System updates sometimes reset the Developer Options toggle. Simply repeat the 7-tap process on the build number again. Your previous settings may still be preserved once you re-enable the master switch.
On ColorOS 13 and later (which the Oppo A38 runs), you may be prompted to enter your phone’s PIN, password, or pattern for security verification. Do so to proceed. how to open developer options on oppo a38
Q: Can I reset Developer Options to default settings? A: Yes, you can reset Developer Options to default settings by toggling off the setting or resetting the entire menu. System updates sometimes reset the Developer Options toggle
Enabling developer options itself harm your phone, drain your battery, or void your warranty. However, changing specific settings without knowing their function can cause "weird" system behavior, such as screen flickering or app crashes. How to Turn Off Developer Options On ColorOS 13 and later (which the Oppo
If you want, I can give step-by-step screenshots or the exact menu names for ColorOS version on your phone; tell me the ColorOS version shown in Settings → About Phone.