Download iOS 9.3.3 (13G34) for iPhone 6

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone7,2
iOS Version 9.3.3
Release Date 2016-07-18
Update Date 2024-06-03
Sha1sum
44c32a894b16b380cdcbf28e3a681560e2556acc
Sha256sum
595772e188b647646896ed7aab1f35ee82afb0e6814e7dda21120bbd44a8dc39
md5sum
ef50ef90b29a99a345cddaf58bbb35b2
Size 1.88 GB
FileName
iPhone7,2_9.3.3_13G34_Restore.ipsw
Status

Download IPSW (1.88GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

iOS 9.3.3 includes bug fixes and improves the security of your iPhone or iPad.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222