Leo K2TF4-41A-F4AT / K2TF4-22C-F4H Smart Remote Key — 433.62 / 433.92 MHz — ID46 Chip — For BYD Dolphin, Qin PLUS DM-i, Qin PLUS EV, Yuan Song

Replace a lost or damaged key with this direct-fit smart remote key for BYD models. Ready for transponder programming, this high-quality remote uses the ID46 chip and operates on 433.62 / 433.92 MHz — engineered for reliable range and performance.

Key benefits

• Compatible with BYD Dolphin, Qin PLUS DM-i, Qin PLUS EV and Yuan Song
• ID46 transponder chip — secure immobilizer compatibility
• Dual frequency support: 433.62 / 433.92 MHz for stable reception
• OEM-style button layout for intuitive operation
• Durable housing built to withstand daily use

Product details

• Models: Leo K2TF4-41A-F4AT / K2TF4-22C-F4H
• Frequency: 433.62 MHz / 433.92 MHz
• Chip: ID46 transponder (requires professional programming)
• Functions: remote lock / unlock / trunk / panic — function availability depends on vehicle model and programming
• Condition: new replacement remote key

What’s included

• 1 x smart remote key (transponder included)
• Note: Key cutting and ECU/transponder programming not included

Compatibility (quick scan)

• BYD Dolphin
• BYD Qin PLUS DM-i
• BYD Qin PLUS EV
• BYD Yuan Song
  (Confirm compatibility with your vehicle VIN or consult your dealer/locksmith before purchase.)

Programming & installation

• Requires professional programming and key cutting by an authorized dealer or automotive locksmith.
• Programming method varies by model and year — you may need diagnostic equipment.
• If you need guidance, contact your local BYD service center or an experienced locksmith.

Why choose this remote key

• Direct-fit design for seamless replacement
• Secure ID46 chip ensures proper immobilizer communication
• High-quality components for long-lasting reliability

Important notes

• Verify frequency and chip compatibility with your vehicle before ordering.
• This is a replacement smart remote — not pre-programmed to your car.
• Returns accepted for manufacturing defects; do not attempt to program or force-fit without professional help.

Order now to get a dependable replacement smart remote key for your BYD — fast shipping and quality assured.