United States
HSDPA
LTE

H2O APN settings for vivo X21 UD

      H2O   vivo X21 UD   Android

vivo X21 UD is compatible with H2O HSDPA and H2O LTE.

H2O Internet 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 H2O 1 for any fields below leave them. Change others as below.

Name: H2O 1
APN: att.mvno
Proxy:
Port:
Username:
Password:
Server:
MMSC:
MMS proxy:
MMS port:
MCC: 310
MNC: 410
Authentication type:
APN type: default,supl
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
APN PPP phone number: Not set

H2O 1 APN settings for Android 8 screenshot

Restart your vivo X21 UD to apply H2O 1 APN settings.

H2O 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 H2O 3 for any fields below leave them. Change others as below.

Name: H2O 3
APN: att.mvno
Proxy:
Port:
Username:
Password:
Server:
MMSC: http://mmsc.cingular.com
MMS proxy: 66.209.11.33
MMS port: 80
MCC: 310
MNC: 410
Authentication type:
APN type: mms
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
APN PPP phone number: Not set

H2O 3 APN settings for Android 8 screenshot

Restart your vivo X21 UD to apply H2O 3 APN settings.

H2O Wireless 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 H2O 2 for any fields below leave them. Change others as below.

Name: H2O 2
APN: att.mvno
Proxy: 66.209.11.33
Port: 80
Username:
Password:
Server:
MMSC: http://mmsc.cingular.com
MMS proxy: 66.209.11.33
MMS port: 80
MCC: 310
MNC: 410
Authentication type: None
APN type: default,supl,mms
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
APN PPP phone number: Not set

H2O 2 APN settings for Android 8 screenshot

Restart your vivo X21 UD to apply H2O 2 APN settings.

For vivo X21 UD, when you type H2O APN settings, make sure you enter APN settings in correct case. For example, if you are entering H2O Internet APN settings make sure you enter APN as att.mvno and not as ATT.MVNO or Att.mvno . If entering H2O Wireless APN Settings above to your vivo X21 UD, APN should be entered as att.mvno and not as ATT.MVNO or Att.mvno.

H2O MCC-MNC values

310-410

vivo X21 UD compatibility with H2O

vivo X21 UD is compatible with below network frequencies of H2O.

3G
HSDPA850 MHz, 1900 MHz
4G
LTEBand 2 1900 MHz, Band 5 850 MHz

Explain vivo X21 UD compatibility with H2O

H2O 3G APN with vivo X21 UD

vivo X21 UD supports H2O 3G on HSDPA 850 MHz and 1900 MHz.

H2O 4G LTE APN with vivo X21 UD

vivo X21 UD supports H2O 4G on LTE Band 2 1900 MHz and Band 5 850 MHz.

Overall compatibililty of vivo X21 UD with H2O is 100%. The compatibility of vivo X21 UD with H2O, or the H2O network support on vivo X21 UD we have explained here is only a technical specification match between vivo X21 UD and H2O network. Even vivo X21 UD is listed as compatible here, H2O network can still disallow (sometimes) vivo X21 UD in their network using IMEI ranges. Therefore, this only explains if H2O 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 H2O and the network performance between H2O and vivo X21 UD. To check if vivo X21 UD is really allowed in H2O network please contact H2O support. Do not use this website to decide to buy vivo X21 UD to use on H2O.

vivo X21 UD network specifications

OS Android 8.1 (Oreo)
Network bands GSM / CDMA / HSPA / LTE
Speed 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
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