Yes Crowd will close and be redirected to Help & Support on the 1st November 2021. Thank you to every member who has made this community such a helpful and supportive place for customers and staff to interact to help serve along with improve our products and services. You will be missed.
It sounds like it has become faulty or is damaged, without more information it's hard to say.
Visit an Optus store for some assistance.
And don't forget to take your proof of purchase with you.