| Specification itel A23 |
| Hard reset itel A23 |
| Root itel A23 |
| Unlock itel A23 |
| Firmware itel A23 |
| Developer Mode itel A23 |
| Bypass Lock Screen itel A23 |
| itel A23 Factory Reset |
| Screenshot itel A23 |
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OS: Android 8.1 Oreo Go Edition CPU: ARM Cortex-A7, 1400 MHz, Cores: 4 RAM: 1 GB Display: 5 inches Camera: 1.92 MP (megapixels) Battery: 2050 mAh, Li-Ion |
| *#06# | - IMEI number is a unique identification that all mobile phones have |
| *#*#3646633#*#* or *#*#54298#*#* | - Engineering Mode (for smartphones based on MTK processor) |
| *#*#4636#*#* | - Testing menu: Phone, Battery, Usage, WiFi Information. |
| *#*#225#*#* | - This code show the number of festivities and events in your calendar |
| *#*#426#*#* | - Information about the connection with Google Play Services |
| *#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 (Device ID, Activation Status, Some Ping Stuff, and few other things) |
| *#*#36245#*#* | - Debug email in apps/Email |
| *#*#8255#*#* | - Used to launch Google Talk Service Monitor |
| *#*#64663#*#* | - Hardware Test (Version, Sensors, Sim, WLAN, Bluetooth, Battery, OTG, Radio, Speakers) |
| *#*#7780#*#* | - Used for a factory data reset. |
| *2767*3855# | - The firmware of the device is completely reinstalled |
| *#*#232338#*#* | - Wi-Fi Mac Address Information |
| *#*#34971539#*#* or *#34971539# | - Display 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#*#* | - Different GPS Test Code |
| *#*#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#*#* | - Open the proximity test |
| *#*#8351#*#* | - Enables voice dialing logging mode |
| *#*#232331#*#* | - Check Bluetooth |
| *#*#232337#*# | - Displays bluetooth device address |
| *#*#7262626#*#* | - Field test |
| *#*#0289#*#* OR *#*#0673#*#* | - Audio test |
| *#*#0842#*#* | - Device test (vibration test and backlight test) |
| *#*#2663#*#* | - Display device's 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 | |
| Configure Call waiting | |
| *43# | - Activate call waiting |
| #43# | - Deactivate 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 |
| 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# | - Activate divert on no answer calls |
| #61# | - Deactivate divert on no answer 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 |
| 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 |
| 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 |
| Blocking 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 |
| Blocking 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 |
| Blocking 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# | - Activate Blocking all incoming calls |
| #353*code# | - Deactivate Blocking all incoming calls |
| *#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. | |
 | Dante | March 31, 2021 |
| Some are not functioning | ||
| Reply | ||
| olumide | June 24, 2021 |
| is there any code to show my caller id? | ||
| Reply | ||
| Devendra Kumawat | March 26, 2022 |
| I want to change my default caller ID for temporary time | ||
| Reply | ||
| Shiba Dehury | November 17, 2022 |
| Mobile MMI code | ||
| Reply | ||
| Xylcba1 | March 14, 2024 |
| Overall, the phone has decent performance and a good battery life. The camera quality is average, but the design is sturdy. The software is basic but functional. | ||
| Reply | ||
