The last thing you would want to run a bitcoin node on would be a tablet. The blockchain is like 700GB and growing every 10 minutes 😆. You also want your bitcoin node to be running 24/7. Its a bitch when your internet or power cuts out and you have to wait for the blockchain to download and sync. Buy a raspberry pi, 2TB harddrive, 32GB micro SSD card. Flash this operating system called "Umbrel" on to the micro ssd and you will have a bitcoin and lightning node running in no time or buy their umbrel home which saves you the time and effort of putting everything together. There is also Stark9 but I've never used it so I can't really comment. https://umbrel.com/umbrelos
This is the first time hearing of “Umbrel” it looks like a great product. I was looking to run the node on the iPad with an SSD attached. Ideally 24/7 is what is recommended however it would need updated since it wouldn’t be running all the time. I will probably pick up a complete “Umbrel Home”. Thank you!
Basically what your trying to do is remove the apple os and replace it with another one that allows you to run a node from what your describing. I personally would go the raspberry pi route or those cheap lower powered desktop computers you find in call centers. One problem you may run into when you have a exteneral drive, If you move the cable, it can fuck everything up and you may have to restart the entire device lol. I know from first hand experience with my node.