Lupa dapet dari mana, cuma make cara ini bisa, di s4 sprint saya jalan. 
beda dikit dari yg di xda

* *

*After you unlock the phone follow the steps mentioned below*

1.       Use root explorer or any other file explorer and get to 
system/build.prop

2.      Click and hold till you get a popup menu, select open with Text 
Editor (when you do this superuser will ask you to grant permissions, click 
yes, you will get one more popmenu from the phone saying "the current file 
system is read only do you want to remount as read-write and continue the 
operation" CLICK YES.

3.      scroll to the end of build.prop and add to lines mentioned below

ril.sales_code=LOL

ro.csc.sales_code=LOL

4.      click the MENU button which is one the left side of PHONE HOME 
button, choose "Save and Exit"

5.      Reboot the phone.

6.      Goto Playstore install the xShortcut app

7.      run xShorcut app and click on EDIT your SHORTCUT

Add the following line in the respective fields 

Shortcut Name and Icon:

Put any name you want here. You can also select an icon.

 

Target Component Package:

com.samsung.syncservice

 

Target Component Class:

com.samsung.syncservice.dm.hiddenmenu.OMADMHiddenMenu

8.     click on OK button 

9.      Reboot the phone

10.  you should have a shortcut on one of your screen

11.   click on it and run it. it should get you into Samsung DM Services 
menu

12.  select APNs

13.  press the MENU button which on the left side of you PHONE HOME button.

14.  select + New APN, under NAME type whatever you want(whichever you are 
using) under APN type the Access Point Name of your provider.

15.   click on MENU button which is left side of PHONE HOME button and 
click save.

16.  Remember not to set anything else. you can add multiple APNS for 
different service providers.

17.   Reboot the phone

18.  dial ##3282# and enter your MSL and click on EDIT/OTHER/LET APN 
SETTINGS, all of your APN names which you have saved SHOULD be therem if 
its not there redo everything from step 7

19.  It might just show only one APN name, thats because you have a SIM in 
the slot, if you have a SIM in the slot, it will show the APN of that 
provider only.

20. select which ever APN you want as per your service provider, you are 
good to go,

21.  goto build.prop again and add # in front of the 2 lines you added 
earlier.

#ril.sales_code=LOL

#ro.csc.sales_code=LOL

22. Reboot the phone

23. hange from cdma mode to gsm/utms mode, data should work now.

 

*How to switch between CDMA/GSM mode in a sec without reboot*

1.       goto Playstore<https://play.google.com/store/search?q=Telinfo&c=apps> 
and 
install TELINFO

2.      Run TelInfo and select Device Information

3.      Scroll down and select "set preferred network type"

4.      
<http://www.rimweb.in/forums/index.php?app=core&module=attach&section=attach&attach_id=17746>select
 
CDMA auto (PRL) when you want Reliance, select GSM auto (PRL) when you want 
GSM.

5.      done NO REBOOT required for the SWITCH 


On Wednesday, September 11, 2013 10:44:55 PM UTC+7, anindya kurniawan wrote:
>
> Dear friend,
>
> Mau tanya.. gimana cara setting apn di galaxy s4 sprint
>
> Udah coba root dan edit built.prop
> Add
>
> ril.sales_code=LOL
> ro.csc.sales_code=LOL
>
> tetep ngga bisa..
>
> Apa ada cara atau aplikasi buat setting apn?
>
> Thx in advanced
>

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