Save These Codes: Unlock Hidden Features on Android, iPhone, and Samsung

Ever wondered if your smartphone had more to offer beyond its standard features? The answer is a resounding yes! Within your device lies a hidden world of functionality just waiting to be unlocked. Our detailed guide to secret codes for Android, iPhone, and Samsung devices will reveal how you can access hidden menus, enhance functionality, and even streamline your phone’s performance.

These codes unlock features that can transform your everyday use, from battery information to device testing modes. So, grab your phone and prepare to unlock its full potential—make sure to save this list for easy reference as you explore the hidden corners of your smartphone!

See also - Samsung Unlock Codes

Disclaimer: Some of these secret codes may not work on all versions of devices. Please use them at your own risk. Always ensure that you understand the function of a code before using it, as some may affect your device's operation or data security.

Cool Codes Every Android User Should Know

Samsung Restart Codes

Hit restart on your Samsung with these easy codes.

• #*2562#
• #*3849#
• #*3851#
• #*3876#

See also - Updated APN settings for AT&T, Verizon, T-Mobile, Sprint

Android System Control Codes

Take charge of your Android with these system control codes.

• *#7284# USB I2C Mode Control Panel
• *#872564# This code controls USB Logging
• *#4238378# This code controls GCF Configuration
• *#0283# This code controls Audio Loopback
• *#1575# Manage and control GPS Menu

Android Phone Information Codes

Unlock your Android’s secrets with these info codes.

• *#*#4636#*#* - This secret code displays your phone information.
• *#*#4986*2650468#*#* - Use this code to view your phone's PDA, hardware, and RFCallDate details.
• *#*#1234#*#* - Displays the PDA type and version.
• *#*#1111#*#* - Secret code to display the firmware software version.
• *#*#2222#*#* - Secret code to display the firmware version.
• *#*#44336#*#* - Displays your build version, ROM sales code, build time, and change list number.
• *#272*IMEI# - Use this code to change your sales codes and reset user data.
• *#0011# - This secret code displays the status information for your GSM network.
• *#*#4636#*#* - Displays all user statistics from the beginning and essential phone information.
• *#12580*369# - This secret code checks both software and hardware information.
• *#12580*369# - Displays all software and hardware information of your phone.
• *#*#8377466#*#* - Displays all software and hardware version information for your Android device.

See also - Updated APN settings for T-Mobile

Android Testing Code List

Test your Android’s features with these codes

• *#0589# - This code is used to enter Light Sensor Test Mode.
• *#0588# - Proximity Sensor secret code.
• *#*#526#*#* - Enter the WLAN network using this code.
• *#*#232338#*#* - This code will display all WiFi MAC addresses.
• *#*#1472365#*#* - Use this secret code to test GPS.
• *#*#1575#*#* - Another GPS test code.
• *#*#232331#*#* - Troubleshoot your Bluetooth.
• *#9090# - Diagnostic Configuration secret code.
• *#3888# - Bluetooth Test mode code.
• *#*#0*#*#* - Test your LCD screen.
• *#*#0673#*#* - Melody and audio test.
• *#*#0842#*#* - General Test Mode (vibration test and backlight test).
• *#*#2663#*#* - Test your LCD touch screen.
• *#8999*8378# - Universal Test Menu.
• *#0842# - Vibration Motor Test Mode code.
• *#0782# - Test your time in real-time mode.
• *#0673# - Audible test.
• *#0*# - General Test Mode function.

Cool Codes Every iPhone User Should Know

Must-know codes for every iPhone user

See also - Updated APN settings for AT&T

iPhone IMEI code

• Enter *#06# Gives you the phone's IMEI #.

iPhone field mode code

• Enter *3001#12345#* It opens the field mode with the iPhone's internal settings, the cell information, and the newest network settings.

iPhone call forwarding code

• Enter *#67#. You can check the number for call forwarding.

iPhone call minutes code

• Enter *646# Postpaid users will be able to check the available minutes.

iPhone bill balance code

• Enter *225# Postpaid users will be able to check the bill balance.

iPhone account balance USSD code

• Enter *777# Prepaid users can use this code to check the account balance.

iPhone configuration code

• Enter *# 33# This code will allow you to check several configurations on your phone for your calls, SMS, and data.

iPhone operator code

• Enter *#76# To check if the connected line presentation is enabled or disabled.

iPhone call forwarding code

• Enter *#21# All your call forwarding settings will be available with the help of this code.

iPhone use of information secret code

• Enter *3282# To get details on the use of information.

iPhone missed calls code

• Enter *#61# For checking missed calls.

iPhone call verification code

• Enter *#62# To verify the phone number for call forwarding when the phone is in no service mode.

iPhone EFR mode code

• Enter *3370# It puts your iPhone in EFR mode. EFR stands for Enhanced Full Rate.

