The iPhone is full of numerous useful features and apps.
However, some parameters and features are hidden and can only be accessed usingsecret USSD codes.
iPhone USSD Codes or Unstructured Supplementary Service Data comprises of combination of digits and symbols.
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Best iPhone Secret Codes
Lets take a look at someunknown USSD codes for iPhones.
It is handy while tracking the phone, especially when aniPhone is lost.
Dial*#06#in the Phone app to display the IMEI number.
If you use a Postpaid plan, dial the code*225#.
The battery cycle count displays the number of times an iPhone battery is completely charged and discharged.
Dial*#0228#and tap on the Call button.
If you want toextend the battery life of an iPhone, limit its charging capacity to 80 percent.
Run Diagnostics Test (#0#)
Wondering abouthardware defects in your iPhone?
Dial#0#in the Phone app and wait for the test to complete.
If the test flags any component, get it repaired.
The main difference is that you cannot change the SIM card in the locked configuration.
ThisiPhone secret codedoesnt contain any numbers.
Dial3001#12345#, and you will see the output in decibels.
The-50 dB to -60dBrange is considered a good signal, while the-70dB to -90dBrange indicates an average signal.
If the value crosses-100dB, youriPhone has poor internet connectivity.
Dial it, and after that, you’ve got the option to use any SIM card.
Dial*#43#to verify if the call waiting feature is active or not.
To enable call waiting, dial*43#and tap on the call button.
Use the code#43#todisable call waiting on iPhone.
Dial*#21#to find out if thecall forwarding is active or not.
Dial500561412#to check the daily as well as overall data usage.
No need to install third-party or carrier apps to check data limit and consumption.
Instead, dial the*#7780#code to perform a soft reset.
This code will reset the app data and phone configs and fix the app launch problem.
Most of the codes will work in any iPhone version.
ensure to dial the correct code and use the appropriate symbols at both ends of the code.
source: www.techworm.net
