July 2020 security update rolling out for OPPO Ace2, Reno4 5G, Reno2 F and K5

Oppo has started to rollout the new software update with the July 2020 security patch for Oppo Ace2, Reno4 5G, Reno2 F, and K5 users. This update improves system security via the latest Android patch.

Read More: Oppo ColorOS 8: List of eligible Oppo devices that will get the Android 11

This update added the Swipe-up gestures, Screen recording and internal recording function for Oppo K5. While this update optimizes system performance and system stability for Oppo Ace2 and Oppo Reno4 5G. This update fixes some known issues for these devices.

Below you can check the updated software version and complete the changelog of these devices.

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OPPO K5 – C.21

OPPO ACE2 – A.21

OPPO RENO4 5G – A.21

OPPO RENO2 F – C.11 (337MB)


Oppo Reno2 F


  •  Newly integrated Android July 2020 security patch to improve system security


  •  Optimize system performance and enhance system stability
  •  Optimize power consumption in specific environments and extend the use time


  •  New super Text function, can recognize the text in the picture by taking photos and convert it into text
  • Optimize the front self-timer sharpness to reduce the blur caused by slight hand shaking
  • Optimize the rear camera to make the effect more real and clear

Oppo Ace2


  •  Optimize network compatibility, improve call and Internet experience


  • Optimize system power consumption, improve system endurance


  • Added integrated Android July 2020 security patch to improve system security

Oppo K5


  • Added a swipe up gesture indicator bar to follow the screen rotation switch. When the switch is turned on, the swipe up gesture will exit from the long side of the screen in landscape mode; when it is off, the swipe up gesture will exit from the short side of the screen in landscape mode. (This function is enabled by default, and can be turned off by “Settings>Convenient Aids>Navigation Keys>Swipe Up Gesture>Up Slide Gesture Indicator Bar Follow Screen Rotation”)
  • Added screen recording and internal recording function, screen recording supports recording system sound and screen recording More convenient
  • Fix the problem that the smart sidebar cannot add fingerprint encryption applications
  • Fix the problem of the notification bar notification message folding display
  • Fix the problem that the third party application is stuck for the first time after booting
  • New up-slide gestures to return to the left and return to the right Gesture navigation


  • Optimize the transmission rate of some Bluetooth headsets and reduce the sound delay of Bluetooth headsets
  • Fix the problem that there is a small probability that SMS messages cannot be received


  • Newly integrated Android July 2020 security patch to improve system security

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