咁多位ching有兩個問題想問下
1.我同大學生買佢話有得上網取消逐mb扣錢既功能但我搵唔到,請問要點取消?
2.我有部g4單卡同 lumia 640 (at&t),baseband如下:
G4:
- 支援 FDD-4G LTE 頻段: B1 (2100)、B3 (1800)、B4 (1700/2100 AWS)、B5 (850) 、B7 (2600)、B8 (900)、B17 (700) 、B28 (700 TW)
- 支援 TDD-4G LTE 頻段: B40 (2300)
- 支援 3G WCDMA : 850 / 900 / 1900 / 2100
- 支援 2G GSM 四頻 850 / 900 / 1800 / 1900
Lumia 640:
GSM:
850, 900, 1800, 1900 MHz
UMTS:
850, 900, 1700/2100, 2100 MHz
FDD LTE:
700 (band 12), 700 (band 17), 700 (band 28), 850 (band 5), 1700/2100 (band 4), 1900 (band 2), 2600 (band 7) MHz
請問係咪代表呢兩部機得g4可以用到從化卡既4g B40 (2300)?
唔該哂! |