The article discusses 15 secret phone functions that can be accessed by pressing certain key combinations. These functions include:
1. Hiding your phone number on outgoing calls (works on both iPhone and Android)
2. Directly sending calls to voicemail (iPhone only)
3. Activating digital mode to show signal strength in dB (iPhone only)
4. Quick access to service menus (Samsung and Alex phones only)
5. Activating call waiting (iPhone only)
6. Quickly stopping your phone without showing options (Android only)
7. Getting the number of a service center for your current provider (iPhone only)
8. Listening to recordings of your own voice over the last 20 phone calls (Android only)
9. Improving communication quality, but reducing battery life (iPhone only)
10. Completely reinstalling your phone's firmware (Android only)
11. Instantly resetting your phone to factory settings (Android only)
12. Disabling all outgoing calls (iPhone only)
13. Accessing statistics and secret menus (Android only, especially Motorola)
14. Activating or deactivating caller ID (iPhone only)
15. Finding your IMEI number (works on both iPhone and Android)
These secret functions can be useful in various situations, such as hiding your phone number, improving communication quality, or accessing service menus quickly.
Here are the key facts from the text:
1. The IMEI number is a unique code for a phone that can be found by dialing "*#06#" on both iPhone and Android devices.
2. The IMEI number can be used to block a device from a network if it is lost or stolen.
3. The police often use the IMEI number for identification purposes.
4. Dialing "*#30#" on an iPhone will activate or deactivate caller ID.
5. Dialing "*#*#4636#*#*" on an Android device will display battery and processor usage statistics.
6. Dialing "*#*#7780#*#*" on an Android device will reset the device to its factory settings.
7. Dialing "*#*#759#*#*" on an iPhone will disable all outgoing calls.
8. Dialing "*#*#326635#*#*" on an Android device will allow users to listen to recordings of their own voice from the last 20 phone calls.
9. Dialing "*#5005*7672#" on an iPhone will display the number of a service center for the current provider.
10. Dialing "*#*#759#*#*" on an iPhone will encode the communication, improving its quality but reducing battery life.
11. Dialing "*#*#46##*" on an iPhone will allow users to change the action of the power button on their device.
12. Dialing "*#*#0011#*" on a Samsung device will give users quick access to their service menus.
13. Android users can change the action of the power button by dialing "*#*#7594#16#*" and then pressing the power button.
14. Dialing "*#*#7780#*#*" on an Android device will reset the device's settings to their default values.
15. Dialing "*43#16#" on an iPhone will activate call waiting.
16. Dialing "*#3001#12345*" on an iPhone will display the signal level in decibels.
17. Dialing "*21#10#*" on an iPhone will forward all incoming calls directly to voicemail.
18. Dialing "*31#" on both iPhone and Android devices will hide the telephone number in all outgoing calls.