BBK Vivo X21iA Dual SIM TD-LTE CN 64GB |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
May 2018 |
BBK Vivo X21iA Dual SIM TD-LTE CN 128GB |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
May 2018 |
BBK Vivo X21i Dual SIM TD-LTE CN 64GB |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
May 2018 |
BBK Vivo X21i Dual SIM TD-LTE CN 128GB |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
May 2018 |
BBK Vivo X21 UD Dual SIM TD-LTE IN 1728 |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
May 2018 |
BBK Vivo X21 UD Dual SIM TD-LTE HK SG |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
May 2018 |
BBK Vivo X21 UD Dual SIM TD-LTE CN 128GB X21UD A |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
March 2018 |
BBK Vivo X21 Dual SIM TD-LTE HK 128GB |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
May 2018 |
BBK Vivo X21 Dual SIM TD-LTE CN 64GB |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
March 2018 |
BBK Vivo X21 Dual SIM TD-LTE CN 128GB X21A |
4 |
GSM
2G, 2.5G
|
100% (2/2)
|
UMTS
3G, 3.5G, 3.5G (4G speed)
|
0% (0/1)
|
LTE
4G
|
0% (0/1)
|
5G NR
5G
|
0% (0/1)
|
|
March 2018 |