b4 Pico DFU Tool - iPhone Lightning & USB-C Tester

b4 Pico DFU Tool

A compact and powerful DFU (Device Firmware Update) testing tool built around the Raspberry Pi Pico (RP2350) microcontroller. Designed for iPhone repair technicians and electronics enthusiasts to test, diagnose, and put iOS devices into DFU mode with ease.

Key Features

• Built-in Lightning connector for iPhone compatibility
• USB-C port for power and data
• Onboard DFU, OK, OK, NG status LEDs for instant diagnostics
• START and RESET push buttons for easy operation
• Powered by Raspberry Pi Pico (RP2350) — reliable and reprogrammable
• Compact PCB form factor — easy to carry and use in the field
• Compatible with b4 cn diagnostic software

Ideal For

• iPhone repair shops and technicians
• iOS DFU mode testing and recovery
• Electronics hobbyists and developers