Water Intrusion Recovery

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shellscape

Member
Dec 18, 2011
44
3
Howdy. I've got a TMo S10e that suffered water intrusion through the SIM slot (failed seal). The phone initially reported that the sd card was removed unsafely, and then mobile data went. I hadn't realized it was water intrusion at that time, as the phone's been really solid all these years. I attempted to reboot to resolve the issues and the phone entered safe mode. Following the on screen instructions I restarted to get out of safe mode. That's when the boot looping started. The phone will start, full screen is visible, safe mode label is visible in the lower left of the screen. After approx 5 seconds the phone will reboot and enter safe mode again, only to repeat the process until the battery is drained. When the battery was initially drained I removed the SIM tray and found the intrusion. Into a bag of rice it went.

After 24 hours in a bag of rice visible condensation (camera lenses, etc) is gone. I attempted to give it a minimal charge to start the phone and on powering up the same boot loop is present. In the 5 seconds before the forced reboot I'm able to swipe up to unlock and enter one digit. I'm guessing that this is moisture in a button or a button contact has been eroded. I'm crossing my fingers that it's not memory corruption. Google backup and SMS Backup had both been failing for months silently, and there is some misc data I'd like to recover that wasn't saved to the removable sd card.

Holding volume down and power should have booted me into recovery I though, but I'm presented with a screen that endlessly prints "SD Card selected by key input" to the screen.

I've done a lot of custom OS installs in years past and while it's been a minute, I've dabbled with adb. I'm hoping that it'll eventually dry out and allow me access, but I'm not holding my breath. Are there any methods that are available to extract data from this phone in this condition?
 

blackhawk

Senior Member
Jun 23, 2020
13,260
5,666
Samsung Galaxy Note 10+
Rice doesn't work!
Power it down and leave it off.
Remove rear cover and disconnect the battery asap. Powered buses accelerate corrosion, a lot.

Put in adry warm to hot room on it's side with a strong fan on it for at least 48 hours. More is better.
Anhydrous isopropyl alcohol can be used, carefully, to absorb water. Don't get it in the cams or between the display/glass. Drain it away immediately then dry as above.
 
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shellscape

Member
Dec 18, 2011
44
3
Rice did manage to get a fair chunk of the water, but it definitely didn't get it all. All the shops were closed until Monday late morning so it was worth a shot.

Took it to a local shop with a good reputation. They identified the buttons as the issue with safe mode, opened it up and dried out what remained of the water inside and left it open overnight. New buttons were installed the next day and it exited safe mode, connected to wifi and I was able to initiate a backup for the data I couldn't get at via ADB.
 

V0latyle

Forum Moderator
Staff member
Rice doesn't work!
Power it down and leave it off.
Remove rear cover and disconnect the battery asap. Powered buses accelerate corrosion, a lot.

Put in adry warm to hot room on it's side with a strong fan on it for at least 48 hours. More is better.
Anhydrous isopropyl alcohol can be used, carefully, to absorb water. Don't get it in the cams or between the display/glass. Drain it away immediately then dry as above.
Desiccants actually work pretty well, that's the whole idea with the "bag of rice" thing. However, rice can be pretty dusty, which is why I always recommend silica beads instead. Silica rescue packs are available on Amazon.
 

blackhawk

Senior Member
Jun 23, 2020
13,260
5,666
Samsung Galaxy Note 10+
Desiccants actually work pretty well, that's the whole idea with the "bag of rice" thing. However, rice can be pretty dusty, which is why I always recommend silica beads instead. Silica rescue packs are available on Amazon.
The phone needs to be opened up and the battery disconnected asap.
Passive air circulation is ineffective. Forced warm/hot air is needed. Heat effectively displaces water. The longer it takes to dry, the more corrosion damage. BGA chipsets and the power controller circuit are particularly susceptible. BGA contacts are inaccessible. Ribbon cables may need to be removed; their contacts can also be damaged especially if under power.

I provided the best shot to resolving this problem. Water damage is insidious and the device may fail eventually even if promptly dried. Time is of the essence; sooner is better. Best to pull the battery within minutes of water exposure and start the drying process. AMOLED's will be destroyed if exposed to water vapor.

Anhydrous isopropyl alcohol carries risks like leaving a residue on the display glass but removes water instantly. Never use methanol alcohol.
Never use isopropyl alcohol or any solvents around LCD displays, it will poison and destroy them.
 

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    Desiccants actually work pretty well, that's the whole idea with the "bag of rice" thing. However, rice can be pretty dusty, which is why I always recommend silica beads instead. Silica rescue packs are available on Amazon.
    The phone needs to be opened up and the battery disconnected asap.
    Passive air circulation is ineffective. Forced warm/hot air is needed. Heat effectively displaces water. The longer it takes to dry, the more corrosion damage. BGA chipsets and the power controller circuit are particularly susceptible. BGA contacts are inaccessible. Ribbon cables may need to be removed; their contacts can also be damaged especially if under power.

    I provided the best shot to resolving this problem. Water damage is insidious and the device may fail eventually even if promptly dried. Time is of the essence; sooner is better. Best to pull the battery within minutes of water exposure and start the drying process. AMOLED's will be destroyed if exposed to water vapor.

    Anhydrous isopropyl alcohol carries risks like leaving a residue on the display glass but removes water instantly. Never use methanol alcohol.
    Never use isopropyl alcohol or any solvents around LCD displays, it will poison and destroy them.
    1
    Rice doesn't work!
    Power it down and leave it off.
    Remove rear cover and disconnect the battery asap. Powered buses accelerate corrosion, a lot.

    Put in adry warm to hot room on it's side with a strong fan on it for at least 48 hours. More is better.
    Anhydrous isopropyl alcohol can be used, carefully, to absorb water. Don't get it in the cams or between the display/glass. Drain it away immediately then dry as above.