The Temple of Dagon

The best way to putting iPhone into recovery mode is with the tool which named Reiboot, the tool is totally free. Yes, you don't need to pay.
The method of use as follows:
1. Download Reiboot to computer.
2. Connect your iPhone to PC and launch Reiboot.
3. After ReiBoot automatically detect the condition of your iPhone. You can either click "Enter Recovery Mode", "Exit Recovery Mode" or use both according to the detecting result to reboot your iPhone.
Click here, you will get more tools about smart moible phone<<<

If you want to recover lost iPhone data, i would recommend you Free iPhone Data recovery. This software is designed to recover lost or deleted contacts, messages, videos, images, whatsapp messages, voicemail and more.
Read more about: How to recover iPhone WhatsApp messages?

iOS System Recovery Mac will be a good choice for you to enter or exit recovery mode. It is for all iOS users to fix iPhone, iPad stuck in recovery mode, blue/black/white screen, headphone mode, frozen screen, boot loop screen, iOS update failure, etc in seconds. To check its detail functions on Tuneskit.