1. Dustin Willis's Avatar
    I bought a clone galaxy s4 and am using it on straight talk att sim. I can only get 2g speeds. Phone network compatibilty is Network: 2G Network GSM 850 / 900 / 1800 / 1900 3G Network HSDPA 850 / 2100. Straight talk cant help me. Is there any thing i can do to get phone on 3g or 4g. Here is the listing for phone if this will help Wholesale I9500 - Buy Smarphone S4 I9500 N9500 Unlocked SIM Free Newest Android4.2.2 HD Super AMOLED 1920*1080 Screen Quad-core 4*1.7 GHz CPU 13MP+2MP WIFI GPS 3G, $250.0 | DHgate.
    09-23-2013 11:08 PM
  2. tytlyf's Avatar
    I don't see where the phone is 2100 frequency in it's specs. Looks like it supports only 2g/3g and no 4g.
    Try going into your Settings>Connections>More Networks>Mobile Networks>Network Mode
    09-24-2013 11:25 AM
  3. Cowboy8467's Avatar
    This from the description, it's hard to tell.

    General: 2G Network GSM 850 / 900 / 1800 / 1900
    3G Network HSDPA 850 / 2100

    SIM Support: micro sim card

    Announced: 2013, June

    Body Dimensions: 136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in)
    130 g (4.59 oz)
    - Touch-sensitive controls

    Display Type: HD Super AMOLED capacitive touchscreen, 16M colors
    Size: 1080 x 1920 pixels, 5 inches
    Multitouch: Yes 5
    - TouchWiz UI

    Sound: Alert types Vibration; MP3, WAV ringtones
    Loudspeaker: Yes
    3.5mm jack: Yes

    Memory Card: slot microSD, up to 32 GB
    Internal:2G RAM+4G ROM

    Data: GPRS: Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
    EDGE: Class 12
    Speed: HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
    WLAN: Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot
    Bluetooth: Yes, v4.0 with A2DP, EDR
    USB: Yes, microUSB v2.0 , USB On-the-go
    09-24-2013 12:07 PM
  4. Shadowtc's Avatar
    Are you on the at&t or T-Mobile Sim?

    Sent from my Nexus 4 using Tapatalk 2
    09-24-2013 01:04 PM
  5. Dustin Willis's Avatar
    att sim
    09-24-2013 03:54 PM
  6. Dustin Willis's Avatar
    under network mode it only has gsm/wcdma auto, wcdma only, gsm only. i have tried messing with it but when manually search for networks only finds home 2g network. we have 3g and 4g as well where i am at. From what i read it has to have 850 and 1900 frequencies both on wcdma to get 3g. I dont know if that is correct.
    09-24-2013 04:05 PM
  7. Shadowtc's Avatar
    under network mode it only has gsm/wcdma auto, wcdma only, gsm only. i have tried messing with it but when manually search for networks only finds home 2g network. we have 3g and 4g as well where i am at. From what i read it has to have 850 and 1900 frequencies both on wcdma to get 3g. I dont know if that is correct.
    Have you set up the at&t APN?

    Name: Straight Talk (just an identifier, can be whatever you want it to be)
    APN: tfdata
    Proxy: proxy.mvno.tracfone.com
    MMSC: http://mms-tf.net
    MMS proxy: mms3.tracfone.com
    MMS port: 80
    MCC: 310
    MNC: 410
    APN type: default,supl,mms

    FIELD SETTINGS
    NAME Straight Talk AT&T Old
    APN att.mvno
    PORT Not set
    MMSC http://mmsc.cingular.com
    MMS PROXY 66.209.11.33
    MMS PORT 80
    APN TYPE default,supl,mms

    FIELD SETTINGS
    NAME Straight Talk AT&T New
    APN tfdata
    PORT 80
    MMSC http://mms-tf.net
    MMS PROXY mms3.tracfone.com
    MMS PORT 80

    try those

    Sent from my Nexus 4 using Tapatalk 2
    09-24-2013 10:04 PM
  8. tytlyf's Avatar
    This from the description, it's hard to tell.

    General: 2G Network GSM 850 / 900 / 1800 / 1900
    3G Network HSDPA 850 / 2100
    There's 2 different descriptions on that page from what I can tell. The description near the beginning of the page doesn't mention 2100, but the lower one way down does. 2100 would be 4G I believe, but the phone only mentions receiving 2G/3G.
    09-25-2013 11:55 AM
  9. Dustin Willis's Avatar
    yes i did set up apn settings in 50 different ways. where i am at we have 1900mhz and i think this phone does not have. I do believe that some places uses 850mhz for 3g so i should get 3g there. Guess i am out of luck where i live. as its only 1900mhz which phone does not list having for hspda
    09-28-2013 05:30 PM
  10. Shadowtc's Avatar
    At&t Sim uses 1900 if you switch to the T-Mobile Sim I believe it uses the 2100 for 4g

    Sent from my Nexus 4 using Tapatalk 2
    09-30-2013 01:01 AM

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