Doi voi cac doi may thap thi cac ban soan tin nhan voi cu phap : logo xx gui toi so 19001588 ! Trong do xx cac ban co the thay bang cac con so de nhan duoc mau logo co san tu tong dai vd : logo 2 , logo 17 , logo 123 ! Hoac ban cung co the thay bang bang 1 doan van ban ! Vd : logo iloveyou , logo pro67mc ! Phi dich vu la 500d 1 tin nhan !
Doi voi cac doi voi cac dong may doi cao ( may co the su dung gprs ) thi cac ban co the click vao link duoi day de tu thiet ke cho minh mot logo nhu y !

Link 1 ( tieng anh )

Link 2 ( tieng viet )