How to Reball an iPhone 14 Logic Board Sandwich - Microsoldering & Motherboard Repair

Case category: Physical Damage — CPU Swap Required Recovery type: Zero-Knowledge Motherboard Repair Failure type: Flat Dead after Severe Impact Actual billed price: Custom Quote ($1850) Start your privacy-first motherboard repair here: https://www.iboardrepair.com/iphone-m... Read the full case study here: https://www.iboardrepair.com/post/iph... Are you a tech? Join our Discord:   / discord   I walks you through the entire process of reballing an iPhone 14 Pro motherboard interposer. This video is perfect for repair technicians or enthusiasts looking to deepen their understanding of advanced iPhone motherboard repairs involving CPU swaps and interposer reballing. What You’ll Learn in This Video: -How to prepare and clean solder pads on the iPhone 14 Pro motherboard using low melt solder. -Techniques for removing old solder with hot air and solder wick, including temperature adjustments and safety tips. -Handling oxidized solder pads and ensuring a perfectly clean, flat surface ready for reballing. Using a magnetic reball stencil (Qian Li brand) to precisely apply solder paste without warping the stencil. -Step-by-step walkthrough of the reballing process, including drying solder paste, applying flux, and using hot air for even solder melting. -Tips for joining the motherboard stacks back together, monitoring heat and alignment to ensure a solid connection. -Final inspection and testing of the motherboard after reballing, including putting the phone back into its housing. Tools & Materials Featured: Low melt solder and soldering iron Hot air rework station (temperature adjustment explained) Solder wick for desoldering Defluxor cleaner (with safety precautions) Magnetic reball stencil (Qian Li) Flux and solder paste Heating platform for board alignment and flow Why Watch This Video? This is a rare insight into a complex repair scenario where the technician performs an interposer reball on an iPhone 14 Pro motherboard, aiming to return a fully functional board to the customer. Aaron shares his personal preferences (like using hot air over irons for solder removal), safety considerations, and troubleshooting tips throughout the process. Whether you’re a professional repair technician or a DIY enthusiast, this tutorial offers valuable knowledge on precision soldering and motherboard repair techniques for one of the latest iPhone models. Timeline Highlights: 00:00 – Introduction and overview of the repair case 00:27 – Reflowing solder pads with low melt solder 04:16 – Removing solder using hot air and solder wick 11:41 – Cleaning and preparing oxidized pads 26:38 – Thorough cleaning and preparation for reball 28:30 – Using magnetic reball stencil and solder paste application 33:39 – Reballing with hot air (no nozzle technique) 40:55 – Rejoining motherboard stacks on heating platform 42:52 – Final assembly and outcome discussion