| Specification I Kall Z4 Ultra |
| Root I Kall Z4 Ultra |
| Unlock I Kall Z4 Ultra |
| Firmware I Kall Z4 Ultra |
| Developer Mode I Kall Z4 Ultra |
| Bypass Lock Screen I Kall Z4 Ultra |
| I Kall Z4 Ultra Factory Reset |
| Screenshot I Kall Z4 Ultra |
|
OS: Android v8.1 (Oreo) CPU: 1.3 GHz, Quad Core Processor RAM: 4 GB Display: 5.5 inches, 480 x 960 pixels Camera: 8 MP Battery: 3000 mAh |
| *#06# | - International Mobile Equipment Identity |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Open testing menu (Phone, Battery, WiFi and other) |
| *#*#225#*#* | - Event 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 |
| *#12580*369# | - Software and hardware info |
| *#0283# | - Audio Loopback Control |
| #7465625*638*# | - Insert Network Lock Key Code |
| *#*#759#*#* | - Rlz Debug UI. Unique Device ID, PID, ACAP other data related to application installation. |
| *#*#36245#*#* | - Display a debug information about your email ID |
| *#*#8255#*#* | - This code can be used to launch Google Talk Service Monitor |
| *#*#64663#*#* | - Check Hardware (Version, Sensors, Battery, Radio, Speakers) |
| *#*#7780#*#* | - Factory Data Reset. |
| *2767*3855# | - Device firmware is completely reinstalled |
| *#*#232338#*#* | - Shows Wi-Fi Mac-address |
| *#*#34971539#*#* or *#34971539# | - Phone 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#*#* | - 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 test Code |
| *#*#3264#*#* | - Ram version I Kall Z4 Ultra |
| *#*#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#*# | - Displays Bluetooth address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Device test (vibration test and backlight test) |
| *#*#2663#*#* | - Show 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 | |
| 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 up 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 |
| 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 |
| 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# | - Barr all calls Activate |
| #330*code# | - Barr all calls Deactivate |
| *#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 |
| Barr 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# | - Barr all incoming calls Activate |
| #35*code# | - Barr all incoming calls Deactivate |
| *#35# | - Check status of barr all incoming calls |
| Barr all incoming calls when roaming | |
| **351*code# | - Barr all incoming calls when roaming Activate |
| #351*code# | - Barr all incoming calls when roaming Deactivate |
| *#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. | |
 | MlgMuco | March 11, 2024 |
| The battery life is decent, but could be better. The phone has a good range of features and functions, but the camera quality could be improved. Overall, it's a solid device. | ||
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