Hidden Codes for iPhone

Here is a list of some secret USSD codes for iPhone that are designed to allow technicians and specialists to delve into some hidden settings in your phone software.  Warning, use these codes at your own risk.  

*3001#12345#* Activate Field Mode, which contains all of your iPhone’s more technical settings. It also converts the signal bars into an actual number.
*#5005*7672# Check SMS center
*646# (Postpaid only) Display your available minutes
*225# (Postpaid only) Check your current bill’s balance
*#31# Choose whether to hide your number
*3370# Enable or disable EFR (Enhanced Full Rate), which improves your iPhone’s voice quality, but will quite likely reduce battery life
*#21# Check call forwarding status
*777# (Prepaid only) To check the account balance
*#62# Check which number calls will be forwarded to if no service is available
*#76# Check connecting line presentation
*#67# Check the number to be used for call forwarding
 *#33#   Check whether anything is barred, such as international calling 
 *#61#   Check number of missed calls
 *#06#   Displays your iPhone’s IMEI number
 *#43#   Check call waiting status
 *43#   Activate waiting
 #43#   Deactivate call waiting


The most popular video chat and video call apps

Video calling on your smartphone or tablet is widespread nowadays. Most modern smartphones and tablets have a front-facing camera, which is the main prerequisite for being able to make a video call. Regardless if you own an Android or Apple device there are many chat apps available that include video chat functionality, making it is easy to have face-to-face video calls with friends and family.

Here are the most popular video chat apps:

Facebook Messenger


Google Duo

Google Hangouts








How to force reset (soft reset) your Samsung Galaxy S8

Occasionally a powerful smartphone like the Samsung Galaxy S8 might get stuck on the boot screen due to minor firmware issues or a system crash. In the event your Samsung Galaxy S8 gets stuck or frozen on the boot screen you may be able to solve the problem with a soft reset (force reset) by following the next step.

  • Press and hold both the Volume Down and the Power buttons at the same time for 7 to 10 seconds until the display turns off. If your phone reboots normally then you can resume using your phone as normal.