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Landvo L550 secret codes


 Specification Landvo L550 
 Root Landvo L550 
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Landvo L550


OS: Android 4.4 KitKat

CPU: Octa-Core (8x Cortex A7 1.4 GHz)
RAM: 1GB 8GB, 1GB · 8GB
Display: 5" inc
Camera: 8 MP, ƒ/ 2.4, (wide), 1.12 µm
Battery: 1800 mAh, Li-Ion, Removable




Landvo L550 smartphone runs on Android 4.4 KitKat operating system. The phone is powered by Octa-Core (8x Cortex A7 1.4 GHz) processor. It has 1GB 8GB, 1GB · 8GB. The smartphone has a LCD IPS providing, Screen-to-Body Ratio of 67%. The smartphone is fueled with a 1800 mAh, Li-Ion, Removable. The main camera of the smartphone consists of a 8 MP, ƒ/ 2.4, (wide), 1.12 µm. The sensors include Proximity. Connectivity features in the smartphone include Bluetooth, GPS, 3.5 mm Jack and more. The Landvo L550 are available in various colors such as Black, White. It measures 142.3 x71.9 x 9.3 mm | 5.6 x 2.83 x 0.37 in and weighs 164 g | 5.78 oz.

Secret codes for Landvo L550

*#06#- International Mobile Equipment Identity
*#*#3646633#*#* or *#*#54298#*#*- Engineering Mode (for smartphones based on MTK processor)
*#*#4636#*#*- Hidden Android Testing menu (Phone, Battery, WiFi and other)
*#*#225#*#*- Calendar Storage
*#*#426#*#*- Check the connectivity between the FCM server and the mobile devices
*#0011#- ServiceMode
*#0808#- Change USB Settings
*#9900#- Dump mode
*#9090#- Diagnostic configuration
*#0*#- General Test Mode
*#2663#- TSP / TSK firmware update
*#12580*369#- Software and hardware info
*#0283#- Audio Loopback Control
#7465625*638*#- Insert Network Lock Key Code
*#*#759#*#*- Access Google partner setup (RLZ debug Interface)
*#*#36245#*#*- Display a debug information about your email ID
*#*#8255#*#*- For Google Talk service monitoring
*#*#64663#*#*- Hardware Test (Version, screen, led, sound, vibrate, all sensors)
*#*#7780#*#*- Return to factory setting for hard reset but remove applications only.
*2767*3855#- Instant reset
*#*#232338#*#*- Shows Wi-Fi Mac-address
*#*#34971539#*#* or *#34971539#- Show camera information.
*#*#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
*#*#273283*255*663282*#*#*- For a quick backup to all your media files
*#*#1575#*#*- Full 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
*#*#3264#*#*- Ram version
*#*#1111#*#*- FTA Software version
*#*#2664#*#*- Touch-Screen test
*#*#0588#*#*- Test the proximity sensor
*#*#8351#*#*- Enables voice dialing logging mode
*#*#232331#*#*- Troubleshoot your Bluetooth
*#*#232337#*#- Shows Bluetooth device address in Landvo L550
*#*#7262626#*#*- Field test
*#*#0289#*#* OR *#*#0673#*#*- Audio test
*#*#0842#*#*- Used for the test of Vibration and Backlight
*#*#2663#*#*- Touch Screen Version (Firmware version)
*#*#44336#*#*- Displays Build time and change list number
*#*#4986*2650468#*#*- PDA, Phone, Hardware, RF Call Date firmware info
*#*#8350#*#*- Disables voice dialing logging mode
*#*#2222#*#*- FTA Hardware verion


GSM codes for Landvo L550



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
Call waiting
*43#- Activate waiting call
#43#- Deactivate waiting call
*#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 forwarding
*21*PhoneNumber#- Register and activate divert all calls to PhoneNumber
##21#- Unregister divert all calls
*21#- Turn On Divert all calls
#21#- Turn OFF Divert all calls
*#21#- Check status of divert all calls
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#- Activate no answer calls divert
#61#- Deactivate no answer calls divert
*#61#- Check status of divert on no answer
Diversion 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
Divert calls if your line is "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
Activate barr 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
Activate barr all calls
**330*code#- Activate barr all calls
#330*code#- Deactivate Barr all calls
*#330*code#- Check status of barr all calls
All outgoing international calls barring
**331*code#- Activate all outgoing international calls barring
#331*code#- Deactivate all outgoing international calls barring
*#331*code#- Check status of barr all outgoing international calls
Blocking all outgoing international calls except home country
**332*code#- Turn On Barr all outgoing international calls except home country
#332*code#- Turn OFF Barr all outgoing international calls except home country
*#332*code#- Check status of barr all outgoing international calls except home country
Activate barr all outgoing calls
**333*code#- Activate all outgoing calls barring
#333*code#- Deactivate all outgoing calls barring
*#333#- Check status of barr all outgoing calls
Activate barr all incoming calls
**35*code#- Activate barr all incoming calls
#35*code#- Deactivate Barr all incoming calls
*#35#- Check status of barr all incoming calls
Activate barr all incoming calls when roaming
**351*code#- Activate barr all incoming calls when roaming
#351*code#- Deactivate Barr all incoming calls when roaming
*#351#- Check status of barr all incoming calls when roaming
All incoming calls barring
**353*code#- Activate all incoming calls Blocking
#353*code#- Deactivate all incoming calls Blocking
*#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 Landvo L550



userSjwovlMarch 15, 2024
The design is sleek and the build quality is good. The screen is clear and bright. Performance is smooth, but the camera quality could be better. The battery life is decent. Overall, it's a solid budget option.
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