The menu will disappear from "Additional settings." To get it back, you must repeat the seven-tap process in Phase 1.
Once activated, the menu is not listed on the main settings page. To find it: Go back to the main Settings menu. Tap on Additional settings . Scroll down to find and tap on Developer options . Key Features and Usage how to open developer options on oppo a38
(this may be labeled as "About version" or "Baseband & kernel"). Locate the Build number and tap it seven (7) times consecutively. If prompted, enter your lock screen password or PIN to confirm. You will see a toast notification stating, "You are now in Developer mode!" Step 2: Access the Developer Options Menu The menu will disappear from "Additional settings