Set screen brightness based on time or manually?

1. Which is better auto brightness or manual?
2. Is automatic brightness good?
3. How do I make the brightness change automatically?

Which is better auto brightness or manual?

Auto spends more battery. So if you want more performance, use automatic but if you want better battery use manual. Use the status bar to increase decrease brightness if you do it manually. If however you use higher brightness all the time, manual will kill your battery sooner than what you expect.

Is automatic brightness good?

But, this light can cause damage to the retina if you spend long periods looking at your phone. This is why it's a good idea to turn off auto-brightness to maintain healthy eyesight and reduce strain on your eyes.

How do I make the brightness change automatically?

In the Settings app, tap Accessibility. Tap Display & Text Size. Scroll to Auto-Brightness and tap to turn the feature on or off.