Iphone 5 from SPRINT cannot send SMS with GSM Sim outside US

Hi admin support Apple
I have purchased Iphone 5 Sprint U.S..Before Vietnam has conducted open network and is used normally.after Vietnam I put sim Viettel normal user functions (Voice, SMS, 3G, IMessage, FaceTime by Apple ID). But after reset to manufacturer's default is still used.but do not send SMS with GSM in Vietnam
I tried doing the following steps:
Reset Content and All Setting.
using MMS
Disable IMessage.
Changing SMSC number
But there is not.
Information on a computer that is running:
Modem: MD656LL
Serial Number: DNPJG8NUF8GH
EMEI: 99 000226 455839 4
MEID: 99000226455839
Looking forward to the support from Apple
Thank you!

Well yes, you probably will have problems with your phone because a 'contract free' phone is NOT the same as a fully unlocked iPhone.
This is a user forum, so nobody here can really help you.  As Sprint is your carrier in the US, then you need to contact them first.  They are the only ones who can help you.

Similar Messages

  • HT201407 My iPhone from SPRINT cannot send SMS and 3G when Outside US

    Subject: My iPhone from SPRINT cannot send SMS and 3G when Outside US
    I buy a Sprint iPhone in the U.S. price No-Contract (Full Price -> 649 + taxes)
    I asked the seller that uses outside of the United States ? The seller confirmed using ok
    I am unable to use the message SMS and 3G at VIET NAM with carrier VN MOBIFONE
    I am is not activated is FaceTime anh IMessage with phone number +84906646492
    Use the normal Voice, 3G, iMessage, Facetime when using APPLE ID
    Model : MD667LL/A
    Serial Number : F17JF5VCF8GM
    IMEI / MEID : 99000226901335

    Well yes, you probably will have problems with your phone because a 'contract free' phone is NOT the same as a fully unlocked iPhone.
    This is a user forum, so nobody here can really help you.  As Sprint is your carrier in the US, then you need to contact them first.  They are the only ones who can help you.

  • HT4993 My iPhone from SPRINT cannot send SMS and 3G when Outside US

    I buy a Sprint iPhone in the U.S. price No-Contract (Full Price -> 649 + taxes)
    I asked the seller that uses outside of the United States ? The seller confirmed using ok
    I am unable to use the message SMS and 3G at VIET NAM with carrier VN MOBIFONE
    I am is not activated is FaceTime anh IMessage with phone number +84906646492
    Use the normal Voice, 3G, iMessage, Facetime when using APPLE ID
    Model : MD667LL/A
    Serial Number : F17JF5VCF8GM
    IMEI / MEID : 99000226901335

    Well yes, you probably will have problems with your phone because a 'contract free' phone is NOT the same as a fully unlocked iPhone.
    This is a user forum, so nobody here can really help you.  As Sprint is your carrier in the US, then you need to contact them first.  They are the only ones who can help you.

  • My iPhone from SPRINT cannot send SMS when Outside US

    I buy the Sprint iPhone in the U.S., at the Apple store, stating you were asked to thoroughly sellers use outside the United States is not?
    I can't send SMS using SIM in Vietnam with the network ...
    I can't active imessage & facetime and not work 3G EGDE
    iphone about:
    model: MD656LL
    serial: F17JKA3F8GH
    IMEI: 990002305085563
    MEID: 99000230508556
    I Try this steps not working:
    Reset Content and All Setting.
    Using MMS.
    Disable iMessage.
    Changing SMSC number.
    Please Help, thanks

    Frist i am going to ask that this post is edited for your safety. YOU shouldnt post your meid and serial number ect. Second you would want to talk to the carrier because your on a carrier network that isnt normal a supported carrier.

  • HT4993 My iPhone from SPRINT cannot send SMS when Outside US

    Hi,
    I ask my friend to help me to buy the IP5 with Carrier Sprint in US - No Contract with (Full Price --> 649 +taxes)). He asked the seller that the IP5 could use outside USA or not and seller said : yes.
    After using IP5 in Vietnam with Viettel Network, I can't use SMS, Imessage or Facetime with 3G but it is ok with WIFI and apple ID.
    I just wonder what happen with my IPhone please help me check it :
    Model : MD668LL
    SerialNumber : F1******8GN
    Before sending the email to you my friend also ask me for testing as the following actions:
    Reset Content and All Setting.
    Using MMS.
    Disable iMessage.
    Changing SMSC number.
    Thank for helping me and wait your responding
    Kehamchoi
    <Personal Information Edited by Host>

    Frist i am going to ask that this post is edited for your safety. YOU shouldnt post your meid and serial number ect. Second you would want to talk to the carrier because your on a carrier network that isnt normal a supported carrier.

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