The top feature of Realme 5 is the quad-camera with a dedicated Macro camera. The RMX1911EX_11_A.12 update will improve rear main camera resolution and portrait mode effect. The update will be available via OTA and it requires a couple of days to complete the rollout Official changelog:

System stability improvementsOptimized the animation into the appImproved the rear main camera resolutionImproved portrait mode effectPerformance of whatsApp and messenger video calls improvementsAndroid security patch: August, 2019.

If you would like to install the new software update manually on your Realme 5, and without waiting for the OTA (over the air), you may follow below steps.

Installation guide:

Download and flash ColorOS 6.1 RMX1911EX_11_A.12 update file from this link or directly from here to your phone storage. (Size 2.34GB, MD5: 848C8899F85A2BEB37D5E8B1D1D39A7F) Turn off your phone. Press and hold the Volume Down and the Power buttons simultaneously until booting into recovery mode. In recovery, select language > From phone storage > Select the ColouOS OTA package > tap OK to begin installation. Once installation completes, tap Reboot to boot your phone into new ColorOS version.