Black Shark 4 Teardown Reveals How The Mechanical Shoulder Buttons Work Without Consuming Power

Xiaomi’s newest gaming smartphone — the Black Shark 4 — went on pre-orders in European markets just a while back. Now, YouTuber JerryRigEverything has put the phone through the usual teardown and durability tests. While there’s not much by way of surprise here, the teardown does show that the mechanical shoulder buttons on the Black Shark 4 work without requiring additional power.

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