A critical UX observation: 3uTools’ internal database prioritizes download count (popularity) over file size. Thus, the “Top” list in the software’s “Firmware Download” tab shows iPhone 12 IPSWs before the larger iPhone 15 files. —forcing a filesystem-based view over the software’s curated ranking.
If you have already downloaded firmware and need to find the physical file to copy or move it, follow these steps: on your Windows PC. 3utools ipsw location top
If you have a small SSD (like 128GB or 256GB), accumulated IPSW files can eat up your storage quickly. 3uTools does not always delete old firmware automatically. If you have flashed multiple devices or updated iOS versions frequently, you might have 10GB, 20GB, or more of old firmware sitting unused. If you have already downloaded firmware and need
Furthermore, if 3uTools cannot find the cached file (because you moved or deleted it), it will re-download the entire 7GB file again, wasting bandwidth and time. If you have flashed multiple devices or updated
During the initial installation of 3uTools, you can choose a Custom Install