Modern smartphones keeps a lot of secrets, and the iPhone is no exception. And it is not about the chip to track, which said a former employee of the NSA Edward Snowden.
Not everyone knows, but for iPhone available special secret codes, with which you can get various information about the device and the network operator. The existence of such a function, many users are not even aware.
With the help of the special symbol combinations can learn IMEI, configure incoming and outgoing calls, including anonymous calls, call forwarding to declassify. Entering the following commands should be done in the Phone application.
* # 06 # - show the unique IMEI number of your smartphone. The team works on all mobile phones.
* 3001 # 12345 # * - hidden menu with information about the SIM-card, cellular network, signal strength, etc.
* # 43 # - display information about call waiting.
* 43 # - enable call waiting.
# 43 # - Disable call waiting.
* # 21 # - information about forwarding calls, messages and other data.
## 002 # - disable call forwarding.
* # 33 # - show the lock status of outgoing services, such as calls, SMS, and other data.
* 33 * # - enable blocking for calls.
# 33 * # - disable blocking for calls.
# 31 # phone number - block the caller ID for this call.
* 3370 # - enable full-size coding. Improves the quality of communication, but reduces the battery life of your smartphone.
# 3370 # - disable full-size coding.
* # 5005 * 7672 # - show the number of the service center for the current mobile operator.