MOBITEK STK ENGINE Automates SIM Application Tool Kit Menu Selection


MOBITEK® STK ENGINE is a software or application that will automate the process of selecting the menu item in the SIM Application Toolkit (STK). It is especially develeped for the air-time reload proces.

The menu selection process is script/text based, in other words, no coding is needed.


MOBITEK® STK ENGINE will check for “ini” file in the “New” folder, process or execute the “ini” file.

  1. First, edit the “ini” file according to the steps in the STK menu. View video demonstration …
  2. Run the Engine, it will execute the instruction in the “ini” file. View video demonstration …


Posted in STK

I Cannot Find MobitekSMSAPI7.dll File in “system32” Folder

Which Development Kit are you using?
  • SMS API version 5 (final)
Which programming language are you using?
  • C#
Expiry Date of Warranty and Support
  • 12 months from 2014-Jan-10
What is the Operating System?
  • Windows 2003 Server, 64 bit
SIM Card Used:
  • Pre-paid/ Post-paid

Suggested Solution to “I can’t find MobitekSMSAPI7.dll file in system32 folder”
Solution: If you are installing the MOBITEK SMS API version 7 in a 64 bit OS, then the “MobitekSMSAPI7.dll” is located in “C:\Windows\SysWOW64″ (source:

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The Difference Between Buying from and from

We have an on-line store at is meant for:-

  1. self-service, furthermore:-
    1. no quotation is required from our Sales Team of;
    2. no technical question to ask our Sales Team of; and
    3. no consultation is required from our Sales Team of
  2. customers who had knowledge of what they want and does not need to be serviced by our Sales Team of

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MOBITEK Supports Wikimedia Foundation

A letter from Wikimedia Foundation:

Thank you for your invaluable gift of bringing knowledge to every human around the world.

My name is Lila Tretikov, and I’m the Executive Director of the Wikimedia Foundation. Over the past year, gifts like yours powered our efforts to expand the encyclopedia in 287 languages and to make it more accessible all over the world. We strive most to impact those who would not have access to education otherwise. We bring knowledge to people like Akshaya Iyengar from Solapur, India. Growing up in this small textile manufacturing town, she used Wikipedia as her primary learning source. For students in these areas, where books are scarce but mobile Internet access exists, Wikipedia is instrumental. Akshaya went on to graduate from college in India and now works as a software engineer in the United States. She credits Wikipedia with powering half of her knowledge.

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How to Decode Alpha Fields in the STK Menu


Product:  MOBITEK® Q24 STK MODEM (1 SIM card) Expiry Date of Warranty and Support I14-2036-ONEMART
12 Month from 21,March 2014
Which STK API version are you using?
  • version 6
What is the Operating System?
  • Windows 7
  • 32 bit
Which programming language are you using?
SIM Card Used:
  • Name of Operator: ORANGE
  • Memory: 128k
  • 3G activated: Yes
Description of Problem: Case 1 : Network Operator is ORANGE. In this case the Main menu and Sub menu are not display correctly but in my cell phone it’s correct. See the attach screen capture

Orange STK MENU-01

Orange STK MENU in mobile phone (left) compare with STK (right)


Orange STK MENU-02

Orange STK MENU as shown in mobile phone (left) and in (right)


Suggested Solution no. 1  We suggest a work around:-

  • noted down all the values of the menu item that matches the menu in your mobile phone screen, refer table below
  • when you call functions of MOBITEK STK API, you only need to pass the value of the menu item and not the text of menu item as the argument/parameter
Recharger 128
Retour 129
Rapports 130
Option 131
Dernier trans 1 Correct -> SubMenuSelect(1)
Wrong ->  SubMenuSelect(Dernier trans)
Solde 2 SubMenuSelect(2)
Rapport jour. 3 SubMenuSelect(3)
Suggested Solution no. 2 In countries where English is not the primary language, the STK Menu may display alphanumeric string instead of English text. We provide VB.Net sample code to decode the alphanumeric string.The VB.Net Sample Code decodes the alphanumeric string into UCS2 and then decode the UCS2 to display the unicode characters. The sample code is in the MOBITEK Air-Time Reload Development Kit CD.

Example, the alphanumeric string displayed by Orange STK Menu is “810E00C4E5F2EEE9E5F220F4F2E1EEF3AE “, the VB.Net sample code will decode it and convert to “Dernier trans.”. Refer image below.

Decoding Orange STK MENU-01

Decoding Orange STK MENU-01