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Secret Cell Phone Codes: Here’s Why You Should Know Them

Different codes on the phone can unlock features you didn’t know before. The codes are usually very simple.

USSD and GSM codes: you need to know that

The abbreviation GSM stands for “Global System for Mobile Communications”, USSD for “Unstructured Supplementary Service Data”. These GMS and USSD codes have existed since the first mobile phone developments, but can also be used on mobile smartphones. Each code has an individual function and can release practical features; this includes, for example, functions relating to call forwarding, the mailbox or the SIM card.

Important codes you should know

First, we have summarized some general codes for you:
*#06# Call up the phone’s serial number or IMEI
*135# Query your own phone number
**04*old PIN*new PIN*new PIN# Change PIN
**05*old PUK*new PIN*new PIN# Unlock blocked PIN with PUK
**042*old PIN2*new PIN2*new PIN2# Change PIN2
**052*old PUK2*new PIN2*new PIN2# Unlock blocked PIN2 with PUK2
*31#<phone number> Your own phone number is transmitted when you call, <phone number> must be replaced by the dialing number
#31#<Number> Own number is not transmitted when calling
*30# Activate caller ID for incoming calls (CLIP on)
#30# Switch off call number display for incoming calls (CLIP off)
*43# Call waiting on
#43# Call waiting off
**21*<number># Activate call diversion for calls to <number>
##21# Deactivate call forwarding automatically
*#21# Call forwarding status query for calls
*21# Activate call diversion automatically
**62*<number># Activate call diversion if not available on specified <number>
##62# Switch off call diversion if unavailable
*62# Switch on call diversion if unavailable
*#62# Status query of call forwarding when unavailable
**61*<number># Activate call diversion after the 5th ring to the specified number
**61*<number>*<time># Switch on call forwarding to the specified number after the specified time
##61# Deactivate call forwarding after a certain time (after ringing 5 times)
*61# Activate call diversion after a certain time
*#61# Call forwarding status query
**67*<Number># Switch on call forwarding to the specified number if the line is busy
##67# Switch off call forwarding when busy
*67# Switch on call forwarding when busy
*#67# Status query of call forwarding when busy
##002# Automatically switch off all call forwarding
*002# Activate all call forwarding automatically
##004# Deactivate all conditional call forwarding (busy, after 5 rings, unavailability)
*004# Enable all conditional call forwarding

Codes by device

Here are some codes that can be used on Samsung smartphones:
*#0*# comprehensive test menu
*#1111# software version
*#1234# firmware version
*#2222# hardware version
*#0228# Battery status and temperature
*#8999*8376263# Details about camera, product code, etc.
#*5376# delete all SMS
*#9090# Service mode UART/USB (service diagnosis configuration)
*#0808# USB settings
*#34971539# Check and view camera firmware
These work ideally with Huawei smartphones:
*#*#0000#*#* View model number, hardware version and IMEI number
*#*#6130#*#* Test menu (usage statistics, phone information)
*#*#2846579#*#* Service menu (e.g. manual upgrades and downgrades)
*#*#1357946#*#* Product code and serial number
Try these codes if you have an iPhone:
*3001#12345#* Field test mode
*#5005*7672# Show SMSC number
*#746025625# SIM Clock Stop (Power is only consumed when you actually use the SIM card)
*3370# Activate EFR mode (Enhanced Full Rate), improves voice quality during calls, battery power decreases
#3370# Disable EFR mode
*4720# Activate HFR mode (Half Full Rate), reduces voice quality, battery power increases
#4720# Disable HFR mode
*#5005*86# Show mailbox settings
*646# Query current call volume

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Lifestyle

Secret Codes at Ikea: When They Are Used – and What They Mean

Secret codes are not only used by the police – also at Ikea. Codes are often used for announcements, which customers cannot do much with. But what do they actually mean?

These secret codes are very common at IKEA – what do they mean?

In most cases, the meaning of the codes is only temporary: In order to guarantee the security of the codes, it can be assumed that IKEA will periodically renew some of the codes. Nevertheless, the meaning of some codes that appear particularly frequently can be interesting.

With some of the codes you can be pretty sure of the meaning. This includes, for example, the code 89. This is not only used at IKEA, but also in many other department stores: The code expresses that the store is busy and more staff is needed.

Code 88 is about a basic cleaning, maintenance or repair. Also, the meaning of the code 200 is pretty certain. This is also due to the fact that additional skilled workers are required.

The meaning of other mysterious IKEA codes – “Pippi Longstocking” and Co.

However, many of the IKEA codes are only speculative for us and their meaning is not certain. Nevertheless, it can be interesting to take a look at the codes that are common but raise a big question mark for us as buyers.

For example, if “Pippi Longstocking” is mentioned in an announcement, this is code for the need for security personnel. “Lucky Luke” is a code that requests that more registers be manned. Nevertheless, it can be assumed that a code will never remain identical for long. The code 300 is used to notify that there is an injured customer. The code 500 is used in a similar way: This is used to call first aiders in German IKEA stores. If you go to a branch in Switzerland, the code 500 has a different meaning. By naming this code, the Swiss IKEA branches are informed that a caregiver has lost sight of a child in Smaland. Other customers and employees are asked to help with the search.

The code 1000 has a different meaning depending on the number of executions. Simply calling it out suggests that all customers and staff should be on the alert. If the code is called a second time, an evacuation will be prepared. The third time the code “1000” is called, the evacuation is then carried out. How serious the situation really is cannot be predicted: it can be a compulsory exercise, but it can also be a bomb alert or a real danger to life.

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