Welcome and you can adjust your settings any time. If you are using your phone in the top left hand corner where you see the colorful icon, right next to it are three lines, click that then scroll down to were you see settings, click that then click on account seetings. Once your there turn the automatic cycle indicator off, once that is off you can start and stop your cycle and you can can change ur cycle length too...hoped this helped
I think you are able to change all your information at any time. WELCOME! GOOD LUCK