Massive Battery Drain continues after last OxygenOS Update for OnePlus 8 & OnePlus 8 Pro


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OnePlus, over a period of time has earned the distinction of a company that cared for its products and users. Of late, it is losing its sheen from being one of the best Android flavors. Prima facie, OEM has changed its business model. Its focus has shifted to producing more flagship as well as budget phones than it can handle in a year. Users are missing the promised timely bi-monthly OTA updates from OnePlus.

On 7th January, OxygenOS for the OnePlus 8 and OnePlus 8 Pro had been rolled out incrementally to the devices in the European and Indian regions. Even after a month, the global rollout is still awaited.

The Note: for OxygenOS on OnePlus forum read

The update for the devices in the other regions is in preparation and is expected to be released soon. Please stay tuned.

The woes are cup full for the global top tier flagship phones. In February the users are still stuck with the November security patch. And the devs are working to fix the useless bugs with tons of critical issues sidelined. There is a strong sentiment of loyal OP users. They feel that there is a lack of acknowledgement of issues on the part of the company and fixes are overbearing and updates are getting worse than poor.

With the rollout of OxygenOS 11 on OnePlus 8, OnePlus 8 Pro and OnePlus 8T, the company had acknowledged that the OTA was buggy. In fact, it had suggested the users downgrade to the earlier stable version of OxygenOS 10. Two more updates have been rolled out with optimizations in every build.

However, there are few pestering issues that always catch the eyeballs. One such is massive battery drain when idle. The issue is spread wide across Android 11. It is odd because one had never encountered earlier when unused devices should always be on battery save mode. The decline in screen on time (SOT) has been reported for all its latest premium flagship devices – OnePlus 8, OnePlus 8 Pro, and OnePlus 8T.

OnePlus forum is brimming with innumerable reports on the issue of battery drain when idle, and SOT performance. A decline of +8h SOT to about 5h/6h of SOT was reported. Even OxygenOS build on OnePlus 8T had similar problems. The second update in November, OxgyenOS tried to optimize the performance. However, it did not click.

In its bi-monthly update routine, the January OxygenOS for OnePlus 8 & OnePlus 8 Pro promised to deliver the results. However, it has been a month since its release and a major section of users continue to flag the issue. OnePlus 8 and OnePlus 8 Pro user reports on battery drain issues can be accessed here

Massive Battery Drain continues after last OxygenOS Update for OnePlus 8 & OnePlus 8 Pro

In the same thread one can read users reporting improved performance.

Massive Battery Drain continues after last OxygenOS Update for OnePlus 8 & OnePlus 8 Pro

The overall experience with OxygenOS is far from being smooth, rather freaking buggy. Some of the commonly reported problems are

  • Random stutters in animation,
  • Wifi issues,
  • Missing battery health status in %,
  • Abysmal Camera performance
  • Missing Photochrome filter
  • Lack of timely security updates – OnePlus 6 series got the January security patch
  • Weak Sim-card network strength
  • Messed up colors and green tint at low brightness in 60hz apps. Grey becomes green.
  • Deteriorating quality of shooting
  • Heats up while charging and playing games,
  • App lags/freeze, Microlags, and auto-brightness problems
  • Bluetooth scanning automatically turns on
  • Widevine L1 downgraded to L3
  • OxygenOS OTA is not pushed to Global users

Looking at the issues, it is advisable to not install OxygenOS till the devs release fixes to most of the troubling bugs.

Rashmi is the Editor of PhonesWiki. She launched PhonesWiki back in 2018, turning it into a top spot for phone news and updates by 2019. Now, it's your go-to for leaks and solutions to phone problems. Her first phone was a Nokia 6610, but now she relies on an iPhone 14 Pro as daily driver. Rashmi's a tech enthusiast through and through, always tinkering with gadgets and gizmos. When she's not writing, you'll find Rashmi hanging out with her beloved pet, enjoying some quality playtime. Have a tip or just want to say hello? Contact her at


  1. I’m having the same issue with my OnePlus 8. I’ve been using the latest OxygenOS update and my battery is draining much faster than before.


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