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06-01-2026

OLED Screen Repair: 5 Tips for a Successful Repair

OLED screens are popular because they deliver super-bright colors and deep blacks. But they are also delicate for technicians. One wrong move can lead to extra costs and unhappy customers. In this blog, we take a close look at the most common repair mistakes and provide practical solutions to avoid them.

1. Maintain the Correct Temperature During Disassembly

Many technicians use the same heat settings as they do for LCD screens. This can be a problem because OLED panels are thinner and more sensitive. Too much heat can cause:

Warped screen
Damaged touch layer
Green or white lines

How to prevent it:

✔ Work with controlled heat between 80–95°C

✔ Use pre-heating mats or a stable hotplate

✔ Avoid pointing the heat gun at one single spot

2. Apply Pressure Correctly to Prevent Damage

OLED screens have no backlight and are therefore very thin. Applying too much pressure can cause micro-cracks that lead to problems later, such as:

Black spots
Pixel bleeding
Partial display failure

How to prevent it:

✔ Press only on the edges, never in the center

✔ Use foam pads or frame-alignment tools to distribute pressure evenly

✔ Check that the frame is flat before installing the screen

3. Handle Flex Cables Safely

A common mistake is thinking the flex cable is stuck, so it gets pulled. This can lead to:

Loose connectors
Touch issues
Intermittent display-fouten

How to prevent it:

✔ Always check the correct folding direction of the flex cable

✔ Never pull on the cable

✔ Use plastic spudgers instead of metal tools

4. Recognize Burn-In Correctly

Burn-in or image retention is normal for OLED screens, but it is often mistaken for a defect. Unnecessary replacement can lead to:

Extra costs for the customer
Wasted screens
Lower profit margins for you

How to prevent it:

✔ Test the screen with a uniform white or gray image

✔ Explain to customers that burn-in is a natural characteristic of OLED

✔ Provide tips to prevent burn-in, such as using dark mode

5. Check the Frame for a Perfect Installation

After a drop, the old screen is often damaged, but the frame can also be slightly bent. Installing a new OLED screen on a warped frame can cause:

Cracks
Light leakage
Pressure points

How to prevent it:

✔ Use a frame straightening tool or replace the frame

✔ Check for pressure points before applying adhesive

✔ Test the installation without glue first

We offer a wide range of displays for various phone brands. Check them out here.

Conclusion

Repairing OLED screens is different from working with LCDs. Pay attention to heat, pressure, flex cables, and the frame. Test for burn-in and provide your customers with clear explanations. With the right parts and techniques, you can work faster, safer, and more profitably.

Also check out our other three blogs about OLED: 1, 2, 3.

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FDX LITE

To offer our customers an affordable option, we introduce FDX Lite. These screens have an HD resolution and provide the best quality within this price segment. While we conduct strict quality controls, we have no influence on the production process. FDX Lite screens come with a factory warranty, but damage to the interior of the screen is not covered by the warranty.

Features	FDX LITE
Pixel resolution	High Definition (HD)
Refresh rate	Fast response
Includes	Camera holder, earpiece mesh and proximity bracket
Temperature	Low and controlled
360° Polarized	Supported
Oil resistant coating	Supported
Anti-glare	Supported
Front Glass	Anti-dust and fingerprint oil
Inspection	Tested before shipment
Warranty	Covered

Service Pack

These parts are original and manufactured in a certified environment by the original manufacturer of the device.

Pulled

These parts are 100% authentic and undergo rigorous testing and inspection after being removed from an original pre-owned device.

Refurbished

These parts have been removed from an original pre-owned phone, but the front glass has been replaced with a glass equivalent to the original, while all other materials have remained authentic.

OEM-Equivalent

These parts are professionally assembled by a third party using equivalent components and materials to the original manufacturer.

FDX ULTRA

Soft OLED is a high-quality LTPS-OLED solution offering excellent value for money. Thanks to its flexible COP design, the display is thin, lightweight, and less prone to breakage, while delivering bright and vibrant visuals close to OEM-level quality. The touch response is fast and precise, and each batch is carefully tested for color, stability, and performance. This allows professional repair technicians to rely on consistent quality, high compatibility, and a dependable display that looks premium without the premium price tag.

FDX PRO

Hard OLED is an affordable OLED solution that combines bright, sharp image quality with strong price positioning. The rigid COF panel provides a solid construction that performs well in everyday use. Colors are vibrant, brightness is strong, and touch response remains accurate. Each batch is checked for stability, uniformity, and sensitivity, ensuring technicians can rely on consistent quality. Hard OLED is ideal for customers who want a competitive price without sacrificing reliable performance and visual clarity.

FDX ELITE

FDX Elite is our premium product, where we work closely with the manufacturer to optimize quality. We make improvements based on customer feedback and our own expertise. Due to our direct influence on the production process, we have full confidence in the quality. Therefore, we offer extensive warranty coverage on these screens: even damage inside the screen (which is normally not covered) is included. However, if damage is visible to the naked eye, whether inside or outside, the warranty becomes void. Our FDX Elite screen has an FHD+ resolution and will be the most expensive option due to its added value and extensive warranty. With this quality and service, we aim to provide a worry-free experience for our customers.

FDX PRIME

FDX Prime represents the standard in-cell quality, purchased directly from the manufacturer, just like other suppliers in the market. The choice of manufacturer depends on the quality of the production batch, and the products meet the highest in-cell quality standards in the market. FDX Prime screens have an FHD resolution and come with a regular factory warranty. This means that damage to the interior of the screen is not covered.