Hello,kokotas!
I flashed your newest CLK1.5.2.1 with TWRP v2.5.0.3,but I cann't go into recovery.
Then I flashed the CLK1.5.2.1 without TWRP and partitioned recovery with 10MB, flashed TWRP 2.5.0.5.But I still cann't go into recovery.It's stuck on the TWRP logo.
EDIT:
I have solved this problem...