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General What's the difference between the 8150-B and 8150-D?

Discussion in 'Android Devices' started by rogerdecourcey, Feb 11, 2011.

  1. rogerdecourcey

    Thread Starter

    I have a Ideos 8150-D, I was wondering what the difference is between this model and the 8150-B.

    I think it's the CDMA frequencies it works on, but if someone could be more specific, that would be great.

    Cheers

    Rog :D
     

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  2. thel8elvis

    thel8elvis Member

    I believe the D is also sold as the tmobile comet, which means the '3g' frequencies the phone uses are 1700/2100 as opposed the 'B' which uses 900/2100.
     
  3. rogerdecourcey

    Thread Starter

    Thanks. Is your's a D then? I see you're in the US, so you'll have a US spec one I assume.

    It's printed on phone label under the battery.

    Cheers

    Rog
     
  4. thel8elvis

    thel8elvis Member

    Mine is B. Both are US compatible, just different 3g frequencies for ATT/tmobile

    More variables than I can explain, but you can start at the link below to see the various umts/hsdpa bands used around the world:

    List of UMTS networks - Wikipedia, the free encyclopedia
     
  5. alvaco13

    alvaco13 Lurker

    It's possible change from type B to D with software. Or you must change a filter or something like that in the divice?

    Thanks
     
  6. nu2andy

    nu2andy Android Enthusiast

    I asked Huawei this question:
    Content:Would you please explain what the differences are between the Ideos U8150B and the U8150D Smartphones.
    Huawei's reply:
    the same model customized by different service provider

    According to the Specs, both U8150B & U8150D are identical and will operate in 2G (GSM 850/900/1800/1900)
    3G (HSDPA 900/2100/AWS)
    HSDPA 850/1900/2100/1700.
    I am assuming from Huawei's reply that "B" phones are "locked" to the Network of the service provider as my "D" model was open to any Telco Provider I chose.
    I'm awaiting further info from Huawei and will Post when it comes. Neil.
     
  7. netskink

    netskink Lurker

    Hi,

    I have a B model and my phone does not work with T-Mobile 3G. Does this mean that T-Mobile does not use 2100 for 3G in my area? Is there anyway to fix this?

    John
     
  8. nu2andy

    nu2andy Android Enthusiast

    Hi John, the reply I got from Huawei said there was no difference between B & D IDEOS U8150 phones. What they tried to say was that the phone is "Service Provider" locked. ie, will only work with Vodaphone or TMobile or Verizon and need to be "unlocked" to work with any SP you choose.
    My observations would suggest that "B" is the locked version and "D" is not.
    To check whether your phone is "locked" follow this procedure:

    Dial *#*#2846579#*#*
    Select ProjectMenu
    Select 5 Network Setting
    Select 4 SIM card lock state query.

    It will then display SIMLOCK DEACTIVE for unlocked
    and NW LOCKED for Network Locked.

    Naturally, if NW LOCKED is displayed - you may need to pay to get it unlocked.

    I hope this is the answer you were seeking. Neil.;)
     
    netskink likes this.
  9. netskink

    netskink Lurker

    Thanks. The keysequence you mentioned does not work for me. After the last * it clears the dial pad entry dialog but does not go to a new screen. *#*#4636#*#* does work for me though.

    I talked to tmobile last night via phone. I thought the guy was speaking bs, but he said this phone does not work on 3G because it uses PPP protocol. He said it needs to use rmnet. And the only way to get this to work is to use a modified rooted firmware.
     
  10. nu2andy

    nu2andy Android Enthusiast

    Hi netskink, my sincere apologies - the last digit was wrong.:eek: :eek: I have edited this to read: *#*#2846579#*#*
    If you try this you will be able to find the status of your phone.
    Your sequence is to get info on the battery. Cheers Neil.;)
     
    netskink likes this.
  11. netskink

    netskink Lurker

    Hello Neil,

    Ok. Cool. This is good stuff to look at. The stats show its unlocked.

    Do you know if there is a doc on all this info? Or, if there i anything I can do here to tweak to get my 3G working?

    John
     
  12. nu2andy

    nu2andy Android Enthusiast

    Hi John, I would suggest you go to :HUAWEI IDEOS - Huawei Device Co., Ltd..

    If you look under > Smartphones > IDEOS U8150 > Downloads > FAQ's in PDF.
    I have Downloaded and printed out the User Manual and the FAQ's Manual and I find these lay out the process to use your phone and find out what it's doing.
    On your phone if you go > Settings > Wireless & Networks > Mobile Networks > Data Enabled you will see that you have the ability to > Use only 2G Networks.
    This suggests to me that 3G is already enabled. Cheers Neil.
     
    netskink likes this.
  13. netskink

    netskink Lurker

    Hello Neil,

    That link shows the key bit of info.
    HUAWEI IDEOS - Huawei Device Co., Ltd..

    At the top it shows
    UMTS 900/AWS/2100MHz or
    UMTS 850/1700/1900/2100MHz;
    EDGE/GSM/GPRS: 850/900/1800/1900MHz

    According to Wikipedia

    ATT
    850 MHz GSM/GPRS/EDGE 2G
    1900 MHz GSM/GPRS/EDGE 2G
    850 MHz UMTS/HSPA 3G
    1900 MHz UMTS/HSPA 3G
    700 MHz LTE 4G

    T-Mobile
    850 MHz GSM/GPRS/EDGE 2G
    1900 MHz GSM/GPRS/EDGE 2G
    1700 MHz/2100 MHz UMTS (W-CDMA)/HSPA 4G (formerly 3G[31])

    When I connect to wireless networks, I see three choices:
    T-Mobile 2G
    AT&T 2G
    AT&T 3G

    So I am guessing my u8150 is using the second UMTS set of frequencies:
    1. 850 (since it sees two edge networks and that is only available in the second set.)
    2. 850 and 1900 (since it see's AT&T 3G)

    This second set of frequencies is also used by T-Mobile so I don't understand why it is not available.
     
  14. nu2andy

    nu2andy Android Enthusiast

    Hi John, I'm still learning about this Technology myself. I firmly believe in following the Manual instructions, but there is an assumption that anyone who purchases a cell/smartphone these days - knows it all!
    I Google a lot - and from what I can gather, your phone will use the bandwidth provided by your Provider at the nearest Cell Tower to you and your phone.
    Once again, I am assuming that all the specs shown to be built into the phone work automatically unless we shut them down manually. ie. to save battery life etc.
    Abbreviations such as HAC (Hearing Aid Compatibility) meant nothing to me till I Googled for the answer. Hope this helps.
    We have in NZ Telecom/Vodaphone/2Degrees as our main providers, and the signal strength for 2Degrees (my provider) vary quite a bit due to Topography. Cheers Neil.
     
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