Phone SMS Center Code

• Enter *#5005*7672# This code allows you to check the SMS center.

iPhone Outgoing Call Code

• Enter *331* Allows you to bar your phone from making outgoing calls.

iPhone call waiting code

• Enter *#43# This secret code will check the call waiting status.

iPhone activate call waiting code

• Enter *43# To activate call waiting.

iPhone deactivate call waiting code

• Enter #43# To deactivate call waiting.

iPhone: Phone number code

• Enter *#31# Use this code to hide your phone number.

iPhone forwarding USSD code

• Enter ##002#. This will help you disable all call forwarding.

iPhone block number code (*#30#)

• Enter *#30#. This allows or blocks a phone number from calling you.

Phone Network Speed Test Code

• Enter 3001#12345#, then select LTE→Serving Cell Meas→rsrp0. This shows the actual signal strength in dBm for a more accurate measure of your network speed and quality.

iPhone Check Call Barring Code

• Enter *#33# to check which types of calls are barred, such as international calls or all outgoing calls. This can be useful for troubleshooting or configuring restrictions.

iPhone Voice Roaming Status Code

• Enter #500525371# to check the status of voice roaming on your iPhone. This can be useful for travelers to understand if their phone is set up to roam internationally.

iPhone Deactivate Voice Roaming Code

• Enter #500525370# to deactivate voice roaming, preventing your phone from connecting to foreign networks and potentially incurring high charges.

iPhone Display Call Forwarding Code for Data

• Enter #50057672*# to display the settings for data call forwarding. This can be helpful if you're troubleshooting why your data might not be working properly when forwarded.

iPhone SIM Lock Status

• Enter *#746025625# to check the status of your SIM lock. This code can tell you whether your iPhone's SIM is locked to a particular carrier, which is useful when traveling or switching carriers.

Generic Android USSD Codes: MMI Codes

• Enter *#*#0842#*#* to check the test vibration backlight information.
• Enter *#*#7780#*#* to check battery history information.
• Enter *#*#7780#*#* to check usage statistics information.
• Enter *#*#7780#*#* to check the information.
• Enter *#*#7780#*#* to check mobile battery information.
• Enter *#*#232331#*#* to check and test your mobile phone's Bluetooth
• Enter *#*#4986*2650468#*#* to check PDA, phone, H/W, RFCallDate information
• Enter *#*#0283#*#* to check packet loopback information
• Enter *#*#0*#*#* to check LCD information use
• Enter *#*#1234#*#* this HTC code is used to check PDA and phone information.
• Enter *#*#1111#*#* to check out the FTA SW version information.
• Enter *#*#2222#*#* if you want to check the FTA HW Version.
• Enter *#*#232337#*# to check mobile phone Bluetooth device address
• Enter *#*#1472365#*#* if you want to check the test GPRS information
• Enter *#*#1575#*#* to check and test for other GPRS information
• Enter *#*#44336#*#* to check the full PDA, Phone, CSC, Build Time, Changelist
• Enter *#*#0588#*#* to check the proximity sensor test.
• Enter *#*#0673#*#* OR *#*#0289#*#* to check melody test information
• Enter *#*#3264#*#* to check the RAM information.
• Enter *#*#2663#*#* to check the screen version information.
• Enter *#*#2664#*#* to check touch screen test information.
• Enter *#*#232338#*#* to check WiFi MAC address information
• Enter *#*#3424*#*#* HTC function test menu.
• Enter *2767*3855#. The HTC USSD code is to hard reset the phone.

Android Network Codes

• *7465625*638*# This code gives you the ability to customize Network Lock MCC/MNC
• #7465625*638*# Use this code to perform Network data locks and (Insert Network Lock)
• *7465625*782*# Customize your Network Lock NSP
• #7465625*782*# Input any Semi-Partiality Network Lock Keycode
• *7465625*77*# Key code for Network lock SP
• #7465625*77*# Secret key to insert into a network operator
• *7465625*27*# Secret code for Network lock and operation for NSP/CP
• #7465625*27*# Secret phone code for Content Provider network insertion
• *#272*IMEI# this code gives you the buyer code
• *#2263# RF Band-selects your network mode type

Android Firmware and service mode USSD codes

• *#32489# Enter Service mode (Ciphering Info)
• *#197328640# This is the code for the default Service Mode
• #0808# usb service
• *#9090# service mode USB
• *#2663# TSP / TSK firmware update
• *#34971539# Updates your camera firmware
• *#526# WLAN Engineering service mode
• *#528# WLAN Engineering service Mode
• *#7412365# Enter your Camera Firmware Menu
• *#8736364# OTA Updates Menu screen code for Android
• *2767*4387264636# Sellout SMS / PCODE view

See also - MMS messages not downloading

Android Codes for Factory reset

• *#7780# Factory Resets all your phones with a confirmation message
• *2767*3855# Full factory reset without a confirmation message. It will perform a hard reset.
• *#*#273283*255*663282*#*#* copy files and backup media files

Android USSD Codes for Debugging

• *#745# Dump Menu for dumping RIL
• *#746# General Debug Dump Menu
• *#9900# Bring you to the System Dump menu, which gives you the option to boost your network speed, WiFi, and battery.
• *#03# NAND Flash S/N
• *#7594# Remap Shutdown to End Call TSK
• *#272886# Auto Answer Selection