Unlocking Disables Fingerprint Sensor? & Other Questions

[gogglebot]

Hi, been a while,
Last posted here regarding replacing the vendor ROM on my snapdragon note 3,
I've gained permission to unlock my device but I was too busy to risk destroying my device at the time, having just got around to downloading the unlock tool it says that my fingerprint sensor will be disabled by the unlock?
I use it frequently so this is annoying, will it be returned once I flash one of your/official ROMs?
Also, what data will be lost by a flash?
Apps, photos etc, hidden folders?
I've come not to trust this ROM,it seems identical to normal but who knows? *Tinfoil hat, activated*
Thanks everyone
G

 

[ZoXoR]

I've read that it is not an issue... but I cannot tell from my own experience. I am still on locked bootloader.

Here's what I found on en.miui.com: http://en.miui.com/forum.php?mod=viewthread&tid=274472&highlight=fingerprint+unlocked

 

[Paprika714]

Well, after you unlock you can always lock back everytime you want.
Otherwhise, unlocking doesn't disable your FP sensor. My device is unlocked with Radon Kernel and SuperSU-v2.76 installed all works fine, FP sensor works. (Do NOT install SuperSU 2.46, FP won't work)

 

[gogglebot]

Well, after you unlock you can always lock back everytime you want.
Otherwhise, unlocking doesn't disable your FP sensor. My device is unlocked with Radon Kernel and SuperSU-v2.76 installed all works fine, FP sensor works. (Do NOT install SuperSU 2.46, FP won't work)

Great, thanks!
What's this radon kernel I keep hearing about?
What was up with 2.46? Just a bug?