Google unveiled Android 12 beta yesterday and several makers announced that owners of select devices will be able to test drive it. The list includes the OnePlus 9 and 9 Pro, but the firmware was pulled almost as fast as it was released after the first users to try it reported that it caused their phones to bootloop. First off, this isn’t permanent – there’s a way to save the device using a Qualcomm tool that flashes the phone in Emergency Download Mode. This pinned post in the OnePlus forum explains how to roll back to stable Android 11. So, what happened? Well, if you didn’t...
Source: https://www.gsmarena.com/the_android_12_beta_for_oneplus_9_and_9_pro_cause_some_phones_to_bootloop_there_is_a_fix-news-49192.php