[How to] Force/ Lock 3G only on Windows Phone 8.1 Preview for Developers

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thanhbaby

New member
Mar 14, 2011
1
0
MarioOrlando said:
If you have a Lumia 1520 (RM-937) you should flash the 059V4M0 rom.
It's already 8.1 and net nonitor works even with the newest Dev Preview build.

Inside this rom you have the ability to even choose some or your needed radio bands.

For example you can build a "use only WCDMA and LTE" Radio band selection. It automatically switches between WCDMA and LTE. How cool ist that?
Start with dial code ##3282#.
Click to expand...
Click to collapse

Do you share link download the 059V4M0 rom on 1520.
 
M

mirasal2

Senior Member
Oct 17, 2016
146
7
Glembozt said:
>>Optional<< : Before flashing, check your downloaded firmware on C:\ProgramData\Nokia\Packages\Products\rm-xxx\RMxxx_xxx.xxxxx.xxx.ffu, open this with WinHex and search (CTRL+F) type ##3282 press enter, if found that code you can enjoy that Dial :D
Click to expand...
Click to collapse
What if not?
Can I add these value manually?
Thanks
 
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    Glembozt
    How to Force/ Lock 3G only on Windows Phone 8.1 Preview for Developers​


    Hey All, here I just want to share how my Lumia 820 can force 3G Only on Windows Phone 8.1 Preview for Developers,

    I found this on RM825_3051.40000.1347.1001_RETAIL_apac_vietnam_220_01_358835_prd_signed.ffu << Vietnam
    attachment.php

    I compare with my Stock Firmware RM825_3051.40000.1347.1004_RETAIL_apac_indonesia_283_04_367265_prd_signed.ffu << Indonesia
    attachment.php

    So I flash that Firmware and I can Dial ##3282 ##3282#, update to Windows Phone 8.1 Preview for Developers and still get that Dial :eek:
    Captured from ProjectMyScreen Lumia 820 :

    attachment.php
    attachment.php
    attachment.php
    attachment.php
    attachment.php
    attachment.php
    attachment.php
    attachment.php




    HOW TO Flash Vietnam's Firmware:
    1. Flash your Lumia to Vietnam's Firmware
      • Download and Instal Nokia Care Suite if you haven't, check the digital signature if you failed install, the digital signature must be OK
      • Open Nokia Care Suite and select/double click Product Support Tool for Store
        attachment.php
      • SIGN IN
        attachment.php
      • Go to Tools >> Firmware Download
        attachment.php
      • Type your Vietnam Product Code (list in below) then Check Online or press Enter and Download
        attachment.php

        attachment.php

        attachment.php


        Vietnam Product Code List:
        Code: 
        Lumia 520
059S357 RM-914 VAR VN CV

Lumia 525
059V486 RM-998 VAR APAC VN CV

Lumia 620
059R2C9 RM-846 VAR VN CV

Lumia 625
059T4N6 RM-943 VAR APAC VN CV

Lumia 720
059S380 RM-885 VAR APAC VN CV WHITE
059S362 RM-885 VAR APAC VN CV CYAN
059S363 RM-885 VAR APAC VN CV RED
059S361 RM-885 VAR APAC VN CV YELLOW
059S360 RM-885 VAR APAC VN CV BLACK

Lumia 820
059Q998 RM-825 VAR APAC VN CV

Lumia 920
059Q8Z9 RM-821 VAR APAC VN CV BLACK
059Q8Z8 RM-821 VAR APAC VN CV GREY
059Q902 RM-821 VAR APAC VN CV RED
059Q901 RM-821 VAR APAC VN CV YELLOW
059Q900 RM-821 VAR APAC VN CV WHITE

Lumia 925
059S6W4 RM-910 VAR VN CV BLACK
059S6Z1 RM-910 VAR VN CV GREY
059S6Z0 RM-910 VAR VN CV WHTE

Lumia 1020
059T4P9 RM-875 VAR APAC VN CV BLACK
059T4Q0 RM-875 VAR APAC VN CV WHITE
059T4Q2 RM-875 VAR APAC VN CV YELLOW

Lumia 1320
059V569 RM-996 VAR APAC VN CV

Lumia 1520
059V317 RM-937 VAR APAC VN CV BLACK
059V319 RM-937 VAR APAC VN CV RED
059V318 RM-937 VAR APAC VN CV WHITE
059V320 RM-937 VAR APAC VN CV YELLOW
      • Go to File >> Open Product
        attachment.php
      • Type your Product >> Open
        attachment.php
      • Go to Programming >> Recovery
        attachment.php
      • Set to Work Offline
        attachment.php
      • Start Flashing
        attachment.php
      • Follow the instructions and retry
        attachment.php
      • Flash completed
        attachment.php
    2. Update your Lumia to Windows Phone 8.1 Preview for Developers via Phone Update
    3. Finish!!! Hope It work to all Lumia with Windows Phone 8.1 Preview for Developers, :eek:

    Tested and work fine on Lumia 820, if you use another Lumia Series please report here what Lumia you use and what Product Code you flash, thanks ;)
    >>Optional<< : Before flashing, check your downloaded firmware on C:\ProgramData\Nokia\Packages\Products\rm-xxx\RMxxx_xxx.xxxxx.xxx.ffu, open this with WinHex and search (CTRL+F) type ##3282 press enter, if found that code you can enjoy that Dial :D
    DWYOR ! ! !


    Here you can watch VIDEO from my Lumia 820 work fine with Field Test
    View
    3
    G
    Glembozt
    anaheiim said:
    nnnnnnnnnnnUseless, because: http://xdaforums.com/showthread.php?t=2515453
    In more, some of your images are poorly integrated and there is no link provided to download the required softwares.
    Click to expand...
    Click to collapse

    poorly integrated? hmm, ok thanks
    I captured the images from Snipping tools and print screen without really flashing my device, and for the completed recovery image's I have that from my last flashing

    no link for required software?
    yes, because my internet upload speed is very slow here,

    Useless?
    hmm, if you think my thread like that and no information shared, you can report to admin to delete this thread, actually I just want to share how force "3G Only" work on my phone, because I see in Windows Phone 8 Q&A, Help & Troubleshooting there some people get problem to access the Field Test and Native Toast Launcher not work on WP8.1 PFD to call the Field test

    Anyway Thanks, Sir :eek:
    View
    1
    F
    flipee
    thanks for this. i know i need to back up but will i lose all my apps after downgrading?

    820 is lte, cant we also select 4G only in field test?
    View
    1
    G
    Glembozt
    flipee said:
    thanks for this. i know i need to back up but will i lose all my apps after downgrading?

    820 is lte, cant we also select 4G only in field test?
    Click to expand...
    Click to collapse

    downgrading will delete all apps and data, if you set backup on your account it will auto downloading all your apps after you sync, if can't, download apps one by one :D

    In my phone, no 4G Only option in field test and highest connection speed, I think it's removed on Vietnam firmware
    View
    1
    D
    daman8331
    i have a quetion...
    i have lumia 1320 and it is RM-994 with indian firmware...so can i flash my lumia with RM-996 vietnam firmware and after flashing it...will it work like fine or it will not...?

    i was going to flash it but before flash i just want to confirm this so please reply soon...
    View

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