This aftermarket Top Glass with OCA (Optically Clear Adhesive) is the front outer glass panel for the Samsung Galaxy S21 Ultra 5G SM-G998. Designed for professional repair technicians and refurbishers, it is the ideal solution for restoring devices with cracked, shattered, or scratched front glass where the underlying AMOLED display and touch digitiser remain fully functional.

The top glass is the outermost layer of the display assembly, protecting the AMOLED panel beneath. When cracked through impact or pressure, the display and touch functions often remain intact — making a glass-only repair a cost-effective alternative to a full screen replacement. The pre-applied OCA layer ensures a clean, bubble-free bond to the existing AMOLED panel when fitted using the correct equipment, delivering a factory-quality finish.

Common Faults Resolved

• Cracked, shattered, or splintered front glass
• Deep scratches or surface damage affecting visibility
• Glass separation from the display panel
• Cosmetic damage where display and touch remain operational

Key Features

• Part Type: Top Glass with OCA Pre-Applied (Aftermarket)
• Function: Outer protective glass layer bonded to the AMOLED display panel
• OCA Layer: Optically Clear Adhesive pre-applied for direct lamination
• Fit: Precision cut for the Samsung Galaxy S21 Ultra 5G (SM-G998)
• Display Size: 6.8 inch

Compatible With

• Samsung Galaxy S21 Ultra 5G - SM-G998B
• Samsung Galaxy S21 Ultra 5G - SM-G998B/DS
• Samsung Galaxy S21 Ultra 5G - SM-G998U
• Samsung Galaxy S21 Ultra 5G - SM-G998U1
• Samsung Galaxy S21 Ultra 5G - SM-G998W
• Samsung Galaxy S21 Ultra 5G - SM-G998N

What's Included

• 1 x Top Glass With OCA - Aftermarket (Samsung Galaxy S21 Ultra 5G SM-G998)

Important Notes

• Glass-only repair requires specialist lamination equipment including a separator machine, OCA laminator, and autoclave or defoaming machine. This part is intended for experienced technicians with the correct tools.
• Attempting this repair without the appropriate equipment is likely to result in damage to the AMOLED panel. Not suitable for general workshop use without lamination capability.

Disclaimer: This is an aftermarket component, not a genuine Samsung part. It is manufactured to compatible specifications and is intended for use by qualified repair professionals and trade technicians only.