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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 02-19-2012, 10:34   #1 (permalink)
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iPhone Special Diagnostic Codes


ENTER THE BELOW CODES THEN PRESS THE 'CALL' BUTTON:

*#06# -Displays the 15 digit IMEI (International Mobile Equipment Identity) in the middle of the screen. (This number is also printed on the back of the iPhone.)
This number is worth writing down. Your carrier can deactivate the phone with this number so that it will not work if ever lost or stolen, even when using another SIM card.
*#21# Displays ‘forwarding’ state (enabled or disabled) voice call, data, fax, SMS, sync data, Async data, packet access, and pad access forwarding for outgoing calls.
*#30# -Displays ‘Caller ID’ (enabled or disabled).
*#33# -Displays ‘barring’ state (enabled or disabled) voice call, data, fax, SMS, sync data, Async data, packet access, and pad access forwarding for outgoing calls.
*#43# -Displays ‘call waiting’ state (enabled or disabled) voice call, data, fax, SMS, sync data, Async data, packet access, and pad access forwarding for outgoing calls.
*#61# -Displays ‘call forwarding to voicemail’ state (enabled or disabled) [and number forwarded to] of voice call, data, fax, SMS, sync data, Async data, packet access, and pad access forwarding for outgoing calls.
To change the number of seconds before the call forwards to voicemail, retrieve your eleven digit number from *#61# then carefully type *61*numberRetrieved*11*30# -those last two digits are the seconds to ring (Default is 20; Max = 30)
*#62# -Displays ‘call forwarding when unreachable’ state (enabled or disabled) [and number forwarded to] of voice call, data, fax, SMS, sync data, Async data, packet access, and pad access forwarding for outgoing calls.
*#67# -Displays ‘call forwarding when busy’ state (enabled or disabled) [and number forwarded to] of voice call, data, fax, SMS, sync data, Async data, packet access, and pad access forwarding for outgoing calls.
*225# -Requests an SMS message displaying the current monthly balance. (if applicable)
*646# -Requests an SMS message displaying the remaining monthly minutes. (if applicable)
*777# -Requests an SMS message displaying the pre-paid account balance. (if applicable)
Some other AT&T codes currently do NOT work on the iPhone: *#4720# (voice quality reduction codec -to save battery) and *3370# (better voice quality codec)

If you found this useful, press the THANKS button.
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Old 02-17-2014, 07:58   #2 (permalink)
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Normally it sets this up automatically and asks for your voicemail pin. Check under settings->phone->change voicemail password. Use your voicemail password you have set up if normally calling into a number (Ex - Verizon is *86).

If that doesn't work there was a bit of an issue on the iPhone 4, which required a couple of voicemails before being prompted to enter in your password pin. So, you can always try to leave yourself a couple of messages and try to retrieve them on your phone until prompted.

Once it is set up though you should be able to click the message under the voicemail tab and you'll see a play triangle on the left hand side of the message to play the message. Good luck.
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Old 02-19-2014, 04:50   #3 (permalink)
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rtons of fun thanks i lie this more than burgers chiken sa g
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