Sony VAIO P – HSDPA mod

So, after more tinkering with the Sony VAIO P, I have successfully managed to mod the Gobi radio from Qualcomm (built-in WWAN) from EDVO-only to EGDE/HSDPA!

I have documented the process with a how-to and some pictures

Enjoy :)

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43 thoughts on “Sony VAIO P – HSDPA mod

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  1. @Vaio Z

    Perhaps:
    – Is it equipped with the same WWAN radio (Gobi module that handles both CDMA and GSM/UMTS)?
    – Is there space on the motherboard for a missing SIM holder?

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  3. amazing work… bravo.

    if only the unit was faster….

    or I had some money to burn. It is a sweet unit, much sweeter with this mod.

  4. Awesome work ! Congrats !

    I am in the process of buying the Japanese version with the 1.86 processor, 64 SSD and a Wlan/GPS from http://conics.net . The only issue is that the WLan comes locked for an European company and I would have to unlock it :( I will try your method after I get it (They will not ship it before March). The software part I can do without a problem, but hopefully they have the SIM card slot … (because I completely suck at soldering :( )

    Again, awesome work !

  5. WAY TO GO TNKGIRL!

    Now if i just want to stop at the first half after unlocking it from Verizon. And NOT get into the soldering bit, can i then use it on ANY CDMA network in the world?

  6. Hi All,
    I have Vaio TT with the same module.
    I was able to apply the sotware hack with Vista (no need of XP downgrade) but I am not sure about the hw part.

    I was trying to found some SIM emulation or some other software or external way to make it work with Vodafone or other provider.

    Any ideas?
    (I dont want to open it (it is brand new) and brake it.)

    Thanks in advance
    Regards
    Vlad

  7. Hi, I want to buy a Vaio P from Hong Kong, after buying if I do this MOD, will it be able to use my country’s local operator’s SIM?? Pls help me…

  8. Hi, I like your job and hope you have time for mine question. I own a usa vaio p but live in europe and I did use your tweak and it worked fine. now I updated the vzacces manager to the latest version (its a very nice update) but I cant use the tweak because the config.ini and mdm*.inf” file are missing so its impossible to rename them.

    hope you have the time to give it a look

    thanks in advance

    http://forum.pocketables.net/showthread.php?p=16274#post16274

      1. Hello tnkgrl,

        I own the vaio Z790DLX and after I bought it I did the IFX-498 simconnector upgrade and installed the GTM382,
        now I would like to install the Gobi 2000,
        but which driver should I use for the W7 64 bit?
        till now i found all Z series with the UNDP-1 only….may I use the same driver?

        which softwer kit you suggest to install in order to make it working without Verizon problems?

  9. For those with a Vaio P with the Gobi 2000 chipset on Win7, I succeeded using the above mod (i.e., soldering a sim card connector) and then replacing the content of the C:\Program files\QUALCOMM\Images\Sony\1 folder (the amss.mbn and apps.mbn files, leaving the uqcn.mbn file alone) with the 2 files on the UMTS folder.

    This was the only way I could get the gobi firmware uploader to work.

    The VZ application still complains when I insert a non-Verizon/Vodafone SIM Card, but I could easily add an additional network (APN, user, pwd) and connect to it without the VZ Access Mgr.

    All working now, except the GPS.. still trying to fix that..

  10. anybody can help me with an answer ?
    How to make the CDMA working for other provider (i added the sim card slot already).
    But haven’t done anything in hacking the 3G, i plan to use the CDMA, but when i slot in the CDMA Sim Card, nothing happen.

  11. I own a P530H with win7, I got working the GPS and installed the SIM socket, but I can not find the VZAccess for Vista, and the mod is not working because I’m using the Windows version. Where can I found the Vista version to downgrade it? Thank you in advance.

  12. Thank you for taking the occasion to explain this idea. I’m happy I discovered your website on this matter. I’m doing analysis on this field right now and this assisted me a lot. Keep up the good work.

  13. Hi,

    I just want to know if the Gobi Devices (un2400 & un2420) using the Verizon network in US connect using a Verizon SIM card. Also Verizon is a CDMA service isn’t it ?

    If so then the above gobi devices connect normally through a CDMA sim as well, right ?

    thanks,
    aiamuzz

    1. CDMA devices in North America do not use SIMs. Verizon devices with SIMS include LTE modems and phones, and “global” phones, which roam on GSM when outside the US.

  14. I’ve just got my p788k and I really hope I can do the same modding with my vaio p. I’m using win 7 32 bit. Can this also work with p788k win 7? and can I use SIMs from others network’s provider like from Asian?

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