I've been waiting for an astrophotography mode for years !
It's finally here, thanks to Expert RAW.
Taken on S22 Ultra
Yes and uninstall and reinstall also I've read it should be a button top right but nothing on mine 
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Samsung Electronics, and its partners, use cookies and similar technologies (collectively “technologies”) to store and access information on your device. Some of these technologies are technically essential to provide you with a secure, well-functioning and reliable website. We would also like to set optional/non-essential technologies to give you the best user experience. Optional technologies make it possible to measure the audience of our website, to display personalized advertising on third-party sites based on your profile, to track your location, to carry out targeted marketing campaigns and to personalize the content of our website depending on your usage. Through these technologies, we will collect information such as your interaction with our website, your preferences and your browsing habits.
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