Nobody can guarantee waterproofness of a phone after repairing it. Your best bet is to use the original back cover adhesive.
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Pretty sure Samsung has that hardware test hidden menu which you can access from typing the secret dial codes that allows you to test the air pressure inside the phone for waterproofness. If the air pressure changes when applying pressure at back or front of screen then it's not waterproof.
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Pretty sure Samsung has that hardware test hidden menu which you can access from typing the secret dial codes that allows you to test the air pressure inside the phone for waterproofness. If the air pressure changes when applying pressure at back or front of screen then it's waterproof. If it doesn't change then it's not.
Nobody can guarantee waterproofness of a phone after repairing it. Your best bet is to use the original back cover adhesive.
Pretty sure Samsung has that hardware test hidden menu which you can access from typing the secret dial codes that allows you to test the air pressure inside the phone for waterproofness. If the air pressure changes when applying pressure at back or front of screen then it's not waterproof.