Oxygen Updater is an open-source app supported by ads & donations. Ads can be removed by purchasing the ad-free unlock in the app’s settings. This is a third-party app, not an official OnePlus application. App’s purpose OnePlus rolls out OTA updates in a staged manner, meaning you might have to wait a long time before receiving an update. That’s where this app comes in — it downloads only official updates directly from OnePlus/Google servers, and even verifies the integrity of the ZIP before al