Install Official Experience 9.0 Oreo On Galaxy S7/Edge AT&T
Samsung reduces update frequency for Galaxy S7, S7 Edge smartphones
Galaxy S7 & Galaxy S7 Edge - Bypass FRP Lock Tool Android 9 or Remove Google ID from Galaxy S10, S10+ Without PC https://www.s7fanclub.com/bypass-frp-lock-or-remove-google-id-android-9-galaxy-s10-series.html?utm_source=dlvr.it&utm_medium=facebook ...
Why Samsung Galaxy S7 won't be updated to Android 9 Pie
It's still unlikely the Galaxy S7 will be treated to Android 9.0 Pie - SamMobile
Update: Probably not] Samsung may actually update the Galaxy S7 with One UI based on Android
5 Things to Know About the Galaxy S7 Android Pie Update
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Install Android 10 on Samsung Galaxy S7 Edge (LineageOS 17.1) - How to Guide! - The Upgrade Guide