Smartisan Nut Pro 3 -
The Nut Pro 3 is nicknamed "Bullfrog" (Niu Wa) internally by the community. Why? Because it is ugly, loud, and resilient.
FHD+ screen (2340 x 1080) featuring an under-display fingerprint reader and a waterdrop notch. capacity with 18W Quick Charge 4+ support via USB-C. A quad-camera array featuring a smartisan nut pro 3
But the real signature is that on the right edge. It’s not a button. It’s a design accent—a nod to old measuring tools and drafting instruments. On the left, a dedicated physical button for the “One Step” feature. On the bottom, speakers drilled like a vintage radio. The Nut Pro 3 is nicknamed "Bullfrog" (Niu
AliExpress, eBay, or Xianyu (Chinese second-hand market). The "Green" variant is the most collectible. The "White" variant is almost mythical. FHD+ screen (2340 x 1080) featuring an under-display
The (JianGuo Pro 3), released in late 2019, represents the final "true" Smartisan phone before the company’s software team was sold off to ByteDance and the hardware division went dormant. For collectors, UI purists, and power users, the Nut Pro 3 remains a fascinating artifact—a phone that prioritized human-computer interaction over glass sandwiches.