Unfortunately, you can't because you need Obsidian and in order to get that, you need a diamond pickaxe to mine the Obsidian.
In order to to the nether you need a portal.
make a wall around lava and tip water in it and repeat it to make a nether portal shape
No, diamond ore is only found in the regular world. The only blocks you will find in the Nether include netherrack, glow stone, lava, soul sand, flint, cooked porkchop, and gunpowder.
Yes. There are minecraft servers that have skyblock with nether enabled that are cracked.
A Nether portal is an obsidian structure that can transport players to or from the Nether dimension. USB doesn't come into it anywhere. The 'Minecraft USB nether portal' is just a YouTube fake.
No
In order to to the nether you need a portal.
make a wall around lava and tip water in it and repeat it to make a nether portal shape
An iron pickaxe, but gold is pretty useless excpet for these things: Golden Apple Golden Carrot Netherite (In Nether Update) All tools have good damage but run out too quickly.
you mine obsidian with diamond pickaxes
There are no such things as nightmares without mods
No, diamond ore is only found in the regular world. The only blocks you will find in the Nether include netherrack, glow stone, lava, soul sand, flint, cooked porkchop, and gunpowder.
YOU can find the nether hell in minecraft of corse
There is no way to get to the Nether World, in minecraft PE. The only thing you can do is make a Nether Reactor Core. See related link.
Use a fire charge to light the portal
No, nor can you in survival. The Nether Reactor of Minecraft PE is not the same as the Nether in the PC or Xbox versions. Nether reactors only work in survival (intentional)
Yes. There are minecraft servers that have skyblock with nether enabled that are cracked.