Ordered this DVR from aliexpress.
Aftrer receiving tried how it works.
It had software B40C.20151119.001 from Blueskyocean but GPS wasn`t work and DVR rebooted time to time.
Seller send me other software A118C.20151110 from Blueskyocean.
DVR started to see GPS but DVR rebooted too.
Tried...