Is there a way to check whether the moisture check is false positive? My S21 just popped up this warning and will not go away. I am absolutely certain the phone has not come in any contact with water.
I am suspicious because I recently traded in my S10+ to T-Mobile and we had a disagreement that their "depot" found water damage. I lost. It was hopeless "he says, she says" situation. Ugh...
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Good afternoon, I can certainly understand your frustration. Unfortunately there is not a way to test a false positive without repairs. Here are some steps you can try that may help: https://www.samsung.com/us/support/troubleshooting/TSG01001449/ However, if these steps do not help repairs would be your next step. You are welcome to give us a call at 1-800-726-7864 directly in order to go over your repair options.
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Press and hold Side key until you see Power Off - select it to power off the phone.
Now, off to the Maintenance (Recovery) screen:
Press and HOLD the Volume Up key, and while holding, press and HOLD the Side key.
When the Samsung splash screen appears, release both keys. Within a few seconds, you'll see the Maintenance screen, with a number of menu options.
Use the Volume Down key to highlight Wipe Cache Partition. Press Side key, select "Yes".
Now, Use Volume key to highlight "Repair Apps" (should be last menu option). Use Side key to select it.
The phone will automagically restart. Let the phone settle down for a couple of minutes.
... still get the message ?