Reading through what troubleshooting steps you've gone through you've definitely hit a lot of routes so lets check a few things. you unfortunately don't have any Dr. Debug LED's on that motherboard from what i've seen. I don't want to really believe the GPU is the culprit but do the fans spin to life at all when you try to first boot? Have you made sure all cables to and from the PSU are seated properly? have you tried checking the CPU's pins or swapped out the CPU for another? if you cannot do the last statement (swapping), could you remove the cooler, clean the paste and feel if the CPU heats up at all with your fingers when you power it on? (you can do this just don't have the system on for longer than 15-20 seconds) If none of the above, the worst case scenario off the bat is a motherboard fault whether it be a power delivery issue or something else.

it may have disconnected the wires that connect its charger to the battery or suffered even more damage. Unfortunately, Apple Pencils are basically unrepairable since they are entirely sealed as mentioned on the iFixit Teardown for this device: "The pencil is clearly not meant to be opened or repaired; you can't get inside without destroying the device." you'll have to either have to get apple to replace it or just buy a new one

It sounds like unfortunately, the only ways to interface with the phone has been too damaged and would need to be replaced to get access to any of your data. if you only care about getting the data without taking it anywhere, repairing it yourself really the only suggestion I have. the charging port would have to be replaced alongside the screen alongside hoping no other internals were harmed. A screen shouldnt be too hard to find on ebay, but as for the charging port, that appears a little more difficult to deal with as you will have to desolder the damaged one from the phone's mainboard and resolder the new one. If you are willing to put up with that I did find a video here of a channel that did a quick disassembly of the phone to replace the charging port. https://www.youtube.com/watch?v=sF40hckx...

Yep! there shouldn't be any incompatibilities when upgrading your storage drive to an SSD. A storage drive is normally always compatible as long as you get the right Form factor that fits in its designated slot

Hey there! A couple simple options that can probably get that out would probably be some hot glue (if you're careful) in the slot to stick to the metal piece that's stuck and pull it out when it cools. Otherwise if you're good with fine pointed tweezers or possibly a safety pin to push on the latch that locks the connector into the tablet, you may be able to get it out with patience

From your description, it sounds like it's definitely not charging like it should be if it wont power on/go back to boot looping when you unplug it. I'd more than likely say that yes the battery is probably defective, but i cant say for sure that alone replacing would fix the boot looping issue. after a battery replacement (and if it does continue bootlooping) you could try and see if you cant Force Restart the ipad or get it into DFU mode and reset it through itunes connected to a pc (I believe it's holding the Home Button + Power Button for 10 seconds) If your dad's apple account is connected to it, he'll have to remove it himself to re-activate the ipad if the above does not work it may well be that there is possibly another hardware/software issue at fault and that would have to be found out

Heya! Didnt see it mentioned in the thread so just in case, did you check the Spark Plug?

Heya! I have doubts the screw would cause the laptop to not power on. Does the laptop power on while it is plugged into a charger? (Such as any little led's or the screen lighting up) If that's the case it may be the battery that's bad and should be replaced. If there are no signs of led's lighting up and it wont power even while plugged into a cable, the motherboard may no longer be working and would need to be replaced there is a slight chance that if the laptop was opened before, the missing screw "could" be inside the casing and shorting it out. Hope any of this helps!

That definitely shouldn’t be bent like that, I suppose you can Try very carefully bending it back in place with a very small tool as a solution and see if that works, other than that, completely replacing that connector entirely may be possible, though it is directly connected to the mainboard.

Definitely sounds like the screen was damaged in some way either during shipping or other means. I would return it for a replacement.