Mobile Phone Screen Repair
40% of overall revenue (source: 2023 Industry White Paper).
However, the high profits come with significant challenges, including inconsistent screen quality and frequent after-sales issues.
With over 17 years of experience in the mobile phone spare parts supply chain,
we’ve compiled this ultimate guide to help repair professionals make smarter purchasing decisions,
avoid common pitfalls, and improve customer retention.

1. Understand Screen Types: Know What You’re Buying
✅ Original Screens (OEM)
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Where to Buy: Authorized brand agents or certified recycling channels (IMEI code verification required).
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Profit Margin: 35%–50% gross margin.
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Watch Out: Refurbished screens – check sealing edges under a microscope.
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Best For: Premium customers and official repair centers under warranty.
✅ Rear Pressure Cover Screens (TP+LCD)
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Technical Tips:
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Glass thickness tolerance ≤ 0.03mm to prevent touch issues.
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Use 0.15mm OCA optical glue for better display clarity and touch sensitivity.
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Price Advantage: 40%–60% cheaper than OEM screens.
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Suggested Offer: Include a 180-day warranty to enhance buyer confidence.
✅ Domestic Flexible OLED Screens
- 2023 Breakthrough: BOE/Tianma panels reach Delta E<2 color accuracy.
- Quality Checks:
- Use DC dimming tester; flicker frequency should be ≥1250Hz.
- Run 4K video for 2 hours to detect screen burn-in risk.
2. Quality Assurance: 6-Step Professional Testing Workflow
🔍 Microscopic Inspection
- Use a 200x electron microscope to inspect pixel arrangement (e.g., Samsung Pentile, BOE Pearl).
- Ensure uniform edge sealing—bubbles or whitening indicate secondary processing.
⚡ Electrical Testing
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Recommended Tools:
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Speed Technology S90 Pro: Tests touch report rate and IC compatibility.
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Actions AT568: Verifies PD fast-charging handshake.
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🌡️ Environmental Simulation
- High Temp & Humidity: 85°C/85% RH for 72 hours.
- Drop Test Standard: 3 drops from 1.2 meters onto a marble surface.
👉 Visit our official website to register your corporate account and elevate your repair business today!