Lanrui AA-12 4.2V Power Supply Boot Startup Cable for iPhone 8 to 17PM & Most Android Phones
The Lanrui AA-12 4.2V Power Supply Boot Startup Cable is a specialized mobile phone repair accessory designed to provide a controlled 4.2V power connection for booting, testing, and troubleshooting compatible smartphone devices. It is particularly useful for professional technicians working on iPhone and Android phone motherboard repairs.
Designed to support iPhone 8 through 17PM models and most Android phones, the AA-12 provides a convenient way to supply power during motherboard-level diagnostics and repair procedures. It can help technicians test device startup conditions without relying solely on the phone’s internal battery.
The cable is suitable for applications such as motherboard testing, boot troubleshooting, power-on diagnostics, current testing setups, and component-level mobile phone repair. Its dedicated design makes it a useful addition to professional repair benches and mobile phone testing equipment.
The 4.2V power output is intended for compatible mobile phone power-supply and boot-testing applications. Technicians can integrate the cable into suitable DC power supply setups to assist with controlled device testing during repair.
Key Features
- 4.2V power supply designed for mobile phone boot testing.
- Specialized cable for smartphone motherboard diagnostics.
- Compatible with iPhone 8 to 17PM according to the product specification.
- Suitable for most compatible Android phones.
- Useful for boot startup and power-on testing.
- Helps technicians test motherboards without relying exclusively on the internal battery.
- Suitable for mobile phone repair and troubleshooting.
- Useful for motherboard-level diagnostic work.
- Practical accessory for professional repair benches.
- Compact design for convenient storage and regular workshop use.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Lanrui AA-12 4.2V Power Supply Boot Startup Cable |
| Model | AA-12 |
| Brand | Lanrui |
| Product Type | Mobile Phone Power Supply / Boot Cable |
| Output Voltage | 4.2V |
| Main Function | Boot Startup & Power Testing |
| Compatible Devices | iPhone 8 to 17PM & Most Compatible Android Phones |
| Main Application | Mobile Phone Motherboard Testing |
| Suitable Work | Boot Testing, Diagnostics, Troubleshooting & Repair |
| Recommended Users | Mobile Repair Technicians, Electronics Professionals & Service Centers |




















