This galaxy tablet was not working at all. The tablet had been submerged in water for more than 30 minutes. This is a common accident and we can often recover laptops and mobile phones that have been submerged in water or water was spilled over them.
If you spilled water on your phone I recommend you contact a professional service such LoreaTec and avoid trying to boot the phone. This is important because you may create a short and break the device beyond repair if you try to boot is while it has water impurities inside.
Please contact Loreatec for for more information about mobile phone water spill repair.