
Hi everyone, welcome back to GEARDO.
Today, we will show you how to replace the rear and front cameras on the Samsung Galaxy S20 FE mobile phone.
You can also use this guide to replace the Logic Board on the Samsung Galaxy S20 FE Series phones.
Before starting, make sure you have the correct tools for this repair. You can find the full tool list in the description.
This repair guide based on Samsung Galaxy S20 FE 5G mobile phone, but it is also compatible with Galaxy S20 FE 4g & S20 FE 2022 models too.
Compatible Mode Numbers l SM-G781B, SM-G781B/DS, SM-G781U, SM-G781U1, SM-G781W, SM-G7810, SM-G781N, SM-G781V, SM-G780F, SM-G780F/DSM, SM-G780G, SM-G781NK, SM-G781NK22
How to Find Tools and Parts
👉 How to Use Tools for the Repair
Power off the device completely and remove the SIM tray before opening the phone.
The back cover is strongly glued, so heat is required to soften the adhesive.
We are using a heating pad:
You can also use a heat gun or hairdryer. Make sure to heat evenly around all four edges.
Use a suction cup to create a small gap between the back cover and frame.
Insert a plastic card pry tool and carefully cut through the adhesive around the edges.
Lift the back cover gently and place it aside.
Change Cracked Camera Lens in This Step
Undo the nine screws holding the main board frame.
Use a pry tool to lift the wireless charging coil—slowly cut the adhesive under it.
As you raise the frame:
Remove the full frame and pad assembly from the phone.
To take out the logic board:
Use tweezers or a plastic pry tool to gently lift and remove the logic board.
The Samsung Galaxy S20 FE comes with:
On the front side of the logic board:
On the rear side of the logic board:
Remove all faulty cameras from their positions.
Place the new replacement cameras onto the logic board.
Ensure each module sits correctly in its slot.
Reconnect the camera flex cables securely on both sides of the board.

Position the logic board back into the frame.
Add the securing screw.
Reconnect the three antenna cables and the main flex cable.
Reconnect the battery connector.
Place the main board frame and wireless charging coil back into the body.
Press gently on the wireless coil to ensure its connector is fully engaged.
Secure everything with the nine screws.
Check the back cover adhesive.
If weak, apply B7000 glue or use a new double-sided back cover adhesive.
Place the back cover onto the phone and press firmly.
Use binding clips or rubber bands to hold the back cover tightly in place.
Leave them for a while to ensure the adhesive bonds properly.
Your Samsung Galaxy S20 FE camera replacement is now complete.
We hope you enjoyed this repair guide.
If you have any questions, feel free to ask in the comments.
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Yes, you can replace the S20 FE cameras at home if you have the proper tools and follow a detailed step-by-step guide. Heating the back cover and handling the logic board requires patience.
You will need a heating pad or heat gun, suction cup, plastic card/pry tools, Phillips screwdriver, tweezers, and B7000 or back-cover adhesive.
The S20 FE has three separate rear camera modules:
For most people, it takes 20–40 minutes, depending on your experience with smartphone repairs.
If you purchase original OEM camera modules, the quality will be the same. Cheap non-original parts may reduce focusing accuracy or picture clarity.
Yes, most camera modules are interchangeable, but always check the seller’s compatibility list before purchasing.
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