Don't attach it to a telescope either.
https://www.howtogeek.com/taking-photos-of-the-eclipse-can-ruin-your-phone/?utm_source=dlvr.it&utm_medium=blogger
https://www.howtogeek.com/taking-photos-of-the-eclipse-can-ruin-your-phone/?utm_source=dlvr.it&utm_medium=blogger