Custom Smartphone Motherboard Design

@hayteekeys

HI, KINDLY READ THROUGH MY PROPOSAL WHAT I CAN DO I will design a complete, high-performance smartphone motherboard from scratch, delivering balanced CPU + GPU architecture with 5G connectivity, high-resolution display support, and optimized battery life circuitry. MY APPROACH ✅ Full schematic capture and component selection for balanced performance ✅ Multi-layer PCB layout with proper power delivery, signal integrity, and thermal management ✅ 5G integration, display driving, and efficient power management ✅ Simulations for power, SI, and thermal performance RELEVANT PROJECTS Successfully designed smartphone and tablet motherboards with 5G, high-performance SoCs, and strong battery optimization for production. DELIVERABLES • Complete schematics and PCB layout • Gerber files, BOM with sourcing • Power/SI/Thermal simulation reports • Design review document QUESTIONS 1. Which main SoC / processor are you targeting? 2. What is the target form factor and key I/O requirements? 3. Any preferred design tool (Altium preferred)? I am Ready to start immediately.

@mzdesmag

Hello sir, Did go through your job description and glad to share that I have enormous experience in working with Custom Smartphone Motherboard Design I'm a seasoned programmer and Engineer with quality experience in Flutter, React, Node.JS, SpringBoot, Frontend and Backend Development, Python, Matlab, R studio, C, C++, C#, OpenCV, OpenGL, Tesseract OCR, google vision, Statisticaal programming/R progamming data analysis Computing for Data Analysis Time Series & Econometric, Machine learning, AI, Deep learning, Matlab and Mathematica, 3D modeling, CAD/CAM,AutoCAD, 2D, Architectural Engineering, SolidWorks, Unity 3D, PCB, Electronics, Arduino, Automation, Embedded and Firmware , IOT, Electrical/Mechanical Engineering I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/mzdesmag. Looking forward to potentially working together on this project. Thanks and Best regards, Adekunle.

@alluankit01

Hi, I can support the custom smartphone motherboard design from architecture planning through schematic, PCB layout, BOM, simulation review, and manufacturable output preparation. The best solution is to first review your component preferences, SoC/module choice, 5G modem/RF requirements, display interface, battery targets, I/O map, thermal envelope, mechanical constraints, and compliance needs. Then I’ll prepare a practical board architecture focused on balanced CPU/GPU performance, power integrity, battery optimization, signal integrity, RF layout, and thermal management. I’m comfortable with complex PCB design, high-speed interfaces, power-tree planning, battery-powered electronics, 5G/module integration, display interface routing, thermal analysis, Altium/KiCad workflows, BOM validation, DRC/ERC checks, and manufacturing documentation. Deliverables can include: * Complete schematic capture * Layer stack-up definition * PCB layout ready for fabrication * Power and signal-integrity review * Thermal design notes/simulation support * Validated BOM with sourcing notes * Gerber and manufacturing files * Post-layout design review report * Assembly/fabrication notes For a full smartphone-class board, I’ll work carefully from verified reference designs and component datasheets to reduce risk and make the design practical for prototype/manufacturing review. Best regards Ankit

@ElecHamza

Hi, I can deliver an end-to-end, high-density smartphone motherboard designed entirely from the ground up. Balancing high-performance CPU/GPU throughput with strict battery-life optimization is exactly the type of complex hardware challenge I specialize in. I will use Altium Designer to execute the complete schematic capture and high-density interconnect (HDI) PCB layout, utilizing microvias and a carefully calculated layer-stack to handle the routing density of a modern 5G SoC. To ensure the board meets your performance and thermal targets without throttling, I will conduct rigorous power integrity (PI), signal integrity (SI) for high-speed buses, and thermal simulations before tape-out. You will receive a manufacturing-ready deliverable package, including error-free Gerber files, a validated and sourced BOM, and comprehensive simulation reports proving the board's thermal and electrical stability under balanced heavy loads. I am ready to review your I/O maps and form-factor constraints to get started. Best regards

@santhas7

Hi, I'm Santha - 10+ Years DFM Expert from Malaysia. Smartphone motherboards fail in mass production for 3 reasons: 1. Thermal issues near CPU/PMIC 2. Microvia reliability in HDI boards 3. DFM violations causing assembly defects I've solved 200+ such boards in my factory career. I don't just design - I design for ZERO re-spin. For your project, I will: 1. Review schematic & stackup for DFM in 4 hours 2. Layout with thermal/EMI best practices - Day 1 3. Complete Gerber + Assembly files + DFM report - Day 2 Why me? I worked where these boards are made. I know what causes ₹10 lakh losses in production. You won't face that with me. Let's build a board that works first time. Ready to start now. - Santha DFM Expert | 10+ Years PCB Manufacturing

@bilw3

Hello, I am interested in designing your custom smartphone motherboard from concept through manufacturing-ready release. I have experience with high-speed PCB design, power architecture, RF integration, and complex embedded hardware systems. Scope: Complete schematic capture (Altium/KiCad) PCB stack-up and layout 5G, display, memory, and PMIC integration Power, signal integrity, and thermal validation BOM preparation and sourcing recommendations DFM review and manufacturing-ready Gerber files The design will be optimized for balanced CPU/GPU performance, thermal efficiency, and extended battery life while meeting your mechanical and performance requirements. I would be glad to discuss the specifications and provide an accurate timeline and cost estimate. Best regards, Billy