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Downgrade/Rollback Oneplus 7, 7 Pro, 7T & 7T Pro from OxygenOS 12.1 & ColorOS 12.1 to OxygenOS 11 or OxygenOS 10
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OnePlus 7T and 7T Pro OxygenOS 11 Android 11 update starts rolling out [Update: OnePlus 7 and 7 Pro as well]
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OnePlus 7, OnePlus 7T series to get OxygenOS 11 update in December 2020: Report-Tech News , Firstpost
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OxygenOS 11 Beta 2 now rolling out for OnePlus 7 and 7T series, AOD enabled only on Pro phones – Droid News
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