This method often breaks the Notification Center and Control Center. It is not "best" for daily driving, but it is the fastest for file recovery (extracting photos off a locked phone).
If you search reddit.com/r/setupapp or r/iPhone4s, the most recommended tool is by Appletech752 .
Delete any existing DNS numbers and enter one of the following regional IP addresses: 104.154.51.7 Europe: 104.155.28.90 Asia: 104.155.220.58 Rest of the World: 78.109.17.60
Remove the existing DNS and enter one of these based on your region: 104.154.51.7 104.155.28.90 104.155.220.58 Rest of World: 78.109.17.60 , and select Activation Help
Available on GitHub, this is an open-source tool explicitly designed to bypass iCloud on A5-A11 chip devices (iPhone 4S to iPhone X). It's cross-platform (Windows, macOS, Linux) and has a user-friendly interface.
Highly technical; requires purchasing specialized Arduino hardware components.