I did an factory reset on fw 1.5.0 i notice the ram usage is 700mb before factory reset it was 300-400mb. After factory reset only the android OS uses 400+mb ram. Is this normal i notice a little lag in android [lexicon]settings[/lexicon] UI
On Android it`s normal to load at once so much as possible into RAM, to let the OS work quicker. You don`t need to worry about full RAM, Android have his own RAM Manage routine to handle this.