Tablets

First, a terminology reality check: Fire tablets run Fire OS (a heavily modified Android fork). There's no "jailbreak" in the iOS sense. What you're actually looking for falls into three tiers, depending on your model and goals, Fire Toolbox, System-Level ADB Exploit, & True Root / Unlocked Bootloader.

Here's the complete iOS hacking methodology — everything from physical access to app exploitation to MDM attacks. This is a(n) article / guide on hacking iOS devices.

What kind of tablet are you working with? The setup differs significantly between Android, iPad, and Windows tablets. Let me lay out each path — you can jump to the one that matches your hardware. This is a guide on setting up a tablet for hacking.