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O2 Cosmo secret codes

Specification O2 Cosmo

Root O2 Cosmo

Screenshot O2 Cosmo

O2 Cosmo smartphone runs on Microsoft Windows Mobile 5.0 Smartphone operating system. The phone is powered by 200 MHz ARM926EJ-S processor. It has 64 MB RAM, 128 MB ROM. Internal storage options which can be extended with the help of microSD (dedicated slot). The smartphone has a TFT providing, Screen-to-Body Ratio of 25.9%. The main camera of the smartphone consists of a 1.3 MP, Single. The sensors include Infrared port. Connectivity features in the smartphone include Bluetooth, Wi-Fi and more. It measures 111 x 62 x 13 mm and weighs 130 g.

Secret codes for O2 Cosmo

*#06#	- IMEI (International Mobile Equipment Identity).
*#7780#	- reset to factory settings.
*#67705646#	- This will clear the LCD display(operator logo).
*#0000#	- To view software version.
*#2820#	- Bluetooth device address.
*#746025625#	- Sim clock allowed status.
*#62209526#	- Display the MAC address of the WLAN adapter.
#pw+1234567890+1#	- Shows if sim have restrictions.
*#92702689#	- Show secret menu, a lot of useful information
*#3370#	- Enhanced Full Rate Codec (EFR) activation.
*#3370*	- (EFR) deactivation.
*#4720#	- Half Rate Codec activation.

GSM codes for O2 Cosmo

Change code
**03*old code*new code*new code#
- Change code for call barring
**04*old PIN code*new PIN *new PIN#
- Change SIM Card PIN code
**042*old PIN2 code*new PIN2*new PIN2#
- Change SIM Card PIN2 code
**05*PUK code*new PUK*new PUK#
- Change SIM Card PUK code
**052*PUK2 code*new PUK2*new PUK2#
- Change SIM Card PUK2 code

Activate or deactivate Call waiting
*43#	- Ñall waiting Activate
#43#	- Ñall waiting Deactivate
*#43#	- Check status of call waiting

Call Forwarding
##002#	- Disable All Call Forwarding
**004*PhoneNumber#	- Set all configured call diversions to PhoneNumber
##004#	- Unregister all configured call diversions

GSM codes for Call Forward All
*21*PhoneNumber#	- Register and activate divert all calls to PhoneNumber
##21#	- Unregister divert all calls
*21#	- Activate all calls divert
#21#	- Deactivate all calls divert
*#21#	- Check status of divert all calls

Call diversion when "no answer"
**61*PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Divert on no answer calls Activate
#61#	- Divert on no answer calls Deactivate
*#61#	- Check status of divert on no answer

Set call forwarding in case of "not available"
**62*PhoneNumber#	- Register and activate divert on not reachable
##62#	- Unregister divert on not reachable
*62#	- Activate divert on not reachable
#62#	- Deactivate divert on not reachable
*#62#	- Check status of divert on not reachable

Call diversion when "busy"
**67*PhoneNumber#	- Register and activate divert on busy
##67#	- Unregister divert on busy
*67#	- Activate divert on busy
#67#	- Deactivate divert on busy
*#67#	- Check status of divert on busy all call types
*#67*11#	- Check status of divert on busy voice calls
*#67*13#	- Check status of divert on busy fax calls
*#67*25#	- Check status of divert on busy data calls

USSD Codes For Barring all outgoing calls
**33*code#	- Activate barr all outgoing calls (for code see "Safety" above)
#33*code#	- Deactivate barr all outgoing calls
*#33#	- Check status of barr all outgoing calls

Barr all calls
**330*code#	- Enable Barr all calls on your phone
#330*code#	- Disable Barr all calls on your phone
*#330*code#	- Check status of barr all calls

Activate barr all outgoing international calls
**331*code#	- Enable Barr all outgoing international calls on your phone
#331*code#	- Disable Barr all outgoing international calls on your phone
*#331*code#	- Check status of barr all outgoing international calls

USSD Codes For Barring all outgoing international calls except home country
**332*code#	- Activate all outgoing international calls except home country barring
#332*code#	- Deactivate all outgoing international calls except home country barring
*#332*code#	- Check status of barr all outgoing international calls except home country

Barr all outgoing calls
**333*code#	- Enable Barr all outgoing calls on your phone
#333*code#	- Disable Barr all outgoing calls on your phone
*#333#	- Check status of barr all outgoing calls

USSD Codes For Barring all incoming calls
**35*code#	- Enable Barr all incoming calls on your phone
#35*code#	- Disable Barr all incoming calls on your phone
*#35#	- Check status of barr all incoming calls

Barr all incoming calls when roaming
**351*code#	- Enable Barr all incoming calls when roaming on your phone
#351*code#	- Disable Barr all incoming calls when roaming on your phone
*#351#	- Check status of barr all incoming calls when roaming

Activate barr all incoming calls
**353*code#	- Blocking all incoming calls Activate
#353*code#	- Block all incoming calls Deactivate
*#353#	- Check status of Blocking all incoming calls

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Thomas Nilan Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.

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User questions and comments about secret codes O2 Cosmo

	Bipadip	March 20, 2024
	The Microsoft Windows Mobile 5.0 Smartphone has a sleek design and responsive interface. The camera quality is decent, but the lack of a 3.5 mm jack is disappointing.
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