Hacking Region changed Wii Shop and System Update

[Sonic0509]

I have Wii 4.2E with region-changed Shop Channel. Is it safe to update to 4.3?
HBC is 1.0.8 and bootmii is installed as boot2.

I forgot to select question's section. Sorry. Thanks for moving.

 

[mauifrog]

That should be fine, but not necessary.