This app optimizes your Data network speed.Developed by Vista(@NexusRoi).all phones are supported. Just need root. YOU MUST ROOT YOUR PHONE. THIS IS ROOT APP.* Little donation(buying pro version!) or AD clicks would be helpful for developers. ^^*based on Build.prop Optimization.needs busybox.- Features -Number/Number/Number (example: 10/10/6) means GPRS Class/Max download speed/Max upload speed.Speaking Simply, Higher value boosts your data network speed,but it can causes battery drain.and you can choose Download speed increase option (slow upload speed) / Upload speed increase(slow download speed) option.- Donation version(PRO) features -Use clear white theme, and includes additional tweaks(such as Wi-Fi scan interval tweak, TCP Buffer tweak, RIL sleep policy tweaks).Little donation would be helpful for developers!If you have a question or problem, please contact to:Twitter (@NexusRoi)E-mail ([email protected]). Thank you!