In order to get the iPhone out of the Apple logo loop, you can try DFU mode as below: Hold down the Home and Power buttons at the same time for 10 seconds. Then, release the Power button while holding the Home button for another 15 seconds.
You may try the following tips to rescue your water damaged iPhone: 1) Turn if off immediately if it is still on. 2) Dry it off with a towel or something similar. 3) Remove the battery, SIM card etc off the phone. 4) Put iPhone in a bowl of rice or in a bunch of silica packets. 5) Bury the iPhone and wait for a day or two. If that wouldn't work out, you can refer to the tutorial here: How to Recover Data from Water Damaged iPhone to save the data on that phone.
To get iPhone out of apple logo stuck, you can try DFU mode. If that doesn't work, I'm afraid the only way is to try out some data recovery tool to get it out. You may need the specific tutorial to do that: iPhone Stuck in Apple Logo & How to Fix
Yes, iPhone Data Eraser is absolutely the proper app to delete all types of iPhone data, including apps. If you are using Windows, I recommend you try this tutorial: How to Delete Apps on iPhone
The most important thing is to get the water out of your iPhone once it's dropped into water. Here are some useful tips to help you dry out your water damaged iPhone: 1) Fish your iPhone out of the water as quickly as possible. 2) Turn if off immediately if it is still on. 3) Dry it off with a towel or something similar. 4) Remove the battery, SIM card etc off the phone. 5) Put iPhone in a bowl of rice or in a bunch of silica packets. 6) Bury the iPhone and wait for a day or two. If you are lucky enough, you may get your damaged iPhone back in working order after 24 or 48 hours. If not, get it to maintenance center to repair. Source page: How to Fix Water Damaged iPhone
To get iPhone out of recovery mode, I'm afraid you'd turn to some professional software to help you. Or you can simply refer to the guidance here: iPhone Stuck in Recovery Mode & How to Fix
Hi, if your iPhone got stuck in recovery mode and can't be solved with DFU mode, you may try some software called iPhone data recovery. You can refer to the guidance here: iPhone Stuck in Recovery Mode & How to Fix to see whether it works fine for you.
Hi there, to force the iPhone out of Apple logo loop, you can try some app like Dr. Fone Data Recovery for iPhone by following the guide here: iPhone Stuck in Recovery Mode & How to Fix. It works sometimes but I can't guarantee it would work fine for yours. Good luck.