Skip to main content

OnePlus 9 series users report multiple bugs after latest Oxygen OS 12 update

Things don’t seem to be going well for OnePlus, which recently rolled out a significant update for its 2021 flagships — the OnePlus 9 and the OnePlus 9 Pro. Initial reports indicate that the fresh Oxygen OS 12 update for both smartphones is littered with bugs. Hours after people updated their phones, they took to social media and OnePlus’ own forums to voice their concerns.

The issues range from seemingly minor ones like UI inconsistencies and poor animations to potentially crippling ones like slow Wi-Fi speeds and losing the ability to make and receive calls. The move to Oxygen OS 12 has also resulted in OnePlus removing several customization options on the OnePlus 9 series. With the update installed, users lose the ability to change individual icons, disable Google Feed, or customize the status bar.

Recommended Videos

It's official, I absolutely hate this new ColorOS update by @oneplus. It's half-assed, animations looking shitty, some apps with different DPI scaling, and reeks of chinese skin type of Android. I hate it and I can't wait to ditch this for the Pixel 6.

— Francisco (@franciscof_1990) December 7, 2021

A OnePlus forum member listed several issues he observed on his OnePlus 9. According to him, the update has broken the task manager feature, which can no longer close all apps in the background. WhatsApp users have noticed that they are unable to use WhatsApp Web. The default phone app on Oxygen OS 12 is different from the previous OS, and it no longer offers the option for call recording.

Another OnePlus forum user claimed that his SIM card has stopped working and that even a factory reset did not fix the issue. Some others report that the phone does not connect to 5G networks anymore. There seems to be an issue with the Alarm functionality as well, with one user indicating that his phone “forgets” a preset alarm if he reboots the device.

If you own a OnePlus 9 series device, it might be a good idea to hold the urge to update your phone to the latest version of Oxygen OS 12. Given the number of complaints after this update, chances are high OnePlus will roll out a fix for these bugs in the days to come.

Rahul Srinivas
Rahul is a smartphone buff turned tech journalist who has been tinkering with all things mobile since the early 2000s. He has…
Does the OnePlus 12 have a curved screen?
OnePlus 12 held in person's hand running Real Racing 3.

The OnePlus 12 is the newest phone from OnePlus — and one of the best new phones of 2024. It features a 6.82-inch 2K (QHD+) AMOLED display that uses LTPO technology. It also has a triple-lens rear camera system comprising a 50MP primary sensor, a 48MP ultrawide sensor, and a 64MP telephoto sensor with 3x optical zoom. Additionally, it's powered by the Qualcomm Snapdragon 8 Gen 3 chipset and has up to 16GB of memory and other exciting features. It's a packed spec list, to say the least.

However, there's one thing we haven't addressed yet: Does the OnePlus 12 have a curved screen? And if so, is it a problem you should worry about? Here's what you need to know.
Does the OnePlus 12 have a curved screen?

Read more
I performed an intense gaming test with the OnePlus 12. Here’s what happened
Person holding green OnePlus 12 phone in hands while playing games.

OnePlus has traditionally appealed to a very demanding set of users. Its "Never Settle" ethos appealed to early adopters of OnePlus phones looking to accomplish more than they can on traditional flagship phones at a much lower price. After a few years off track, OnePlus' latest flagship phone -- the OnePlus 12 -- feels like an ideal representation of its founding principles.

From a radiant display to superfast wired and wireless charging, the OnePlus 12 has many compelling features. Areas that I feel deserves the most attention are its gaming performance and brilliant value, even compared to other $800 phones.

Read more
How many years of updates will the OnePlus 12 get?
OnePlus 12 Flowy Emerald held in hand against grass background.

OnePlus 12 Christine Romero-Chan / Digital Trends

OnePlus has started the year off strong with the launch of its signature flagship, the OnePlus 12. It packs in the latest Snapdragon 8 Gen 3 chip, at least 12GB RAM, a powerful triple-lens camera system, and a gorgeous high-resolution AMOLED display that gets up to 120Hz refresh rates and reaches a whopping 4,500 nits of peak brightness. Plus, it's an absolutely beautiful phone.

Read more