Black Wireless APN settings for vivo X21 UD
vivo X21 UD is compatible with Black Wireless HSDPA and Black Wireless LTE 50%.
Black Wireless Internet & MMS APN settings
In your vivo X21 UD app drawer, go to Settings Connections Mobile networks Access Point Names
Add a new APN by pressing ADD on right top corner. If vivo X21 UD has already set values for Black Wireless 2 for any fields below leave them. Change others as below.
Name: Black Wireless 2
MMS proxy: 184.108.40.206
MMS port: 80
Authentication type: PAP
APN type: default,mms,supl,agps,fota
APN protocol: IPv4
APN roaming protocol: IPv4
APN PPP phone number: Not set
Restart your vivo X21 UD to apply Black Wireless 2 APN settings.
For vivo X21 UD, when you type Black Wireless APN settings, make sure you enter APN settings in correct case. For example, if you are entering Black Wireless Internet & MMS APN settings make sure you enter APN as att.mvno and not as ATT.MVNO or Att.mvno.
Black Wireless MCC-MNC values
vivo X21 UD compatibility with Black Wireless
vivo X21 UD is compatible with below network frequencies of Black Wireless.
|HSDPA||850 MHz, 1900 MHz|
|LTE||Band 2 1900 MHz, Band 5 850 MHz, Band 40 2300 MHz*|
Explain vivo X21 UD compatibility with Black Wireless
Black Wireless 3G APN with vivo X21 UD
vivo X21 UD supports Black Wireless 3G on HSDPA 850 MHz and 1900 MHz.
Black Wireless 4G LTE APN with vivo X21 UD
vivo X21 UD supports Black Wireless 4G on LTE Band 2 1900 MHz, Band 5 850 MHz and Band 40 2300 MHz only in some areas of United States.
Overall compatibililty of vivo X21 UD with Black Wireless is 67%. The compatibility of vivo X21 UD with Black Wireless, or the Black Wireless network support on vivo X21 UD we have explained here is only a technical specification match between vivo X21 UD and Black Wireless network. Even vivo X21 UD is listed as compatible here, Black Wireless network can still disallow (sometimes) vivo X21 UD in their network using IMEI ranges. Therefore, this only explains if Black Wireless allows vivo X21 UD in their network, whether vivo X21 UD will work properly or not, in which bands vivo X21 UD will work on Black Wireless and the network performance between Black Wireless and vivo X21 UD. To check if vivo X21 UD is really allowed in Black Wireless network please contact Black Wireless support. Do not use this website to decide to buy vivo X21 UD to use on Black Wireless.
vivo X21 UD network specifications
|OS||Android 8.1 (Oreo)|
|Network bands||GSM / CDMA / HSPA / LTE|
|Network frequencies||GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2|
HSDPA 850 / 900 / 1900 / 2100
LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
CDMA 800 & TD-SCDMA