Download iOS 9.3.5 (13G36) for iPhone 5c (GSM)

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 iPhone5,3
iOS Version 9.3.5
Release Date 2016-08-25
Update Date 2016-08-20
Sha1sum
9aaa618d2ed98d6f984b678d250bbb7aec46a096
Sha256sum
90110a1f54c611bec7b09ed6532e2f103ed88e954fbda6adad6fa2fc00229b49
md5sum
22b36471634ad55221f44dbb77e26cee
Size 1.59 GB
FileName
iPhone5,3_9.3.5_13G36_Restore.ipsw
Status

Download IPSW (1.59GB) Check device info
Release Notes

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

iOS 9.3.5 provides an important security update for your iPhone or iPad and is recommended for all users.

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

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