For the save injection method you need to already have one of them, for the game injection method you can buy a cheap game that is still in eShop. Make sure you read all the warnings here: https://3ds.guide/installing-boot9strap-(dsiware)
You'll lose the data on your 3ds and if your friend has a nnid it'll be linked to your 3ds.
Oh that's fantastic he does not have an NNID.
Thank you very much.
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For the save injection method you need to already have one of them, for the game injection method you can buy a cheap game that is still in eShop. Make sure you read all the warnings here: https://3ds.guide/installing-boot9strap-(dsiware)
You'll lose the data on your 3ds and if your friend has a nnid it'll be linked to your 3ds.
Sorry to be a pain one more question and it's probably been answered.
Does the E on the end of the firmware indicate region?