This is the information posted by PhoneArena.com on July 14,2016. These are the supported 2G/3G/LTE Bands for the Meizu MX6:
GSM:
850, 900, 1800, 1900 MHz
UMTS:
850, 900, 1900, 2100 MHz
FDD LTE:
800mHz (band 20)
1800mHz (band 3)
2100mHz (band 1)
2600mHz (band 7)
Nano SIM: Yes
Multiple SIM cards: 2 slots
Looks like all you get is LTE Bands 1, 3, 7 and 20. Hope this helps.