Based on the teardown the Samsung Galaxy S20 has a repairability score of 7.0 out of 10. The positives include the battery cable and battery being easily accessible as well as the screen cable and screen being removable without removing too many components. The negatives include the use of adhesive for the back cover and battery.
Disassembly
Positive
Negative
Battery cable and the Battery are easily accessible.
Adhesive used for the Back cover.
Screen cable and the Screen can be removed without removing too many components.