আইফোন + আইপড + আইপ্যাড এর জন্য কিছু শর্টকোড, ট্রিক্স  ও টিপস -

IMEI Number | Code: *#06#

Field Test | Code: *3001#12345#* + ‘Call’

Call Barring | Status: *#33# | Turn ON: *33*pin# | Turn OFF: #33*pin#

Call Waiting | Status: *#43# | Enable: *43# | Disable: #43#

Call Forwarding | Status – All: *#21# – Unreachable: *#62# – When Busy: *#67# | Disable All Forwarding: ##002# + ‘Call’

Outgoing Call Anonymity | Status: *#31# + | Current Call: #31#phone-number + ‘Call’

Incoming Call Presentation | Status: *#30# + ‘Call

SMS Message Center Number | Check: *#5005*7672#

EFR Mode | Code: *3370# + ‘Call

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

Codes     Functioning
*#06#

It will displays your iPhone IMEI. It is a identifier for your mobile phone hardware.

*3001#12345#*

This code opens you field mode which contains all of iPhone inner settings, cell information and newest network.

*#67#

You can check the number in order to call forwarding when the iPhone is busy. And again, but for when the iPhone is busy.

*646# (Postpaid only)

It will display you available minutes.

*225# (Postpaid only)

To check the Bill Balance

*777#

To check the Account balance use this code for prepaid iPhone only.

*#33#

You can check call control bars by using this code. Also for see whether barring is enabled or disabled for outgoing you can check all the usual suspects like  fax, SMS, voice, information, etc.

*#76#

For checking connected line presentation is enabled or not you can use this code. like to the calling line presentation you can also check whether the connected line presentation is enabled or disabled.

*#21#

You can set inquiry for call forwards. Find the settings for your call forwarding. You will see whether you have fax, SMS, voice, knowledge, sync, async,  paid access &   packet access  call forwarding enabled or disabled.

*3282#

It will let you know about the use of information info.

*#61#

To check number of missed calls.

*#62#

You can verifies the number for forwarding calls If there is no service is available. .

*3370#

EFR mode Enhanced Full Rate improves your iPhone voice quality, but it will slightly reduced battery life.

*#5005*7672#

To check  SMS center.

*331*

Barring code # Outgoing calls abroad to block the lock code to inquire about her please contact your network operator.

*#43#

Call Waiting Status.

*43#

Activate a waiting.

#43#

Deactivate waiting.

*#31#

It allow you hide your number

Here are some codes you can dial into the phone app that will access hidden information and menus in the iPhone:

*#06# – Displays IMEI
*3001#12345#* + “Call” – Accesses a hidden Field Test menu
*#43# + “Call” – Displays call waiting status
*43# + “Call” – Enables call waiting
#43# + “Call” – Disables call waiting
*#21# – Displays call forwarding status
##002# + “Call” – Disables all call forwarding
*33*pin# – Enables call barring
#33*pin# – Disables call barring
#31#phone-number + “Call” – Blocks caller ID for the current phone call
*3370# + “Call” – Enables “Enhanced Full Rate” and improves voice quality on GSM networks (may impact battery life)
*#5005*7672# + “Call” – Displays your carrier’s message center phone number

To check whether your phone is eligible for firmware upgrade: *936

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