Both B618s22d and B618s65d is same model
Only different for both s22d VS s65d is 4G frequency
B618s22d 4G BAND: 4G: LTE FDD 800/900/1800/2100/2600MHz & TDD 2600MHz
B618s65d 4G BAND: 4G: LTE FDD 700/850/900/1800/2100/2600MHz & TDD 2300 MHz
MALAYSIA SERVICE PROVIDER
CELCOM / MAXIS / DIGI / UMOBILE : FDD 900 , FDD 1800 , FDD 2100 , FDD2600MHz
Below 2 service provider have special 4G Frequecy design, our recommendation as shown
UNIFI AIR : FDD 850 , TDD 2300 , TDD2600
YES4G : TDD 2300 , TDD 2600 , FDD 800 (NEW)
UNIFI AIR user is advise to choose B618s65D
YES4G user is advise to choose B618s22D (Mod Version)