| Specification Koolnee K1 Trio |
| Hard reset Koolnee K1 Trio |
| Root Koolnee K1 Trio |
| Unlock Koolnee K1 Trio |
| Firmware Koolnee K1 Trio |
| Developer Mode Koolnee K1 Trio |
| Bypass Lock Screen Koolnee K1 Trio |
| Koolnee K1 Trio Factory Reset |
| Screenshot Koolnee K1 Trio |
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OS: OS Version: Android 7.1 Nougat CPU: Octa-Core 4?—2.0GHz ARM Cortex-A53, 4?—1.6GHz ARM Cortex-A53 RAM: 6GB Display: 6.01 inches Camera: 16 Megapixels, 2 Megapixels (Dual Camera) Battery: 4,200mAh Lithium-Polymer |
| *#06# | - IMEI number is a unique serial 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#*#* | - 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#*#* | - Rlz Debug UI. Access Google Partner setup |
| *#*#36245#*#* | - Access Email debug info Email |
| *#*#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#*#* | - Hardware Test (Version, screen, led, sound, vibrate, all sensors) |
| *#*#7780#*#* | - Reset mobile phone to factory settings. |
| *2767*3855# | - The firmware of the device is completely reinstalled |
| *#*#232338#*#* | - Show MAC address of 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 |
| *#*#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 display test Code |
| *#*#3264#*#* | - Ram version |
| *#*#1111#*#* | - FTA Software version |
| *#*#2664#*#* | - Touch-Screen test |
| *#*#0588#*#* | - Test the proximity sensor |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Show Bluetooth Test Mode |
| *#*#232337#*# | - Shows Bluetooth device address in Koolnee K1 Trio |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Check Backlight and Vibration |
| *#*#2663#*#* | - This code for touch screen 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 |
| 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 | |
| GSM codes for Call waiting | |
| *43# | - Activate waiting call |
| #43# | - Deactivate waiting call |
| *#43# | - Check status of call waiting |
| GSM codes for 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# | - Divert all calls is turned ON |
| #21# | - Divert all calls is turned OFF |
| *#21# | - Check status of divert all calls |
| Configure call diversion 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 |
| 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 |
| Set up call 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 |
| 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# | - Enable Barr all calls on your phone |
| #330*code# | - Disable Barr all calls on your phone |
| *#330*code# | - Check status of barr all calls |
| Codes for barring all outgoing international calls | |
| **331*code# | - Barr all outgoing international calls Activate |
| #331*code# | - Barr all outgoing international calls Deactivate |
| *#331*code# | - Check status of barr all outgoing international calls |
| USSD Codes For Barring all outgoing international calls except home country | |
| **332*code# | - Barr all outgoing international calls except home country is turned ON |
| #332*code# | - Barr all outgoing international calls except home country is turned OFF |
| *#332*code# | - Check status of barr all outgoing international calls except home country |
| Activate barr all outgoing calls | |
| **333*code# | - Barr all outgoing calls Activate |
| #333*code# | - Barr all outgoing calls Deactivate |
| *#333# | - Check status of barr all outgoing calls |
| Barr 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 |
| Activate 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 |
| Codes for barring all incoming calls | |
| **353*code# | - Activate all incoming calls Blocking |
| #353*code# | - Deactivate all incoming calls Blocking |
| *#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. | |
 | Pilasa|| | March 05, 2024 |
| The operating system is smooth and responsive, with a good selection of pre-installed apps. The design is sleek and the screen is vibrant. The camera takes great photos. Battery life is impressive. Connectivity is reliable. Overall, a great value for the price. | ||
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