As shown in Samsung's aftermarket OLED screen QC test video (test model Samsung Galaxy S21). Touch functions, color saturation, and more testing are all perfect, but it has a shadow that shows in white and green color screen tests. Even if that shadow is barely visible and will not be affected by daily use. Unfortunately, this screen still cannot pass our rigorous QC test.
As a representative of high-end after-sales quality, hsylcd always maintains strict QC, and each product will undergo a series of tests before delivery to provide you with worry-free after-sales service.Look How We Conduct the Samsung OLED Screens QC
As shown in Samsung's aftermarket OLED screen QC test video (test model Samsung Galaxy S21). Touch functions, color saturation, and more testing are all perfect, but it has a shadow that shows in white and green color screen tests. Even if that shadow is barely visible and will not be affected by daily use. Unfortunately, this screen still cannot pass our rigorous QC test.
As a representative of high-end after-sales quality, hsylcd always maintains strict QC, and each product will undergo a series of tests before delivery to provide you with worry-free after-sales service.Have any questions or needs? Please fill out the contact form below, and our customer service team will get in touch with you as soon as possible to provide help and support. Thank you for your attention and support!
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We offer a comprehensive portfolio of high-quality replacement parts, rigorously tested for reliability.

Smartphone Displays
Original, OEM, and Aftermarket LCD & OLED screens for iPhone and Samsung. Perfect touch response and color accuracy.

Tablet & Laptop LCDs
High-resolution display modules for iPad, tablets, and notebooks. Durable and long-lasting performance.

Smart Wearables
Compact LCD/OLED screens for smartwatches and fitness trackers. High brightness and low power consumption.