How can we lock our profit....

Dear agr ap trading k liey mobile phone use krty hain to us mein ap trailing stop ka option use nhi kr sakty keun k ye option mobile mein nhi hy ye sirf laptop ya pc mein hota hy han aik aur tareeqa hy k agr apki trade profit mein chali jati hy to ap bar bar modify order kr k apny stop loss ki limit ko barahty jaein to agr apki trade jis time bhi close ho gi apki trade profit mein hi close ho gi