What does *# 21 on iPhone do?
Dial *#21# and press Call shows the status of call forwarding for voice, data, fax, sms, sync, async, packet access, and pad access call forwarding enabled or disabled.
What does *# 30 do on iPhone?
Calling Line Presentation: Type *#30# to view whether your iPhone will display the caller’s phone number when an incoming call arrives on your phone. You can also tell whether this is enabled by whether a phone number appears on your iPhone when someone calls you.
What does *# 61 do on iPhone?
*#61# and tap Call.
Show the number for voice call forwarding when a call is unanswered. Also show the options for data, fax, sms, sync, async, packet access and pad access.
What does dial *# 31 do?
Hide Your Phone From Caller ID: #31#
In order to re-instate Caller ID, enter *31# .
What does 3001 12345 do to your phone?
Dial *3001#12345#* and press the Call button. This will launch the Field Test Mode app and where the bars/dots were in the top left corner of the screen, you’ll now see a negative number. The negative number is the decibel signal strength reading and should be followed by the carrier name and then the network type.
What is the use of * * 4636 * *?
Android code: *#*#4636#*#*
This code will open up a menu that shows information about your phone’s data usages.
What is the meaning of *# 0 *#?
Accessing the Secret Diagnostic Menu
To get the ball rolling, simply open your Samsung’s phone app. From there, enter *#0*# using the dial pad, and the phone will immediately go into its secret diagnostic mode. Note that the process is automatic, so there’s no need to tap on the green call button to enter the command.
What does the *# 21 mean?
According to tech magazine How-To Geek, dialing this code shows whether or not call forwarding is enabled on the device — not whether it’s been hacked. How-to Geek described the *#21# feature as an “interrogation code” that allow users to view their call forwarding setting from the phone app.
What is the use of *# 899?
do a check by dialing ” *#899# ” Dial *#899# and perform a check of your device on specific parameters.
What is the use of this code *# 0 *#?
In Android Phone, after pressing *#0*# a new screen has opened where you test your android phone easily. Red, Green, Blue indicates the display colors of your device like that every section helps to test your smartphone.
What is the iPhone number code?
It is an identifier for your mobile phone hardware. This code opens your field mode, containing all iPhone personal settings, cell information, and the newest network. You can check the number to call forward when the iPhone is busy. And again, but for when the iPhone is busy. It will display your available minutes.
How do I fix no service on my iPhone 5?
To open the tray, press into the small hole using a SIM card ejector tool or a straightened out paperclip. Push the tray back into the slot to reseat your SIM card. If it still says No Service on your iPhone 5, follow the step-by-step guide below!
How to check the number of missed calls on iPhone?
Some other helpful codes 1 61# – Lets you check the numbers of missed calls. 2 *3370# – Enhanced Full Rate mode (EFR) may improve your iPhone voice quality while slightly hurting the battery backup. 3 *#30#: Calling Line Presentation lets you know if the incoming caller’s phone number will be displayed on your iPhone screen or not.
What is the IMEI code for my iPhone?
It will display your iPhone IMEI. It is an identifier for your mobile phone hardware. *3001#12345#* This code opens your field mode, containing all iPhone personal settings, cell information, and the newest network.