I want to unban my 2ds but i don't have balls because i don't want brick my console it took 3 years more or less to buy this one. My question is formating or restore a nand backup can help?

No, it wont help. And if you follow the steps correctly, you wont brickI want to unban my 2ds but i don't have balls because i don't want brick my console it took 3 years more or less to buy this one. My question is formating or restore a nand backup can help?