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How to Downgrade or Rollback Oneplus 8 Series & 9R from OxygenOS 12 to OxygenOS 11 - Step by Step Guide
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Oxygen OS 11 is incomparable for OnePlus 8T, on Android 12 I could barely come close to 6 hours of screen on time. I advise anyone looking for stability and battery life
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OxygenOS 12 Update Tracker: India Release Date, Top Features, List of Eligible OnePlus Mobile Phones - MySmartPrice
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