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Secret iPhone codes:

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1. *3001#12345#* and tap Call. Enter Field Mode.

Field mode reveals many of the inner settings of your iPhone, specifically up-to-date network and cell information.

2.  *#06# Displays your IMEI. No need to tap Call.

IMEI is the unique identifier for your cell phone hardware. Together with your SIM information it identifies you to the provider network.

3.  *777# and tap Call. Account balance for prepaid iPhone.

4. *225# and tap Call. Bill Balance. (Postpaid only)

5. *646# and tap Call. Check minutes. (Postpaid only)

These three are pretty self explanatory.

6. *#21# and tap Call. Setting interrogation for call forwards.

Settings for your call forwarding. You’ll see whether you have voice, data, fax, sms, sync, async, packet access, and pad access call forwarding enabled or disabled.

7. *#30# and tap Call. Calling line presentation check.

This displays whether you have enabled or disabled the presentation of the calling line, presumably the number of the party placing the call.

8. *#76# and tap Call. Check whether the connected line presentation is enabled or not.

State whether the connected line presentation is enabled or disabled. Presumably similar to the calling line presentation.

9. *#43# and tap Call. Determine if call waiting is enabled.

Displays call waiting status for voice, data, fax, sms, sync data, async data, packet access and pad access. Each item is either enabled or disabled.

10. *#61# and tap Call. Check the number for unanswered calls.

Show the number for voice call forwarding when a call is unanswered. Also show the options for data, fax, sms, sync, async, packet access and pad access.

11. *#62# and tap Call. Check the number for call forwarding if no service is available.

Just like the previous, except for no-service rather than no-answer situations.

12. *#67# and tap Call. Check the number for call forwarding when the iPhone is busy.

And again, but for when the iPhone is busy.

13. *#33# and tap Call. Check for call control bars.

Check all the usual suspects (voice, data, fax, sms, etc) to see whether barring is enabled or disabled for outgoing.

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About Muzammil

Over the past 6 years, I have designed, developed and managed over 150 iPhone/iPad applications for many large-scale clients, some include Rolex, Ford, Makemark LLC, Source Digital Production, IT City (Kingdom of Saudi Arabia), R.Ø.S.A. Creation etc. These applications ranged from simple navigation bar application to high end user interface design for image processing, simple games with Core Graphics and OpenGL. Before started Triffort Technologies i was working in Ampere Software Pvt Ltd as a senior iOS Developer. I was the first employe of Ampere who started iPhone/iPad development in the company. In ampere i worked on some complex apps like Boxboss, Austin Post, User Tracking etc. Throughout my career, I have used Core Graphics, OpenGL, SQLite, Core Data, JSON, XML etc. I am very proficient in many design programs including Photoshop, Illustrator, Flash, iMove. Although I am very knowledgeable in all Adobe Products. Most the time i am designing my apps without taking help from any graphics designer. I love to make app from my designs. It feels great when you are creating app from scratch and no body else is involve in your ideas. You are free to do anything. As the Senior Developer and Team lead at Triffort Technologies, I managed a team of Technical Interactive Developers and Designers. As their manager I am responsible for scheduling, resource management, task reviews, process development and enhancements, employee reviews and new employee hiring. I believe good employee morale and communication are key factors to successful, creative work, therefore, positive feedback was part of my daily routine. But most of the time you can find me on my desk writing codes for some app. I love programming. This is my passion. I’m a team player. I am a motivated individual who enjoys taking on new challenges and learning new technologies. I am well organized and a proficient multi-tasker. I have strong problem solving skills such as the ability to use technology in creative ways to meet unique project requirements. I love to be challenged and I always have a positive outlook no matter how tight the deadline is. If you would like to contact me or find out more about my experience, please contact me at muzammil@triffort.com or you can Skype me at muz.iphonedev.

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