features is installing apps from its library without needing an Apple ID. See App Management.
i4Tools is mainly in Chinese. For an English interface, the same developer offers 3uTools. You can find it at www.3utools.com.
i4Tools offers iCloud-related options for supported devices and situations. Use only on devices you own. See iCloud Bypass for important information and limitations.
i4Tools can help remove a forgotten passcode, but the process usually involves restoring the device, which erases data. Back up first if possible. See Screen Lock Removal.
See our Common iOS Errors page for explanations and steps to fix frequent errors when using i4Tools or restoring/flashing your device.