Your iPhone contains hidden dialer codes that access special features and settings not found in regular menus. These secret codes, known as USSD (Unstructured Supplementary Service Data) codes, let users check important phone information, test signal strength, and control call forwarding settings by entering specific number combinations into the phone dialer.
These codes serve practical purposes beyond simple curiosity. For example, entering *#06# displays your iPhone’s unique IMEI number – essential for warranty claims or reporting theft. The field test mode code reveals detailed cellular signal information that helps optimize reception.
Many carrier-specific codes exist for US iPhone users to check data usage, manage spam blocking, and control calling features. The codes vary by mobile provider but offer quick access to account services without navigating through apps or websites.
Secret Dialer Codes for iPhone: Unlock Hidden Features
iPhones have a variety of secret dialer codes (USSD, MMI codes) that let you quickly access diagnostic menus, check network info, or perform specific tasks without navigating through settings.
What Are Secret Dialer Codes?
- USSD codes: Codes starting with * and ending with #, used to communicate with your carrier.
- MMI codes: Man-Machine Interface codes used for network and device functions.
- These codes are entered in the Phone app’s dialer and trigger hidden menus or actions.
Commonly Used iPhone Secret Dialer Codes
| Code | Function |
|---|---|
| *#06# | Display your iPhone’s IMEI number |
| 3001#12345# | Open Field Test Mode (detailed network info) |
| *#31# | Hide your caller ID for outgoing calls |
| *#67# | Check number for call forwarding when busy |
| *#21# | Check call forwarding status |
| *#43# | Check call waiting status |
| *#62# | Check call forwarding when unreachable |
| #50057672# | Check your SMS center number |
| *#33# | Check if call barring is active |
How to Use These Codes
- Open the Phone app on your iPhone.
- Tap the Keypad tab.
- Enter the secret code exactly as shown.
- The iPhone will either display information or open a hidden menu.
Notes and Warnings
- Some codes are carrier-specific and may not work on all networks.
- Use caution when entering codes that change settings (like call forwarding or barring).
- Codes like 3001#12345# open Field Test Mode, which provides advanced signal info — useful for troubleshooting.
Additional Tips
- To disable call forwarding or call barring, you can often use a similar code with a # at the end (e.g., #21# to disable call forwarding).
- Some codes may not work on newer iOS versions or with certain carriers.
- For a full list of secret iPhone codes, you can refer to trusted tech sites or Apple support forums.
Using these secret dialer codes can help you quickly get info or tweak network settings without digging through menus.
If you want, I can provide a more extensive list or explain how to use specific codes in detail!
Key Takeaways
- Secret dialer codes provide direct access to hidden iPhone features and diagnostic tools
- USSD codes help users check device information and manage carrier services
- Field test mode and signal strength codes assist with optimizing phone reception
Exploring iPhone Secret Dialer Codes
Secret dialer codes give iPhone users direct access to hidden features, technical information, and advanced settings through specific number combinations entered in the Phone app.
Understanding the Basics of Secret Codes
Secret codes, also called USSD codes, are specific number combinations that start and end with special characters like asterisks (#) and hashtags (*). Users enter these codes in their iPhone’s keypad to access hidden menus and functions.
The basic format follows a pattern: *#code#. Some codes execute immediately upon entering, while others require pressing the call button.
Common prefix combinations include:
- *# for information retrieval
- ** for settings activation
for settings deactivation
Accessing Vital Phone Information
The most essential iPhone secret code is *#06#, which displays the device’s IMEI number. This unique identifier proves valuable for tracking lost phones or verifying genuine Apple devices.
#50057672# reveals the SMS center number used for text message routing.
Field test mode activates through 3001#12345#, showing detailed cellular signal information like:
- RSRP (Reference Signal Received Power)
- Signal-to-noise ratio
- Cell tower information
Managing Calls and Services
Call management codes help control various phone features:
- *#31# – Check if caller ID is enabled
- *#61# – View call forwarding settings
- *#67# – Check call barring status
Popular Call Control Codes:
- *43# – Enable call waiting
- #43# – Disable call waiting
- 21 – Activate call forwarding
- #21# – Deactivate call forwarding
Advanced Features and Network Information
Network-specific codes provide detailed information about cellular connectivity:
- #500525327# – View current network settings
- 3001#12345# – Access field test mode for signal data
Carrier-specific codes vary by provider but typically offer:
- Data usage tracking
- Account balance checks
- Plan information access
Utilities and Extra Functions
Emergency alert settings use #500525371# to check system status and configurations.
Helpful Utility Codes:
- *777# – Check prepaid balance
- *225# – View postpaid plan details
- *646# – Check data usage
These codes work differently across carriers. Verizon, AT&T, and T-Mobile each maintain their own set of supported commands.
Frequently Asked Questions
Secret dialer codes give iPhone users access to hidden features, diagnostic tools, and system information through specific number combinations entered in the phone keypad.
How can I check for spyware on my iPhone using secret dialer codes?
Users can enter *#21# to check if their calls, messages, or data are being forwarded to another number. This code reveals if any suspicious forwarding is active on the device.
The code *#62# specifically shows if any calls are being diverted when the phone is unreachable.
What are the iPhone secret codes for viewing hidden text messages?
No secret dialer codes exist to view hidden text messages on an iPhone. Apple’s privacy features prevent access to hidden or deleted messages through dialer codes.
How do I determine if my iPhone is an original using secret codes?
The code *#06# displays the iPhone’s IMEI number. Users can verify this number on Apple’s official website to confirm the device’s authenticity.
Can I find out my iPhone’s signal strength through a dialer code?
Enter 3001#12345# and press call to access Field Test Mode. This reveals detailed signal strength information in decibels, providing more precise data than the standard signal bars.
The closer the number is to zero, the stronger the signal strength.
Is there a comprehensive list of secret dialer codes available for iPhone users?
Apple does not publish an official list of secret codes. Different carriers support various codes for their specific networks and services.
AT&T, T-Mobile, and Verizon each maintain their own set of carrier-specific codes for checking account balances and accessing network features.
How do I access the hidden menu on my iPhone using a secret code?
The Field Test Mode accessed via 3001#12345# serves as the main hidden menu on iPhones. It provides access to cellular diagnostics and network information.
This menu displays technical data about cellular connection, signal quality, and network parameters.
