used in good working

Type4G:

FDD-LTE: B1/B3/B5/B7/B8/B20/B28 (2100/1800/850/2600/900/800/750 MHz)

TDD-LTE: B38/B40/B41 (2600/2300/2500 MHz)

3G: HSPA/UMTS: B1/B5/B8 (2100/850/900 MHz)