Ohh... Please READ PDF INSTRUCTION ! If you want to install System UI Extensions, you DON'T need Unrestricted system-ui and mt-toggles 0.3.1... 1. Go to tweak T 2. Choose "Unrestricted toggles" 3. Choose version that you ALREADY installed (Coderus or MohammadAG) 4. Choose Uninstall 5. Choose 1 - for UNINSTALL ALL 6. When it done reboot recomended 7. Go again to tweak T 8. Choose 2 - for System UI Extensions 9. Choose INSTALL Hope it help...