What does *#33 do on iPhone?
Asked by: Ms. Laurine Jenkins MD | Last update: July 18, 2026Score: 4.4/5 (27 votes)
Dialing *#33# on an iPhone checks the status of call barring, a security feature that blocks outgoing calls, SMS, and data. It displays whether these restrictions are active or disabled for voice, data, and fax. This "interrogation code" helps confirm if outgoing calls are currently restricted.
What does *#43 do on iPhone?
Check Call Waiting Status
Availability: *#43# Works on many iPhones regionally, depending on the carrier, to check the call waiting status. *43# / #43#… Enable or disable Call Waiting.
How to find hidden text conversations on iPhone?
To find hidden messages on an iPhone, check the Unknown Senders folder in the Messages app by tapping "Filters" (top left). Also, check Recently Deleted in that same menu for messages hidden by deletion. If messages are filtered, turn this off in Settings under Messages > Filter Unknown Senders.
What does *#31 do on iPhone?
On an iPhone, dialing *#31# allows you to check the current status of your outgoing caller ID settings to see if your number is hidden or visible. It is a GSM standard code used to verify if "Caller ID" is enabled or disabled, helping you manage privacy.
What does *#69 do on iPhone?
Dialing *69 is a legacy "Call Return" code that automatically dials the number of the last person who called you.
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What does *77 do on your phone?
Dialing ∗77∗ 77∗77 activates Anonymous Call Rejection. It blocks incoming calls from private or restricted numbers that conceal their caller ID. When activated on landlines or home VoIP phones, it forces callers to unblock their number to reach you. To turn it off, dial ∗87∗ 87∗87.
What is the code *#12345 on iPhone?
Field Test Mode: *3001#12345#*
Type this code into your phone's dialer, then press the green call button to enter "Field Mode," which shows information about local networks and cell towers, as well as your phone's signal strength.
What is *#646 in iPhone?
Dial *646# and press call checks your minutes for a postpaid iPhone. 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 *82 do on a cell phone?
Dialing *82 before a phone number temporarily unblocks your Caller ID for that specific call. If your phone number is normally set to hidden or private (e.g., using *67), using *82 forces your name and number to appear on the recipient's screen.
What is *# 07 on iPhone?
Dialing *#07# on an iPhone (or Android) opens the Legal & Regulatory menu, specifically displaying Radio Frequency (RF) exposure information and SAR (Specific Absorption Rate) values. This hidden command allows users to instantly access compliance certifications and safety ratings without navigating deep into Settings.
How is my husband seeing my texts?
Your husband is likely seeing your texts through shared Apple/Google accounts, text message forwarding, or spy software installed on your phone. To stop this, immediately change your cloud account passwords, disable message forwarding in your settings, and check your phone for unknown apps.
How to find hidden cheating apps on iPhone?
To find hidden cheating apps on an iPhone, check the App Library (swipe to the last page), search in Settings > General > iPhone Storage for unfamiliar apps, and review Purchased apps in the App Store. Look for vault apps disguised as calculators, review "Screen Time" data for hidden usage, and check for hidden app pages.
How to find secret conversations on Messenger iPhone?
To find secret conversations in Messenger on an iPhone, open the app and look for a padlock icon next to a contact’s profile picture in your chat list. These encrypted chats are separate from regular conversations. You can also tap a contact's name, then select "Go to secret conversation" to view or start an encrypted chat.
What does ##002 do to your phone iPhone?
Dialing ##002# on an iPhone (or any GSM phone) is a security command that deactivates all call forwarding and call diversion settings. It sends a command to your cellular network to erase all active forwarding rules, preventing unauthorized redirection of your calls.
What does *# 7353 do?
This unique identifier is crucial if your phone is lost or stolen, allowing authorities to track it down. *#7353#: This code opens the Quick test menu. This allows for a quick way to test certain aspects of your Android.
What is *#67?
Dialing ∗67∗ 67∗𝟔𝟕 before a phone number blocks your caller ID on outgoing calls. The recipient's screen will display "Private," "Blocked," or "Unknown" instead of your actual phone number. It is completely free and works on both mobile phones and landlines.
What is *77 on cell phones?
*77 | Anonymous Callers: Block
Calls without caller ID will be blocked.
What does *97 do on a phone?
On many VoIP, business, and some home phone systems, dialing *97 is a shortcut to access your voicemail inbox. It typically connects directly to the voicemail system associated with the phone you are using.
What is the code * 3001 on iPhone?
The code *3001#12345#* on an iPhone opens the hidden Field Test Mode (FTM), providing detailed technical data about your cellular network, signal strength (in dBm), and serving cell information. It is used to diagnose connection issues, check LTE/5G bands, and view precise signal metrics rather than just relying on signal bars.
What is *#61 on iPhone?
- Call Forwarding Status: Dial *#21# to view the status of call forwarding for voice, data, fax, SMS, and other services. - Check Missed Calls: Dial *#61# to view the number of missed calls. - Check Voicemail Number: Dial *#62# to verify the number your calls are forwarded to when your iPhone is unreachable.
What is *#76?
Dialing *76 is a vertical service code typically used to activate or deactivate features like call waiting or forwarding depending on your carrier. While sometimes associated with call forwarding, its exact function varies; it may require additional digits or a "stutter dial tone" confirmation to function.
What are iPhone secret codes?
Your iPhone has several secret codes (also known as USSD codes) that you can type directly into your standard Phone app keypad. These codes allow you to quickly check network settings, toggle call forwarding, block outgoing calls, and access hidden device information.
What is the secret button on the iPhone?
The "secret button" on an iPhone is a feature called Back Tap, which turns the Apple logo on the back of the phone into a customizable button. By double or triple-tapping the back of the phone, you can trigger actions like taking a screenshot, launching the camera, or toggling the flashlight.
What happens when you dial *3001 12345 #* on an iPhone?
To check signal strength on an iPhone, you can use Field Test Mode for a more precise reading in dBm. Open your Phone app and dial 3001#12345#, then press call. This will launch Field Test Mode, where you can view detailed signal information instead of standard signal bars.
How do I find hidden text messages on an iPhone?
To find hidden messages on an iPhone, check the Unknown Senders folder in the Messages app by tapping "Filters" (top left). Also, check Recently Deleted in that same menu for messages hidden by deletion. If messages are filtered, turn this off in Settings under Messages > Filter Unknown Senders.