Android Secret Codes 2026: The Full USSD List You Actually Need
You don’t need to download an app to access most of what your phone can do behind the scenes. Android has had a set of hidden dial-pad codes built in for years, and Pakistani telecom networks each run their own USSD system for checking balance, data, and account details. All of it works through the regular phone dialer, no internet connection required, which makes these codes especially handy if you’re somewhere with a weak Jazz, Zong, Ufone, or Telenor signal and can’t load an app anyway.
Here’s the full rundown, organized so you can actually find what you need instead of scrolling through a random unsorted list.
Universal Android Codes (Work on Most Phones)
These codes work across most Android phones regardless of brand, since they tap into Android’s own testing and diagnostic menus rather than anything network-specific.
Check your IMEI number: Dial *#06#. This instantly displays your phone’s unique 15-digit IMEI number, which you’ll need if you’re registering a new phone with PTA, reporting a lost or stolen phone, or verifying a used phone’s legitimacy before buying it.
Battery information: Dial *#*#4636#*#* to open a hidden testing menu, then look for “Battery Information,” which shows battery health, voltage, temperature, and charge status in more detail than the standard battery settings page.
Phone and Wi-Fi information: The same *#*#4636#*#* menu also includes “Phone Information” and “Wi-Fi Information” tabs, useful for checking signal strength in raw dBm numbers, network type, and connection details that don’t normally show up in regular settings.
Hardware test menu: On Samsung phones specifically, dial *#0*# to open a dedicated diagnostic menu that lets you test the touchscreen, individual color display panels, front and back cameras, speaker, vibration motor, and sensors, all in one place. This is genuinely useful if you’re buying a used Samsung phone and want to quickly verify everything actually works before handing over money.
Factory data reset: Dial *#*#7780#*#* to trigger a factory reset menu (note: this erases your data, so only use it deliberately, and back up first).
Check app usage and permissions overview: Not a dial code, but worth mentioning alongside these — Settings > Apps gives you the modern equivalent of a lot of what the old testing menus used to show.
A word of caution here: some of the deeper codes under the *#*#4636#*#* and similar “engineering mode” menus can let you change network settings or radio configurations you don’t fully understand. Looking is safe; changing settings inside these menus without knowing exactly what they do isn’t recommended, since some settings here aren’t easily reversible without a factory reset.
Checking IMEI Legitimacy (PTA Verification)
Since you’ll already have your IMEI from the *#06# code above, it’s worth also checking whether that IMEI is PTA-approved and legal to use on Pakistani networks, especially if you’re buying a used or imported phone.
Send your 15-digit IMEI number via SMS to 8484, and PTA’s system will reply telling you whether the device is registered, compliant, and safe to use with a local SIM. This matters because an unregistered IMEI on a phone brought in from abroad can get blocked from local networks after a set grace period.
Jazz USSD Codes
Check balance: *111#
Check remaining data on an active package: *117*10#
Check your own Jazz number: *100# (also works if you’ve forgotten your own SIM number, which happens more often than people admit)
Package status and validity: *117#
Build a custom bundle: *303#
Zong USSD Codes
Check balance: *222#
Check remaining data: *102#
Check your own number: *2#
Package details and validity: *6464#
Ufone USSD Codes
Check balance: *706#
Check remaining data on active bundle: *706# (same menu, selectable option)
Check your own number: *2#
Package status: *345#
Telenor USSD Codes
Check balance: *444#
Check remaining data: *345#
Check your own number: *2#
Package details: *999#
A quick note on all of these: telecom operators do occasionally change or retire specific USSD shortcodes, so if one of these doesn’t respond, dialing the general “check balance” code for your network (usually the first one listed above for each operator) will typically bring up a menu with links to everything else, including package status and data checks, even if a specific shortcut code has changed.
Call Management Codes (Work Across Most Networks)
Enable call forwarding to another number: *21*[number]# then call
Disable call forwarding: ##21#
Forward calls only when busy: *67*[number]#
Forward calls only when unanswered: *61*[number]#
Check call forwarding status: *#21#
Enable call waiting: *43#
Disable call waiting: #43#
These are genuinely useful if you’re switching phones temporarily and want calls to redirect to a second number, or if you want to silence call waiting interruptions during something like an online meeting or exam.
A Practical Note on Using These Safely
Stick to codes you actually recognize and understand the purpose of. The diagnostic and hardware test codes are safe to explore out of curiosity since they only display information. Codes involving factory resets, network mode changes, or engineering settings deserve more caution, since a wrong tap in those menus can occasionally cause more hassle than it’s worth to undo.
If a code doesn’t work on your specific phone, that’s often just a brand difference rather than something being wrong, Samsung, Xiaomi, and other manufacturers sometimes customize or disable certain USSD shortcuts in their software. A quick search for “[your phone model] + the specific code” will usually confirm whether that particular shortcut is supported on your device.
Bookmark this list or save it somewhere you can find quickly. These codes come up exactly when you need them most, checking a balance before an important call, verifying an IMEI before buying a used phone, or troubleshooting a hardware issue, and having them on hand beats trying to remember or search for them under pressure.
