we compare 2 models of huawei b315 , it is using same hardware / software. only different is both model having different 4G frequency , 3G frequency is same
HUAWEI B315s-22: 4G LTE B1/B3/B7/B8/B20/B38 (FDD 800/900/1800/2100/2600MHz & TDD 2600Mhz) 3G BAND: DC HSPA+,HSPA+, HSUPA/HSDPA/UMTS/900/2100 MHz GSM BAND : 850 / 900 / 1800 / 1900 MHz HUAWEI B315s-607: 4G Band B1/B3/B7/B8/B28/B40 (FDD 700/900/1800/2100/2600 & TDD 2300Mhz) 3G BAND: DC HSPA+,HSPA+, HSUPA/HSDPA/UMTS/900/2100 MHz GSM BAND : 850 / 900 / 1800 / 1900 MHz
we see it is slightly different 4g frequency use compare 2 models
the 2 models above is able work malaysia internet service provider .