The Lanrui M191 Dual-Mode Power-On Tool is a precision diagnostic boot interface engineered specifically for mobile phone logic board testing, current leak detection, and DC power supply troubleshooting. Attempting to trigger motherboard boot sequences using tweezers, crude jumper wires, or poor-quality boot cables frequently causes intermittent disconnects, spark damage across delicate FPC battery contacts, or continuous boot loops due to missing battery handshake signals. The Lanrui M191 solves this by integrating dedicated battery data communication protocols alongside a universal, spring-loaded non-destructive switch clip.

Equipped with dual operational logic, the M191 features an iPhone Mode that accurately simulates battery data lines (BSI/SWI) and internal NTC thermal thermistors, preventing Apple motherboards from restarting or cutting off during diagnostic boot-up. Its Android Mode accommodates the wide variety of power-on trigger sequences required across Qualcomm Snapdragon, MediaTek (MTK), and Samsung Exynos chipset platforms. Constructed with gold-plated micro-contact jaws, heat-resistant ESD-safe ABS housing, and flexible silicone cabling, the Lanrui M191 connects directly to standard regulated DC bench power supplies (4.2V–5.0V) to deliver real-time current draw monitoring and instant short-circuit diagnosis, available at Fixtools.

Key Features

1. Simulated Battery Protocol Booting: Emulates authentic battery ID communication and NTC thermal resistance, eliminating false restarts and boot loops during Apple motherboard diagnostics.
2. Dual-Mode Architecture (iOS & Android): Dedicated protocol switching handles both iOS battery handshake lines and diverse Android multi-chipset power-up sequences (Qualcomm, MediaTek, Exynos).
3. Non-Destructive Universal Switch Clip: Precision micro-clamping jaws grip tiny battery terminal pads firmly without bending or damaging fragile FPC connector pins.
4. Real-Time Milliammeter Leak Detection: Pairs seamlessly with DC regulated power supplies to monitor standby current draw and expose primary power rail shorts before boot triggering.
5. Integrated One-Touch Power Trigger: Features a dedicated physical power-on switch to simulate power button press without manually jumping switch pins.
6. Multi-Stage Hardware Protection: Built-in circuit guards against overvoltage, overcurrent, and accidental reverse polarity connections.
7. Flexible High-Tensile Silicone Cable: Ultra-soft, heat-resistant 1-meter silicone lead resists soldering iron burns and provides tangle-free workbench maneuverability.

Specifications

1. Brand: Lanrui
2. Model: M191
3. Product Name: Lanrui M191 Dual Mode Power On Tool
4. Product Type: Motherboard Power-Up Switch Clip & Boot Diagnostic Cable
5. Device Compatibility: Universal Support for iPhone (Series 6 to 15 Pro Max) & Android (Samsung, Xiaomi, Vivo, Oppo, OnePlus, Huawei, etc.)
6. Operating Modes: Dual Mode (Dedicated iOS Battery ID Protocol + Android Chipset Logic)
7. Input Interface: Standard DC Power Supply Banana Jack / USB Connection (Recommended 4.2V – 5.0V Input)
8. Output Interface: High-Conductivity Gold-Plated Universal Clip / Micro-Probe Contacts
9. Housing Material: Heat-Resistant, Anti-Static (ESD-Safe) ABS Polymer
10. Cable Length: Approx. 1.0 Meter High-Tensile Flexible Silicone Lead
11. Protection Circuitry: Overvoltage Protection, Overcurrent Protection, Reverse Polarity Protection
12. Application Range: Motherboard No-Power Troubleshooting, Standby Current Leak Diagnostics, DC Power Supply Booting, Pre-Boot Short Circuit Testing

Package Includes

1. 1 × Lanrui M191 Dual-Mode Universal Power-On Switch Clip Tool

Important Notice & Terms

Important Advisory: Please ensure full technical compatibility and model verification before confirming your order. Always verify that your DC bench power supply is adjusted to the correct operating voltage (typically 4.2V) before connecting to any logic board. Products listed are sold under a strict No Return, No Exchange, and No Refund policy. Limited technical support is offered where feasible and cannot be guaranteed for every application. Fixtools is not liable for incorrect ordering or damage caused by improper usage; purchasing decisions rest entirely with the customer.