What is * * 4636 * * code used for?
Android code: *#*#4636#*#*
This code will open up a menu that shows information about your phone's data usages. Here's how you can retrieve deleted text messages on your iPhone.
*#*#4636#*#* Displays information about the phone, battery, and various network statistics.
Accessing the Secret Diagnostic Menu
To get the ball rolling, simply open your Samsung's phone app. From there, enter *#0*# using the dial pad, and the phone will immediately go into its secret diagnostic mode. Note that the process is automatic, so there's no need to tap on the green call button to enter the command.
- *2767*3855# (Wipe Your Device and Reinstall Firmware) ...
- *#*#7780#*#* (Run a Factory Reset) ...
- *#06# (Check the Device's IMEI) ...
- *#0*# (Activate General Test Mode) ...
- *#*#232338#*#* (Displays the MAC Address) ...
- *#*#4986*2650468#*#* (Important Firmware Info)
- Unusual sounds during calls. ...
- Decreased battery capacity. ...
- Phone shows activity when not in use. ...
- Phone takes a long time to shut down. ...
- Battery temperature feels warm. ...
- Receiving unusual texts. ...
- Increased data usage. ...
- Android.
Code to check all call forwarding information: *#004# Code to check if phone is tapped: *#21#
Secret codes can be viewed as a symbology, except that now different symbols encode letters instead of numbers. These symbols can be signs (like Morse code or Braille which are just encodings and not 'secret'), or they can be other letters, or even the same letters themselves.
Android secret codes are programmed into your SIM card or mobile phone number and allow your smartphone to communicate with your mobile network operator. You can use these codes to do things on your smartphone faster and thus become a more efficient user.
With the *#62# settings interrogation code, you can see if calls or texts are being forwarded to another number whenever you're unreachable. If the "Voice Call Forwarding," "Data Call Forwarding," and "SMS Call Forwarding" all say they're disabled, good. If numbers are listed, they could be put there by someone else.
*#30# and tap Call.
This displays whether you have enabled or disabled the presentation of the calling line, presumably the number of the party placing the call.
What does *# 61 *# do?
Dial *#61# and tap Call to show the number for voice call forwarding when a call is unanswered. Also show the options for data, fax, sms, sync, async, packet access and pad access. Dial *#62# and tap Call is the same as above except for no-service rather than no-answer scenario.
##002# - If your voice call or data call, or SMS call has been forwarded, dialling this USSD code will erase them. *#21# - By dialling this USSD code, you would get to know if your calls have been diverted somewhere else or not.

- The Caesar shift. Named after Julius Caesar, who used it to encode his military messages, the Caesar shift is as simple as a cipher gets. ...
- Alberti's disk. ...
- The Vigenère square. ...
- The Shugborough inscription. ...
- The Voynich manuscript. ...
- Hieroglyphs. ...
- The Enigma machine. ...
- Kryptos.
Hide Caller ID: *31#
The caller might have hidden the ID intentionally or sometimes it can be accidental. If you want to hide the caller ID dial *31# and press call button.
Can you tell if your phone is being monitored? Yes, there are signs that will tell you when your phone is being monitored. These signs include overheating of your device, the battery draining fast, receiving odd text messages, hearing weird sounds during calls, and random reboots of your phone.
The following signs may indicate that someone is using your phone's camera to watch you: Suspicious background apps. Camera misbehaving. Odd files and inexplicably low storage space.
Signs That Someone Has Remote Access to Your Phone
The battery drains quickly even when not in use. Higher data usage than usual. Noises in the background when you're on a phone call. You receive unusual messages, emails, or notifications.
Open Settings, then scroll down and tap Location. To stop all tracking, you can toggle Use location off. If you don't want to remove all permissions, tap App location permissions. For each app, tap it to choose your preferred setting: Allow all the time, Allow only while using the app, Ask every time, or Don't allow.
Use the phone's built-in antivirus to remove any offending apps. Some Android manufacturers pre-install security apps that will allow you to remove any hacking apps from your device without the need to install anything else.
-- Now dial *#07# in your phone. This will show the you the SAR measurement of your device as specified by the manufacturer. So how much SAR is better? Lower is better, although as noted earlier FCC in the US considers SAR level of 1.6W/kg good enough.
How do I find hidden secret messages?
Click on the three dots at the screen's top right side just above the Facebook Messenger menu. After clicking the three dots, choose the Message Requests option from the menu. From the list of hidden messages, you can click on any messages and decide whether to reply or delete the message.
607: I Miss You.
It's worth noting that if you send someone a message through Secret Conversations, they will know it's a secret chat because the message bubble, which is usually blue, will be black. Next to their image it will read 'Encrypted from one device to the other' to let both parties know they're engaged in a "Secret" chat.
