[Day-One Patch] OnePlus 7 Pro OTA Update Added DC Dimming Mode with Bug Fixes

OnePlus 7 Pro DC dimming mode

According to report, OnePlus Company (Chinese Smartphone Manufacturer) has released its OnePlus 7 series of phone officially and its Pro variant has also reached to the hand of early adopters via pop up events which is OEM based on Shenzhen , is pushing the day-one security patch to the OnePlus 7 Pro Smartphone. We are seeing that pushing day-one OTA updates techniques is now quite common practice nowadays. This is possible due to Rapid Application Development (RAD) model which is preferred by the company to change some feature and bug fixes have to be delivered to its devices. Let’s take have a look at OnePlus 7 Pro OTA update in detail.

[OxygenOS 9.5.3.GM21AA] OnePlus 7 Pro users receiving GM1917 Model number

OnePlus 7 Pro DC dimming mode

OnePlus 7 Pro phone users have noticed the version number of OxygenOS build- its’ 9.5.3.GM21AA. Since, it is received by Asian/Indian variant of OnePlus 7 Pro which carries the internal model number GM1917. For those who are not aware, OnePlus has released four variants of Pro model including model number GM1911, GM1913, GM1915 and GM1917.

Now, the Chinese company has redesigned their OTA distribution policy and prepared region specific software channels. Indian model of Pro Smartphone comes with OxygenOS 9.5.1 which is now getting update to 9.5.3. On other hand, US models are receiving 9.5.2 update from its previous 9.5.0 build. We are seeing that there is minor revision number in the build tag are different in both country i.e., GM21AA for India and GM21BA for USA.

OnePlus 7 Pro DC Dimming Mode experimental: About Changelogs

OnePlus 7 Pro DC dimming mode

Both the build has brought feature like April security patch, experimental DC Dimming and dedicated gaming mode. No doubt, both have different changelogs. OnePlus 7 Pro DC dimming mode added by company with its day-one security patch. We are seeing that US models got digital well being related fixes. On other hand, these fixes are absent from Indian/Asian variant day-one patch. Let’s take have a look at changelog portion.


– Updated Android security patch to 2019.4

– Added DC dimming feature (Settings-Utilities-OnePlus Laboratory)

– Improved smooth scrolling

– General bug fixes and improvements

Gaming mode

– Enhanced audiovisual experience by adding haptic feedback (Settings-Utilities-Gaming mode)

– Added Fnatic mode (Settings-Utilities-Gaming mode)


– Optimized photo quality

OnePlus 7 Pro OTA Update: European users getting another variant of OnePlus 7 Pro

From the list of four variant, Europe users are getting GM1913 model number and variant internally that is called OnePlus7Pro_EEA. Moreover, the minor build verison is similar to the US models GM21BA of OxygenOS is 9.5.1 in these units. US users have received the day-one security patch. We are working hard with Oxygen Updater contributors and we will defiantly post an update, if it will come in future. For any suggestions or queries, please write on the comment box given below.

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