Not every unfamiliar setting should be changed experimentally. For ordinary reversible preferences, a small test can help; security, account and data-erasure controls deserve a more deliberate decision.

1. Define the outcome
Write what you want the setting to change and read the current official explanation. If you cannot identify its purpose, stop and learn more. Avoid testing controls that could erase data, remove account access or weaken a protection you depend on.
2. Record the starting point
Note the existing choice and where to find it again. Choose a time when the affected feature is not urgent. For an app permission, identify which specific task may need the access.
3. Change one ordinary option
Make only the chosen reversible adjustment, then repeat the intended task with harmless sample material. Do not change several adjacent settings just because they are on the same screen. A controlled test makes the result interpretable.
4. Keep or restore deliberately
If the outcome is useful and the trade-off is understood, keep the change and note why. Otherwise restore the original choice and verify normal behavior. If a result is unexpected, consult the relevant provider rather than extending the experiment into resets or broader permissions.