OnePlus had rolled out the OxygenOS 12 update a couple of days ago, but it was pulled back due to glitches and bugs reported by the customers.
OnePlus 9 and OnePlus 9 Pro will get OxygenOS 12 update once again. The smartphone company had rolled out the update a couple of days ago, but it was pulled back due to issues of glitches and bugs reported by the customers. Many users had complained that their phones had stopped functioning properly after they updated their phones to OnePlus 9, OnePlus 9 Pro. However, OnePlus has decided to roll out the update yet again. The new Oxygen OS update is marked C.39, whereas the previous version was marked as C.36. If you had installed the C.36, you should install the C.39 version immediately as the update will fix the bugs and glitches you have been facing in your phone.