Default Android 4.4.4 update without data loss KTU84P Grouper

hi guys,

i made a little script for a mate to update to 4.4.4 without a wipe.(nothing realy special)
i hope it will work for others too.
if you choose to root TWRP recovery will installed by my script.

bootloader must be unlocked.

Full -

English bat files
update -
update + root -
Mobile: - HTC One - HTC HD2
Tablet: - Nexus 7 (2012) - Galaxy Tab 3 7.0