Download OxygenOS 11.1.2.2 for OnePlus 6 and 6T with November 2021 Security Patch
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Error while downgrading from Android p beta to oxygen os
Rollback Oneplus 6 & 6T from Oxygen OS 11.1.1.1 to Oxygen OS 10 Stable - YouTube
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Downgrade Oneplus 6 & 6T from Oxygen OS 11.1.1.1 to Oxygen OS 10
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Downgrade Oneplus 9 & 9 from Oxygen OS 12 beta 1 to Oxygen OS 11
![Downgrade OnePlus Android 12 to Android 11 [OxygenOS 12 to OxygenOS 11]](https://droidwin.com/wp-content/uploads/2021/05/Downgrade-OnePlus-from-Android-12-oxygenos-12-to-Android-11-oxygenos-11.jpg "Downgrade OnePlus Android 12 to Android 11 [OxygenOS 12 to OxygenOS 11]")
Downgrade OnePlus Android 12 to Android 11 [OxygenOS 12 to OxygenOS 11]
Facing issues after updating Android 11 in OnePlus 6
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Downgrade Oneplus 6 & 6T from Oxygen OS 11.1.1.1 to Oxygen OS 10
OnePlus 6 & 6t Downgrade Open Beta/Stable Android 11 to Android 10 | Roll back #TechieUjjaval - YouTube
DOWNGRADING NOT ALLOWED
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Downgrade OnePlus 6 / 6T OxygenOS 11 to 10 (Android 11 to 10) | Rollback Guide
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![Downgrade Android 10 to Android 9 Pie on OnePlus 6T / 6 [Guide]](https://cdn.wccftech.com/wp-content/uploads/2018/10/oneplus-6t-promo-front-and-back.jpg "Downgrade Android 10 to Android 9 Pie on OnePlus 6T / 6 [Guide]")
Downgrade Android 10 to Android 9 Pie on OnePlus 6T / 6 [Guide]
![CLOSED]unable to downgrade](https://forumstatic.oneplusmobile.com/opforum-gl/upload/image/front/thread/20220615/1416561/1089243744471351303/1089243744471351303.jpg "CLOSED]unable to downgrade")