XA2 Plus H4493 hanging (green light)

REPRODUCIBILITY (% or how often): very often, 1-2x / day
BUILD ID = OS VERSION (Settings > About product): 4.2 / 4.3 / 4.4
HARDWARE (XA2, X10, X10 II, …): XA2 Plus H4493
UI LANGUAGE: EN
REGRESSION: (compared to previous public release: Yes, No, ?): Yes

DESCRIPTION:

Since Update to 4.2 my XA2 Plus H4493 often hanging on black screen and only green light is blinking, when i try to press power button shortly. I need to completly reboot the phone

PRECONDITIONS:

STEPS TO REPRODUCE:

  1. With 4.1 the Problem was not present. After Update to 4.2, 4.3 and later 4.4 (cbeta) the problem persist.

EXPECTED RESULT:

Phone works normal

ACTUAL RESULT:

Phone hanging in black screen and blinking green light.

ADDITIONAL INFORMATION:

Android Aliendalvik is disabled.
Open (Active Apps) Amazfish, Fernschreiber (Telegram), Piepmatz (Twitter)