Internet Speed master its a tool to help you improve internet connection.
This will modify a system files to improve the connection in tcp/ip config. its a know linux tweak so its safe using,however always do a backup before trying this.
All ROMS supported, some ROMS already had this file so maybe its not necessary patch the System.
You can fig more about this in XDA developers or santa-li about this tweak
This could Work or could not work, depends of your Provider,so please do not leave a bad feedback if this its not working for you.
NOTE for NON ROOT phones, this app its intended for use in Rooted phones, however im trying to improve the connection in non rooted devices
so maybe you can get a boost in your connection. be aware this could not work.