By Hassan Aftab, Science Scoop
There are a lot of apps and settings featured on smartphones in the modern day. Therefore, the likelihood of monitoring and tinkering with stuff is quite high. Though, that is not true in all situations. Take feature phones from past for that matter, these things had settings that the phone software would hide from many phone owners. In order to access these settings, technicians had to enter what is termed the USSD code.
If you own an iPhone, here’s a list of iPhone secret codes for unlocking its hidden features.
- *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
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- *#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 etc.
- *#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