Phones don't have a single master pin to unlock them as each is different to the phone according to what the person makes it when they set it up. Often times they can have a SIM pin that is default to 0000 or 1234 but that is the SIM cards pin and can be changed by the user. Master pin is used to unlock mobile.
...
This includes:
- Unanswered calls.
- Calls when the lines are busy.
- Calls from certain numbers.
To activate, dial *65, then the number you wish to call. Your caller ID will be blocked on the current call only.
For example, in the US, you can dial *67 before a number, and the recipient will only see “Private” or “Blocked” on their caller ID. Get a burner app. You can also send anonymous text messages using websites such as anonymoustext.com.
When you do not want to be disturbed by incoming calls, you can activate the “Do Not Disturb” feature. All calls will be directed to Voice Mail and you will not hear your phone ring. To activate Do Not Disturb, dial *78.
Call forwarding is disabled by dialing *73. This feature requires a subscription from the telephone company. Also available in some areas is Remote Access to call forwarding, which permit the control over call forwarding from telephones other than the subscriber's telephone.
Feature | Code |
---|---|
Call Park Retrieve | *88 |
Call Pickup | *98 |
Directed Call Pickup (specific extension) | *97 |
Directed Call Pickup with Barge-in | *33 |
What is * 82 used for on cell phone?
*82 - Unblocks Caller ID on one outbound call
This star code will unblock your caller ID for a single outgoing call if you have previously used *61 to block caller ID for all outbound calls.
Malicious caller identification, introduced in 1992 as Call Trace, is activated by Vertical service code Star codes *57, and is an upcharge fee subscription service offered by telephone company providers which, when dialed immediately after a malicious call, records meta-data for police follow-up.
Anonymous Call Rejection (*77) stops calls from people that use a blocking feature to keep their name or number from being displayed. When Anonymous Call Rejection is turned on, callers will hear a message telling them to hang up, turn off the blocking feature, and call again.
What it does. ##004# Resets call forwarding to default. **21*1+PhoneNumber# Turn on unconditional forwarding (CFU) to a number (prevents calls to your number)
Code * # 21 # ~ To know whether message or call has been diverted or not. Code * # * # 4636 # * # * ~ To know Wifi connection test, Phone battery. Code * ## 62 # ~ To know whether phone redirects to any number. Security of Android Smartphone codes : Code ## 002 # ~ Deactivates all forwarding.
Dial *#61# and tap Call to show the number for voice call forwarding when a call is unanswered. Also show the options for data, fax, sms, sync, async, packet access and pad access. Dial *#62# and tap Call is the same as above except for no-service rather than no-answer scenario.
To block your mobile phone number on a per-call basis, dial #31# before each phone number you call. If you have permanently blocked your number, you can unblock it on a per-call basis by dialling *31# before you dial each phone number.
-- Now dial *#07# in your phone. This will show the you the SAR measurement of your device as specified by the manufacturer. So how much SAR is better? Lower is better, although as noted earlier FCC in the US considers SAR level of 1.6W/kg good enough.
Feature | Activate | Deactivate |
---|---|---|
*69 Call Return | *69 | *89 |
Anonymous Call Rejection Anonymous Call Block | *77 | *87 |
Busy Redial | *66 | *86 |
Call Block | *60 | *80 |
Speed Dialing
Establish a short list of up to eight numbers, or a longer list of up to 30 numbers. To program your Speed Calling 8 list, dial *74. Listen for the dialtone, then dial the one-digit number (2 through 9) you would like to use to dial a frequently called number.
What is the 16 digit network unlock code?
What Is SIM Network Unlock PIN? SIM Network Unlock Pin (NUP) is a code used to unlock an Android phone or iPhone from its original carrier so that it may be used on other carriers. This code is typically 8 or 16 digits long and is used to unlock a smartphone.
- 1234.
- 0000.
- 2580.
- 1111.
- 5555.
- 5683.
- 0852.
- 2222.
After you've tried to unlock your phone multiple times, you'll see "Forgot pattern." Tap Forgot pattern. Enter the Google Account username and password you previously added to your phone. Reset your screen lock. Learn how to set a screen lock.
Call forwarding is disabled by dialing *73. This feature requires a subscription from the telephone company. Also available in some areas is Remote Access to call forwarding, which permit the control over call forwarding from telephones other than the subscriber's telephone.
"Caller ID is ENABLED for outbound calls." Dialing *68 will disable the Caller ID for the next outbound / external call only. Selecting a line and dialing this feature code will result in a prompt on the phone display as well as an audible message: "Caller ID is BLOCKED for the next outbound call only."