i want to buy a second hand wiiu but the region is come from japan... seller said: the language is japan but you can play english game fine... he offer the wii u is ready to play with backup loader... but my question is: 0. can i update the console to the last firmware when it was hacked? 1. can i change the wiiu main language to english? 2. is that safe to play online when the wiiu was hacked? 3. can i add more games with external hdd/usb? 4. is that safe to buy a second hand wiiu? [i mean about the risk of broken] thanks!