How to open Xiaomi Redmi K40 secret codes : Code to open QC testing in Xiaomi Redmi K40. Hidden code to open testing menu in Xiaomi Redmi K40. Check useful USSD codes for Xiaomi Redmi K40. Know how to open FCM Diagnostics using secret codes. Check how to open IMEI, Phone and Wifi information very easily using secret codes. Know why to use Advanced or Hidden codes in Xiaomi Redmi K40.
Xiaomi Redmi K40 secret codes
- Secret Codes – Why to use
- QC Testing
- Testing Menu
- Calendar Code
- FCM Diagnostics
- IMEI information
- Hidden codes
- Software codes
- All Hardware test codes
- GSM Codes
- Call Forwarding codes
- Call waiting and other codes
- Call barring codes
- Backup and Reset codes
Why to use Xiaomi Redmi K40 secret codes?
These Secret codes are very useful hidden codes that can be used to get into Hidden or advanced menu. You can get access to the best features and useful information about your Xiaomi Redmi K40 smartphone. These codes will help you to know more about Android device information, test phone software, test mobile hardware, reset your device and much more.
Xiaomi Redmi K40 QC test code
Open the Phone dialer and type in “*#*#64663#*#*” on your Xiaomi Redmi K40 smartphone. QC Test menu will open, you can check here different work modules like Version information, SIM detect, SD card, Receiver, Speaker, Headset, Bluetooth and much more. Click on the preferred options to conduct a test. You can also go through Additional tests, gravity sensor calibration, camera calibration, magnetic sensor calibration and history test results.
Testing Menu code for Xiaomi Redmi K40
You need to type in *#*#4636#*#* doing so you can find complete phone information which include details like IMEI, Phone number, IMSI, Signal strength, Voice Network type, Data Network type, Voice Call Status and much more. You will also get Wifi information regarding Wi-fi API, Wi-fi Configuration and Wi-fi Status.
Calendar Code for Xiaomi Redmi K40
To view important details like birthdays, anniversary, meetings and events you can open calendar on Xiaomi Redmi K40 using the USSD code. You just need to type in *#*#225#*#*
Code to open FCM Diagnostics menu on Xiaomi Redmi K40
To open FCM Diagnostics menu on Xiaomi Redmi K40 you need to type in *#*#426#*#* in the dialer. FCM Diagnostics enables you to check events and server connections. You can details like connection status, host name, Port details, connection time and signal level status
Code to find out Xiaomi Redmi K40 IMEI number
If you want to know find out IMEI details or International Mobile Equipment Identity details of your Xiaomi Redmi K40 smartphone just type in *#06#. Here you will find IMEI 1, IMEI 2 and Serial number details
Hidden Codes for Xiaomi Redmi K40
| Code | Description |
| *#*#8350#*#* | It disables voice dialing logging mode |
| *#7465625# | View phone lock status |
| *#301279# | Open HSDPA/HSUPA Control Menu |
| *#*#7594#*#* | To change the power button behavior, it enables direct power off once you try this code |
| ##46## | To reset Xiaomi Redmi K40 SIM |
| *#9900# | To open Xiaomi Redmi K40 System dump mode |
| *#872564# | To open USB logging control |
| *#*#4986*2650468#*#* | To open PDA, Phone, Hardware and RF Call Date firmware information |
| *#*#97#*#* | To open Xiaomi Redmi K40 Language and Keyboard settings |
| *#*#759#*#* | To enable Rlz Debug UL |
| *#*#8351#*#* | It enables voice dialing logging mode |
| *#*#197328640#*#* | It enables test mode for service activity |
Software info Codes for Xiaomi Redmi K40
| Codes | Description |
| ##36245## | To Access email debug information |
| ##0283## | Packet Loopback |
| *#*#232331#*#* | Packet Loopback test |
| *#*#2222#*#* | To find out FTA hardware version |
| *#*#34971539#*#* | For Device camera information |
| *#*#1111#*#* | To find out FTA Software version |
| *#*#1234#*#* | PDA and Device firmware info |
| *#*#232337#*# | Displays Bluetooth device address |
