Repair guide Galaxy S21 (SM-G991B) - English - Rev.1.0

Disassembly and Assembly

Reassembly for Back Cover, Display, and Charging Port Replacement Before reassembling: • Remove the adhesive tape residues perfectly. • Prepare all existing screws of this device and adhesive tapes for the back cover and front camera. • Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. • Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. • The product’s composition may vary depending on the country, region, or carrier. Preparing a New Display Module 1 Using the tweezers, remove the front camera hole protection film attached to the new display module. Be careful not to damage the near components.

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