unlock bootloader without lost data

hi,
I have Htc to bypass screen lock , I'd like know if unlocking Booltloader with Xtc not touch data ?

Quote:

Reading information... Using Fastboot mode... Reading common information (bootloader) kernel: lk (bootloader) product: htc_himauhl (bootloader) version: 1.0 (bootloader) serialno: FA67CYJ00633 (bootloader) current-slot: (bootloader) imei: xxxxxxxxxxxxxx (bootloader) version-main: 4.28.401.3 (bootloader) boot-mode: download (bootloader) version-baseband: 01.01_U114401011_117.00.61117G_2_F (bootloader) version-bootloader: 1.0.0.0000 (bootloader) mid: 0PJA10000 (bootloader) cid: HTC__102