| #12580369# | Software and hardware information |
| *#*#2663#*#* | Information about touch-screen version of Android device |
| *#*#4636#*#* | Information about Android Phone, Battery and Usage statistics |
Xiaomi Redmi K40 Hardware test codes
| Codes | Description |
| *#*#1472365#*#* | GPS Test |
| *#*#0673#*#* | Device Audio test |
| *#*#2664#*#* | Android Device Touch-Screen test |
| *#*#0*#*#* | Android Device LCD test |
| *#*#0842#*#* | Vibration and Backlight test |
| *#*#0588#*#* | Proximity sensor test |
| *#*#7262626#*#* | Device Field test |
| *#*#526#*#* | Device Wireless LAN Test |
| *#*#0289#*#* | Device Audio test |
| *#*#232339#*#* | Device Bluetooth test |
| *#*#528#*#* | WLAN test |
GSM Codes for Xiaomi Redmi K40
| Codes | Description |
| ** 04 * | Change PIN, then enter the PIN old, and twice a new PIN |
| ** 042 * | Change PIN2, then enter the old The PIN2, and twice the new PIN2 |
| ** 05 * | Unlock SIM-card (PIN), then enter the PUK and new PIN twice |
| ** 052 * | Unlock SIM-card (PIN2), then enter the PUK2 and new PIN2 twice |
Call forwarding codes for Xiaomi Redmi K40
| Codes | Description |
| ##002# | Cancel all diverts |
| ##004# | Cancel all conditional call forwarding |
| **004* phone number # | Activate all conditional call forwarding |
| ###21 | Switch off and deactivate |
| #21# | Deactivate |
| **21*phone number# | Enable and Activate |
| *21# | Activate |
| *#21# | Check the condition |
| Diversion in case of “no answer” | |
| ###61 | Switch off and deactivate |
| #61# | Deactivate |
| **61* phone number# | Enable and Activate |
| *61# | Activate |
| *#61# | Check the condition |
| Diversion in case of “not available” | |
| # ## 62 | Switch off and deactivate |
| # 62 # | Deactivate |
| ** 62 *phone number# | Enable and Activate |
| * 62 # | Activate |
| * # 62 # | Check the condition |
| Diversion in case of “busy” | |
| ###67 | Switch off and deactivate |
| #67# | Deactivate |
| **67*phone number# | Enable and Activate |
| *67# | Activate |
| *#67# | Check the condition |
Call Waiting and Other related Codes for Xiaomi Redmi K40
| Codes | Description |
| Call Waiting | |
| *43# | Activate |
| #43# | Deactivate |
| *#43# | Check the condition |
| Transfer your phone number (Anti ANI) | |
| #30#phone number | Block |
| *30#phone number | Allow |
| *#30# | Check the condition |
| Show phone number of the caller you (ANI) | |
| #77# | Block |
| *77# | Allow |
| *#77# | Check the condition |
| Smart menu | |
| *111# | GP |
| *140# | Rob |
| *789# | Banglalink |
Call Baring Codes for Xiaomi Redmi K40
| Codes | Description |
| Barring of all outgoing calls | |
| **33*password# | Activate |
| #33*password# | Deactivate |
| *#33# | Check the condition |
| Barring of all calls | |
| **330*password# | Activate |
| #330*password# | Deactivate |
| *#330# | Check the condition |
| Barring of all outgoing international calls | |
| **331*password# | Activate |
| #331*password# | Deactivate |
| *#331# | Check the condition |
| Barring of all outgoing calls | |
| **333*password# | Activate |
| #333*password# | Deactivate |
| *#333# | Check the condition |
| Barring of all incoming calls | |
| **353*password# | Activate |
| #353*password# | Deactivate |
| *#353# | Check the condition |
| Barring all incoming calls when roaming | |
| **351*password# | Activate |
| #351*password# | Deactivate |
| *#351# | Check the condition |
Backup and Reset Code for Xiaomi Redmi K40
| Code | Description |
| *#*#273283*255*663282*#*#* | To take a quick backup of all your media files |
| *#*#7780#*#* | To Reset Android device. Erase all your device data like photos, apps, and settings, etc. |
| *2767*3855# | It will also Format all your device data and reinstall Android Device firmware |
So Guys this was our blog on Xiaomi Redmi K40 secret codes. Please read Xiaomi Redmi K40 FAQs to get asnwers for all frequently asked questions.