Fixing Cellular Data for AOSiP Derpfest

Method 1 : Developer Options

1. Go to Developer Options

2.Search "Feature Flags"

3.Enable Settings_and_network_v2

4.Done

Method 2 : Terminal

1.Download Terminal Emulator or Enable Terminal from Developer Options

2.Paste it to Terminal Emulator

su -c "setprop persist.sys.fflag.override.settings_network_and_internet_v2 true"

3.Done

Method 3 : build.prop

1.Download Text Editor (Root Explorer Reccomended)

2.Add this Line to build.prop

persist.sys.fflag.override.settings_network_and_internet_v2=true

3.Reboot

4.Done

Thanks to @nysascape for some methods