Topics started by jummanahmedroni

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jummanahmedroniFirst activity
posted in Android

oneplus 9 pro authorised OxygenOS 13 gone

I downgraded my oneplus 9 pro to OOIS 12. After downgraded my device model was changed also some authorised app was gone like phone dailer,message.So I wanna know that How can I get back T Mobile OOIS 13/12?someone can please help me to find the outhorised  OOIS 12/13? 

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