What is iPhone code * 3001?

*3001#12345#

This secret code allows your phone to enter a so-called 'Field Test Mode' and gives you precise data on how strong your signal strength

signal strength

In telecommunications, particularly in radio frequency engineering, signal strength refers to the transmitter power output as received by a reference antenna at a distance from the transmitting antenna. High-powered transmissions, such as those used in broadcasting, are expressed in dB-millivolts per metre (dBmV/m).

https://en.wikipedia.org › wiki › Signal_strength_in_telecomm...

Signal strength in telecommunications - Wikipedia

really is. While signal bars have always given us assurance that our phone signal's just fine, the truth is, information displayed on these bars are often inaccurate.

What does 3001 * 12345 #* do for your iPhone?

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 * 3001 12345 #* iPhone 11?

Accessing Field Test Mode on an iPhone can be quite straightforward: simply go to your phone's dialer, type in *3001#12345#* and hit the dial button. Unfortunately, though, you often can't get reliable signal strength (RSRP) or signal quality (SINR) readings on iPhones.

What is *# 3001 * 12345 #*?

3001#12345# – Opens Field Test Mode, a hidden menu where you can check, for example, the parameters of the mobile network. 5005# – Displays the IMSI number. *#06# – Displays the iPhone's IMEI.

What is the hidden menu on iPhones?

Many apps on the iPhone have hidden menus called Quick Actions. All you have to do is hold down the icon for the app you want to see the Quick Action menu for. Apps that come pre-installed on your iPhone, like the Camera, Mail, Notes, Settings, Messages and Phone apps have these menus.

*3001#12345#* trick

Is there a secret mode on iPhone?

You can use Private Browsing Mode to open private tabs, which don't appear in History on iPhone or in the list of tabs on your other devices. in the center of the tab bar at the bottom of the screen, then tap Private.

Is there a secret screen on iPhone?

To check whether you have invisible Home Screens on your iPhone and find hidden apps, simply: Long-press the background of your Home Screen until the icons jiggle. Tap the dots at the bottom of the screen. View all visible and hidden Home Screen pages.

What are hidden USSD codes?

USSD codes, also colloquially known as "secret codes", are simply codes that are used to unlock hidden actions in your smartphone. Unstructured Supplementary Service Data (USSD) is a user interface protocol that you can use to access hidden features in your smartphone.

What does *# 33 do on iPhone?

Dial *#33# and tap Call checks for call control bars by checking all the usual suspects (voice, data, fax, sms, etc) to see whether barring is enabled or disabled for outgoing.

What is * 74 on your phone?

Speed Dialing

Establish a short list of up to eight numbers, or a longer list of up to 30 numbers. To program your Speed Calling 8 list, dial *74. Listen for the dialtone, then dial the one-digit number (2 through 9) you would like to use to dial a frequently called number.

How do you find hidden stuff on iPhone 11?

What does *# 06 do on an iPhone?

*#06# Displays your IMEI. No need to tap Call. IMEI is the unique identifier for your cell phone hardware. Together with your SIM information it identifies you to the provider network.

What is secret button iPhone 11?

The feature that turns the Apple logo on the back of your iPhone into a secret button is called Back Tap. It is hidden within the Accessibility settings of your iPhone and it is switched off by default.

What does * 31 * do?

Hide Your Phone From Caller ID: #31#

I could only get this to work on Android. But entering this code prompted a pop-up stating that my Caller ID had been disabled. In order to re-instate Caller ID, enter *31# .

What does ## 002 do on iPhone?

##002# - If your voice call or data call, or SMS call has been forwarded, dialling this USSD code will erase them. *#21# - By dialling this USSD code, you would get to know if your calls have been diverted somewhere else or not.

What does * 77 do on your phone?

Reject anonymous calls

Anonymous Call Rejection (*77) stops calls from people that use a blocking feature to keep their name or number from being displayed. When Anonymous Call Rejection is turned on, callers will hear a message telling them to hang up, turn off the blocking feature, and call again.

What is * 82 on your phone?

You can also use *82 to unblock your number in case your call gets rejected temporarily. Some providers and users will automatically block private numbers, so using this code will help you bypass this filter. Blocking your number can go a long way in stopping annoying robocalls.

What does * 57 mean on the phone?

Malicious caller identification, introduced in 1992 as Call Trace, is activated by Vertical service code Star codes *57, and is an upcharge fee subscription service offered by telephone company providers which, when dialed immediately after a malicious call, records meta-data for police follow-up.

What is the code to see if phone is hacked?

Use the code *#21# to see if hackers track your phone with malicious intent. You can also use this code to verify if your calls, messages, or other data are being diverted. It also shows your diverted information's status and the number to which the information is transferred.

What does the code * * 4636 * * do?

*#*#4636#*#* Displays information about the phone, battery, and various network statistics.

Can someone remote access your phone?

Yes, unfortunately, people can access and even control your phone remotely. There are plenty of spyware apps and bugs that let people hack into your phone without you even knowing about it. It's usually through certain links or credentials that hackers do this.

How do I find hidden pages on my iPhone?

Hide and show Home Screen pages

(When you want to see the hidden pages again, you can show them.) Touch and hold the Home Screen until the apps begin to jiggle. Tap the dots at the bottom of the screen. Thumbnail images of your Home Screen pages appear with checkmarks below them.

How do I find a hidden profile on my iPhone?

You can see the profiles you have installed in Settings > General > VPN & Device Management.

What is Ghost Mode iPhone?

Ghost touch is when your iPhone screen moves or starts tapping buttons on its own. The screen seems to react to nonexistent touches, which means apps open and start doing stuff without you actually touching anything.