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Yezz Billy 4 secret codes

Specification Yezz Billy 4

Hard reset Yezz Billy 4

Root Yezz Billy 4

Screenshot Yezz Billy 4

Yezz Billy 4 smartphone runs on Microsoft Windows Phone 8.1 operating system. The phone is powered by Quad-core 1.2 GHz Cortex-A7 processor. It has 4 GB, 512 MB RAM. Internal storage options which can be extended with the help of microSD, up to 256 GB. The smartphone has a TFT providing, Screen-to-Body Ratio of 57.7%. The smartphone is fueled with a 1300 mAh,  Removable Li-Ion. The main camera of the smartphone consists of a 8 MP, Single. The sensors include Accelerometer, proximity. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, Wi-Fi, 3.5 mm Jack and more. The Yezz Billy 4 are available in various colors such as White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold. It measures 122.5 x 64.4 x 9.9 mm and weighs 109 g.

Secret codes for Yezz Billy 4

*#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 Yezz Billy 4

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

Set up Call waiting
*43#	- Enable call waiting
#43#	- Disable call waiting
*#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

Set Call Forward All
*21*PhoneNumber#	- Register and activate divert all calls to PhoneNumber
##21#	- Unregister divert all calls
*21#	- Enable Divert all calls on your phone
#21#	- Disable Divert all calls on your phone
*#21#	- Check status of divert all calls

Set call forwarding in case of "no answer"
**61*PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Enable divert on no answer calls
#61#	- Disable divert on no answerl calls
*#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

Forwarding in case of "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

GSM 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

Block 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

USSD Codes For Barring all outgoing international calls
**331*code#	- Activation Barr all outgoing international calls
#331*code#	- Deactivate Barr all outgoing international calls
*#331*code#	- Check status of barr all outgoing international calls

USSD Codes For Barring all outgoing international calls except home country
**332*code#	- Enable Barr all outgoing international calls except home country on your phone
#332*code#	- Disable Barr all outgoing international calls except home country on your phone
*#332*code#	- Check status of barr all outgoing international calls except home country

Block all outgoing calls
**333*code#	- Activation Barr all outgoing calls
#333*code#	- Deactivate Barr all outgoing calls
*#333#	- Check status of barr all outgoing calls

GSM 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

Block 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

USSD Codes For Barring all incoming calls
**353*code#	- Enable Blocking all incoming calls
#353*code#	- Disable Blocking all incoming calls
*#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 Yezz Billy 4

	Vekyka	March 03, 2024
	The Microsoft Windows Phone 8.1 device has good battery life, decent camera quality, and a compact design. However, limited internal memory and outdated operating system are drawbacks.
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