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Cant' send/receive MMS over Wifi?

Discussion in 'Android Devices' started by CJBullitt, Jan 10, 2010.

  1. CJBullitt

    CJBullitt Member
    Thread Starter

    Ok is it normal to not be able to send or receive MMS in WiFi only mode?? Soon as I throw on 3G all works, but turn it off and just run WiFi and nothing happens. Any solutions?

  2. bjf88

    bjf88 Android Enthusiast

    Well... I only have a basic understanding of wireless technology, but from what I know, wifi is a wireless internet connection. It has nothing to do with your cell phone provider's network (1X/3G).

    When you turn off the "mobile network" on your phone, it becomes a handheld laptop, essentially. Hope that helps!
  3. erisuser1

    erisuser1 Android Expert

    It sure looks like that is the case. I don't know if if that is typical for a carrier or not. I tried it two ways: (a) only WiFi on, and (b) both WiFi and Mobile network on. In the former case, it blocked until I turned the mobile network on, and in the latter case, it delivered immediately.

    It appears that when you send a MMS message, something happens so that the "rmnet0" (Mobile network interface in Linux kernel-speak) interface is brought up temporarily - just long enough to transmit the message to the MMSC server - and then brought back down again. (Whether or not the WiFi interface is still routing packets during this time, I don't know).

    That must be the case - you can't even find DNS entries for mms.vtext.com (the Verizon MMSC servers) in the public DNS - only when you use a Verizon DNS server from within their own network can you get a successful DNS name-to-IP (A) record lookup.

  4. CJBullitt

    CJBullitt Member
    Thread Starter

    3G it is thanks everyone.
  5. twalsh3

    twalsh3 Newbie

    Just to confirm, MMS can not be sent over Wi-Fi. The phone must have access to a carrier's network (its own or roaming) to send. The MMSC has a list of acceptable IP ranges to accept from and well when using Wi-Fi, it is not on that list :). Plus if it did send over Wi-fi, the MMSC would not be able to identify correctly where the message is coming from and will not know whether it is a true message or spam.
  6. hob0d4n

    hob0d4n Well-Known Member

    Is it possible to dl attachments?
  7. Caddyman

    Caddyman Android Expert

    on mms messages? no

    on emails? yes
  8. twalsh3

    twalsh3 Newbie

    Correct :).
  9. absolutebica

    absolutebica Member

    Just realized this is the same problem for me.

    I am now also on the 150mb monthly data plan...so even though I have unlimited text messaging and voice...am I using my data plan to download images over messaging?
  10. Caddyman

    Caddyman Android Expert

    i would say yes
  11. doogald

    doogald Extreme Android User

    I'd call Verizon if I were you just to make sure.
  12. The Batman

    The Batman Newbie

    I also have the same issue, however, I keep both connections activated. Yet for some reason I must always turn off my WiFi connection to send or receive any MMS.

    Help with this would be really appreciated (unless of course, there is no other way around this).

    Thanks everyone.
  13. JohnnyBravo1000

    JohnnyBravo1000 Android Expert

    There is definitely a way around it, I'm just not sure what it is.

    I experience this problem occasionally, but I haven't done anything different.

    I have my phone connected to my wireless network via WiFi when I'm at home, and it's set up to switch to Mobile Date when no WiFi connection is available.

    However, if I receive an MMS while I'm connected via WiFi, it won't automatically switch to Mobile Date to retrieve the message. The same applies if I attempt to send a message.

    In my experience it seems to work as and when it likes.
  14. NUTZJ98

    NUTZJ98 Lurker

    I am currently using the Xperia X10 flashed 2.1. I was having the same problems as listed here. He is the work around I found. I had to enter ATT apn settings to get a connection to the web. Then I used a "download settings" tool found in the settings menu under sony ericsson. Now if you do anything with the network while it is downloading these settings it will fail. If you attempt to access the APN settings manually while it is doing this download, it will fail.

    After the network quits flashing that it's transferring. Give it several seconds to make sure it's absolutely done. Once it is. My mms works. My wifi works. My mms works while wifi is on. Browsing works.

    Pretty much everything is back to normal and working well. Depending on your software, I'm sure there is something like this on your phone.
  15. curlysarah

    curlysarah Lurker

    I know this is an old thread but just wanted to clarify that even though MMS uses data it is "unbilled data" and it will not count towards your data usage. At least I know this is true at Verizon, not sure about other carriers but would assume it's the same. Since you're paying for texting Verizon isn't going to double charge you and make you pay for data as well / the data you use is considered going against your text message allowance, not your data allowance.

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