Brain Test 4 answer

Brain Test 4 Level 169

Puzzle prompt

How can I open my phone

Direct answer

1) Formulas have no significance. 2) Drag the left hand on the phone's button.

Puzzle screenshot

walkthrough

Follow the screen sequence

Use the images as a compact replay of the solving path. The text below each frame explains what should change.

Video walkthrough

version check

Same number in other versions

Brain Test versions can reuse the same level number with a different puzzle. If the screenshot or question does not match your game, switch to the same number in another version or use the nearby level links.

Brain Test 1Level 169 Brain Test 3Level 169 Brain Test 4Level 169 All StarLevel 169

Strategy guide

1.Ignore all formulas and numbers displayed - they're meaningless red herrings in this puzzle;
2.Focus on the phone itself: locate its physical button (usually at bottom or side);
3.Drag the character's left hand specifically onto the phone's button to unlock it;
4.Remember this level tests observation, not math - the solution is purely mechanical.

Common mistakes

1.Trying to tap the formulas or numbers on screen instead of interacting with the phone directly;
2.Attempting to solve mathematical equations shown in the level, which are irrelevant distractions;
3.Dragging the wrong hand or tapping the screen instead of dragging the left hand specifically;
4.Overlooking the phone's physical button and trying to swipe or use on-screen controls.