✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | January 23, 2017 |
|---|---|
| Upload Date | January 13, 2017 |
| Filename | iPhone_4.0_32bit_10.2.1_14D27_Restore.ipsw |
| Filesize | 1.8 GiB |
| SHA256sum | 37296678eb3b6a1e4e19b5e6c1c9bd73426127f782d347871c51cddbcc3080e2 |
| MD5sum | 1a858151775952fd912ee17249cdb901 |
| SHA1sum | cef2111be93e40339abae934bb663d8099b088a2 |
| Identifier | iPhone5,4 |
iOS 10.2.1
iOS 10.2.1 includes bug fixes and improves the security of your iPhone or iPad.
It also improves power management during peak workloads to avoid unexpected shutdowns on iPhone.
For information on the security content of Apple software updates, please visit this website: https://support.apple.com/HT201222