I can confirm this.
HM2XTDPro_6.6.17_v8-5.1 does not work on Redmi 2 2014813. It gets stuck on the bootscreen with white MI logo (only MI logo, no android or dots at the bottom). This occurs even after a full wipe (dalvik/cache/data). Using TWRP 3.0.0
HM2XTD_6.6.17_v8-4.4 works fine on...