What is the code *# 2663?

Code is a set of precise instructions, written in a specific programming language, that tells a computer how to perform tasks, creating everything from websites and apps to complex software, essentially acting as a language for humans to communicate commands to machines. It's like a detailed recipe or manual for a computer, built from commands, variables, and loops that manipulate data to achieve specific outcomes.
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What does the code ## 002 mean on my iPhone?

What Does ##002# Really Do? 🔐📞 ##002# instantly cancels all call forwarding on your phone — busy, unreachable, or no-answer. It's a simple way to reset settings and protect your privacy.
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What does *#6* do?

You can dial *#06# to display your phone's International Mobile Equipment Identity (IMEI) number, a 15-digit figure that identifies your device. While the IMEI itself won't tell you if somebody hacked your phone, you'll need it to report a lost or compromised device to your mobile provider.
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What does *43 do?

*43 | Call Waiting: Enable

Enables call waiting for ALL calls to the user.
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What is *# 21 code used for?

Dialing *#21# is a MMS/GSM code that checks the status of your call forwarding, revealing if all incoming calls, data, faxes, and SMS are being redirected to another number, but it does not detect phone tapping or hacking, despite viral social media claims. It's a harmless code that reports your carrier's call forwarding settings, not spyware activity. 
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Secret Android Phone Codes You Didn't Know Existed

What does *97 do on a phone?

*97 Pick up a call for another user in the same group. 1. Lift the telephone handset, press the speaker button, or the headset button.
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What does *#62 do to your phone?

Dialing *#62# on your phone checks the number your calls are forwarded to when you're unreachable (phone off, out of range, etc.), revealing potential call diversions for privacy checks, often showing your carrier's voicemail or a default number, and is a safe diagnostic tool to see if your calls are being secretly rerouted, with ##002# often used to cancel such forwards.
 
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What is *77 on your phone?

Dialing *77 on your phone activates Anonymous Call Rejection, a feature that blocks incoming calls from callers who have intentionally hidden their number (Caller ID is blocked or private). When someone with a blocked number calls, they'll hear a message that you don't accept anonymous calls, and your phone won't ring; to turn it off, dial *87. 
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What does *57 do on a cell phone?

Dialing *57 on a cell phone activates a Call Trace, a service that immediately records the details of the last incoming harassing or threatening call for your carrier to provide to law enforcement, not directly to you, usually for a per-use fee. You must dial it right after hanging up the unwanted call to log it, and then contact police with the date/time; the carrier shares data with authorities upon request or court order. 
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What does *73 do to your phone?

On your phone, dialing *73 is a universal code for many U.S. carriers, especially Verizon, to turn off all call forwarding, including conditional (no answer/busy) forwarding, and you'll hear a confirmation tone or message before hanging up. It deactivates any active call forwarding settings instantly, making your phone ring normally again. 
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What does *3370 do on your phone?

Pressing the *3370# keys on your iPhone or Android device does not improve your cell phone signal. As mentioned, the code *3370# activates Enhanced Full Rate Codec on specific devices. Since users would experience better voice quality after entering the code, many assumed it was due to better signal.
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What does *#9900 do?

*#9900# If you dial this code on your keypad, a window will open where you can click on 'Delete dumpstate/logcat' to remove all junk files from your phone, making it a bit faster!
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What happens if I dial *#07?

The code *#07# is a universal standard for most modern Android devices globally, including in India and the US. For iPhones, this code does not work. If you still can't find your SAR value, simply search on Google or ask an AI assistant with your phone model name.
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What is the *3001 code on iPhone?

Field Test Mode for Apple iPhone devices

To enter Field Test Mode on an Apple iPhone, dial *3001#12345#* .
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What's the secret code for iPhone?

iPhone secret codes, often called USSD codes, unlock hidden menus and functions for network info (like *3001#12345# for Field Test Mode), device details (like *#06# for IMEI), and call management (like *67 to hide your number for a call). These codes are entered in the Phone app's dialer and can help with troubleshooting and privacy, though some are carrier-specific or have limited functionality. 
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How do I tell if my phone is being monitored on my iPhone?

To know if your iPhone is monitored, watch for red flags like fast battery drain, high data use, phone overheating, or strange call noises; then, check Settings for unknown profiles (General > VPN & Device Mgmt), unexpected call/message forwarding (Phone/Messages settings), and unfamiliar devices under your Apple ID (Settings > [Your Name]). Use the built-in Safety Check in Privacy & Security for a quick overview of shared access and an Emergency Reset option for immediate lockdown. 
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What does *88 do on a phone?

Call Retrieve Used to retrieve a parked call. Enter *88 followed by the extension that call is parked against. If the call is parked against your own extension, press the # key.
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What does *82 do on a cell phone?

Dialing *82 before a phone number on a cell phone temporarily overrides your Caller ID blocking for that single call, making your number appear on the recipient's phone instead of "Blocked" or "Private," allowing calls to lines with Anonymous Call Rejection (*77) to go through. It's the opposite of *67, which hides your number, and it's useful for reaching people who block all private calls. 
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What does *66 do on a cell phone?

On a landline, dialing \*66 activates Busy Call Return, which automatically redials a busy number for you until the line is free, but this feature is typically for home phones, not modern cell phones. On a cell phone, you'll usually use other codes like \*67 to hide your number for a single call, \*82 to unblock your number, or \*77 to block private calls, as *66 isn't a standard mobile function. 
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What happens when you dial *35*0000?

How to block every incoming call. incoming calls to your line: *35*0000#.
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What does *63 do on a phone?

About Selective Call Forwarding (*63)

Selective Call Forwarding lets you program your office phone to direct incoming calls from specific phone numbers you have pre-selected to a different number - such as your cellular phone - when you're away from your office.
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What is *69 on your phone?

On a phone, dialing \*69 (star-69) activates the "Last Call Return" feature, automatically redialing the last number that called you, even if it was blocked or showed "No Caller ID" (though it won't work if the number was blocked with *67). This landline service was popular for returning calls from private numbers but is less relevant on smartphones with detailed call logs, and its availability depends on your carrier. 
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What happens if you dial *#21?

Dialing *#21# is a Universal Supplementary Service Data (USSD) code that checks the status of your unconditional call forwarding, showing if your calls/texts are being sent to another number; it doesn't reveal if your phone is hacked, but rather displays your carrier settings, which can be normal or indicate someone activated forwarding without your knowledge, potentially to intercept your communications.
 
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What to dial to see if your phone is hacked?

There's no single dial code that confirms a phone hack, but codes like \*#21# show call forwarding, which hackers use to intercept calls, and \*#002# disables it. You should also check for suspicious apps in settings, unusual battery/data use, and run antivirus software, as codes only reveal specific network settings, not all malware. 
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What is ## 002 used for?

On Android:

Or dial ##002# to stop all active forwarding instantly.
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