BLU Studio 5.5 HD secret codes

OS: Android 5.1 (Lollipop)

CPU: Quad-core 1.3 GHz Cortex-A7

Display: 5.5 inches, 83.4 cm²

Battery: Removable Li-Po 2500 mAh battery

BLU Studio 5.5 HD smartphone runs on Android 5.1 (Lollipop) operating system. The phone is powered by Quad-core 1.3 GHz Cortex-A7 processor. It has 8GB 1GB RAM. Internal storage options which can be extended with the help of microSDXC (dedicated slot). The smartphone has a IPS LCD capacitive touchscreen, 16M colors providing. The sensors include Accelerometer, proximity. Connectivity features in the smartphone include Bluetooth, A-GPS, 3.5 mm Jack and more. The BLU Studio 5.5 HD are available in various colors such as Black, White, Gold. It measures 153.8 x 77.4 x 9.1 mm (6.06 x 3.05 x 0.36 in) and weighs 183 g (6.46 oz).

Secret codes for BLU Studio 5.5 HD

*#06#	- International Mobile Equipment Identity number
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- Display information about Phone, Battery and Usage statistics
##225##	- This code show the number of festivities and events in your calendar
##426##	- Google Play services's debug informations
*#0011#	- ServiceMode
*#0808#	- Change USB Settings
*#9900#	- Dump mode
*#9090#	- Diagnostic configuration
#0#	- General Test Mode
*#2663#	- TSP / TSK firmware update
#12580369#	- Software and hardware info
*#0283#	- Audio Loopback Control
#7465625638#	- Insert Network Lock Key Code
##759##	- RLz Debug UI system hidden menu
##36245##	- Access Email debug info
##8255##	- Google Talk Service Monitor in Android mobile phones will monitor Google Talk host address and port, your Google JID, your device ID, GTalk connection status, your connection history
##64663##	- Check Hardware (Version, Sensors, Battery, Radio, Speakers)
##7780##	- This code erases all your mobile data.
27673855#	- The firmware of the device is completely reinstalled
##232338##	- Show the MAC address of the Wi-Fi network
##34971539## or *#34971539#	- Display full information about the camera.
##1234##	- PDA and Phone firmware info
##7594##	- Changing the power button behavior-Enables direct poweroff once the code enabled
##1472365##	- For a quick GPS test
##273283255663282##*	- For a quick backup to all your media files
##1575##	- Advanced GPS test
##197328640##	- Enabling test mode for service activity
##0283##	- Packet Loopback test
*#0228#	- battery calibration

##232339## OR ##526##	- Wireless Lan Tests
##0##*	- LCD Screen Test Code
##3264##	- Ram version
##1111##	- FTA Software version
##2664##	- Touch-Screen test
##0588##	- Proximity Sensor Test Mode
##8351##	- Enables voice dialing logging mode
##232331##	- Show Bluetooth Test Mode
##232337#*#	- Displays Bluetooth address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Check Device Test Vibration and Backlight
##2663##	- Display device's touch-screen version
##44336##	- Displays Build time and change list number
##49862650468##*	- PDA, Phone, Hardware, RF Call Date firmware info
##8350##	- Disables voice dialing logging mode
##2222##	- FTA Hardware verion

GSM codes for BLU Studio 5.5 HD

Change code
*03old codenew codenew code#
- Change code for call barring
*04old PIN codenew PIN new PIN#
- Change SIM Card PIN code
*042old PIN2 codenew PIN2new PIN2#
- Change SIM Card PIN2 code
*05PUK codenew PUKnew PUK#
- Change SIM Card PUK code
*052PUK2 codenew PUK2new PUK2#
- Change SIM Card PUK2 code

Status of call waiting
*43#	- �all waiting Activate
#43#	- �all waiting Deactivate
*#43#	- Check status of call waiting

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

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

Set up call forwarding in case of "no answer"
*61PhoneNumber#	- 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"
*62PhoneNumber#	- 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

Configure call diversion in case of "busy"
*67PhoneNumber#	- 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
#6711#	- Check status of divert on busy voice calls
#6713#	- Check status of divert on busy fax calls
#6725#	- Check status of divert on busy data calls

Barr all outgoing calls
*33code#	- 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
*330code#	- Enable Barr all calls on your phone
#330*code#	- Disable Barr all calls on your phone
#330code#	- Check status of barr all calls

Barr all outgoing international calls
*331code#	- Barr all outgoing international calls Activate
#331*code#	- Barr all outgoing international calls Deactivate
#331code#	- Check status of barr all outgoing international calls

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

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

Barr all incoming calls
*35code#	- 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
*351code#	- 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

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

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.

User questions and comments about secret codes BLU Studio 5.5 HD

	Qcbcdj	March 27, 2024
	The camera takes decent photos, but struggles in low light. Battery life is average, but charges quickly. The phone has good functionality and performance, but lacks water resistance.
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