*#*#225#*#* : Displays calendar storage information
This code displays some major calendar info on your mobile phone. You will be able to see birthdays events, holidays in Nigeria/country of residence, PC sync, and the emails associated with your mobile phone.
*#*#4636#*#* : See Wifi signal, battery usage and CPU statistics.
This code is all in one information. This code displays the WiFi signal as well as your battery info and Usage statistics. If you care to know more about your mobile phone information, dial *#*#4636#*#*.
*31# : Hide your caller ID
Is someone ignoring your calls? Or probably they owe you money and not picking up your calls? Smiles…
You can hide your phone number on all outgoing calls by dialing *31#.
The person you are calling will see a private number once your call enters his/her phone. Dial *#30# to reveal your phone number identity when done.
*#*#7594#*#* : Quick Shutting down
This code will turn off your phone instantly without making use of the power button.
This can be useful if you have a mobile phone with a faulty power button. I once had a phone without a power button.
I once had a phone without a power button. Grin!.. Dial *#*#7594#*#* for an instant shutdown.
*#5005*7672# : Displays sms message center number
This secret code will show you the phone number that is associated with your cell phone message center and is actually the number that all your text message is sent to before being forwarded to the actual person you want to send it to.
I'm a freelance web developer and technology enthusiast committed to adding value to others by sharing my knowledge as I learn and grow in this digital age. I have so much passion for technology and hoping to make the world a better place with the help of technology.