Due to the varying optimization software used by different brands, Whoscall may not work normally on some devices. We will later get into the customization needed for each individual brand in order to fully utilize Whoscall. Today, we will focus on OPPO ColorOS 3.1. Please take note of the following instructions and set your device accordingly.
Step 1 : Open [ Phone Manager ] → Tap [ Privacy Permissions ] → [ Startup Manager ] → Turn on [ Whoscall ]
Step 2 : Back to [ Privacy Permissions ] → Tap [ Floating Windows ] → Make sure [ Whoscall ] is open
Step 3 : [ Settings ] → Tap [ Notification & Status Bar] → [ Manage Notifications ] → Tap [ Whoscall ] and setting like below
Step 4 : [ Settings ] → Tap [ Battery ] → [ Energy Saver ] → Find [ Whoscall ] and setting like below
Step 5 : Go to [ Multitasking ] → Pull down [ Whoscall ] so that you can receive the lock up 🔒
If you have any questions, queries, problems or issues with Whoscall, email us and we’ll get back to you as soon as we can. Hope you’re having a good day !