Apple iPad Pro - secret codes.
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*#06# - IMEI (International Mobile Equipment Identity) number
Apple secret codes
*#06# - Displays your IMEI. No need to press call.*3001#12345#* and press call - Enter Field Mode.
*777# and press call - Account balance for prepaid iPhone.
*225# and press call - Bill Balance. (Postpaid only)
*646# and press call - Check minutes. (Postpaid only)
*#30# and press call - Calling line presentation check.
Hide your number on calls
*#31# and press call - It allow you hide your number.
#31#phone-number and press call - Call Anonymity
Call Baring
*#33# and press call - Check for call control bars.
*33*pin# and press call - Turn ON Call Barring
#33*pin# and press call - Turn OFF Call Barring
Call Waiting
*#43# and press call - Determine if call waiting is enabled.
*43# and press call - Activate a waiting.
#43# and press call - Deactivate waiting.
*#76# and press call - Check whether the connected line presentation is enabled or not.
Call Forwarding
*#21# and press call - Setting interrogation for call forwards.
*#62# and press call - Check the number for call forwarding if no service is available.
*#67# and press call - Check the number for call forwarding when the iPhone is busy.
##002# and press call - Disable All Forwarding
*#61# and press call - Check the number for unanswered calls.
*#5005*7672# and press call - SMS Message Center Number
*331* - Barring code # Outgoing calls abroad to block the lock code to inquire about her please contact your network operator.
*936# and press call - To check whether your phone is eligible for firmware upgrade
*3282# - It will let you know about the use of information info.
*3370# and press call - EFR(Enhanced Full Rate) Mode
Enhanced full rate (EFR) is an improved form of digital speech compression used in GSM networks. The EFR rate speech coder uses the same data transmission rate as the full rate speech coder. To use the EFR speech coder, both the mobile device and the GSM system it is operating on must have EFR capability. Enhanced Full Rate helps to improve call quality, this codec has higher computational complexity, which in a mobile device can potentially result in an increase in energy consumption as high as 5% compared to old FR codec.Comments, Questions and Answers about secret codes Apple iPad Pro
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