Skip the iPhone setup screen on checkra1n devices, make sure these files are written to /var/mobile/Library/Preferences
This no longer works as of iOS 15 (or it might, but I'm pretty sure it's gone)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>AssistantPresented</key>
<true/>
<key>DictationPresented</key>
<true/>
<key>ForceNoBuddy</key>
<true/>
<key>SetupDone</key>
<true/>
<key>SetupFinishedAllSteps</key>
<true/>
<key>WiFiPresented</key>
<true/>
</dict>
</plist><?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>SBAutoDimTime</key>
<integer>-1</integer>
<key>SBAutoLockTime</key>
<integer>-1</integer>
<key>SBEnableALS</key>
<false/>
</dict>
</plist>