The AMAOE S928U-012 stencil is a professional middle-layer motherboard reballing stencil designed for the Samsung Galaxy S24 Ultra (SM-S928U series). It is mainly used in sandwich board repair and advanced GSM micro-soldering work, especially for restoring inter-layer connections on the motherboard.
🔧 Main Purpose
- Middle layer (inter-board) reballing
- Solder paste application for fine PCB pads
- Samsung S24 Ultra motherboard repair
- Fixing no power / boot loop / no signal issues
- Restoration of interconnect signals between stacked boards
⚙️ Features
- 0.12mm high-precision stainless steel
- Laser-cut square aperture design for accuracy
- Heat resistant and reusable
- Stable alignment for ultra-fine BGA layouts
- Designed specifically for S24 Ultra architecture
📱 Supported Model / Layout
- Samsung Galaxy S24 Ultra
- SM-S928U / SM-S928W / related variants
- Board code: WOD_M_RF_06G
🧠 Technical Use
This stencil is not for CPU alone — it is mainly used for:
- Middle board signal reconstruction
- RF / PMIC / interconnect repair
- Sandwich motherboard alignment work
- Advanced chipset communication repair
🧩 Applications
- Flagship Samsung motherboard repair
- S24 Ultra dead boot repair
- Signal / network failure repair
- Advanced BGA rework in GSM labs
- Professional micro-soldering stations

















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