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TCL X20 SE secret codes


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TCL X20 SE


OS: Android v11

CPU: Octa core, 2 GHz, Cortex A53
RAM: 32 GB
Display: 6.52 inches (16.56 cm)
Battery: Li-Polymer




TCL X20 SE smartphone runs on Android v11 operating system. The phone is powered by Octa core, 2 GHz, Cortex A53 processor. It has 32 GB. Internal storage options which can be extended with the help of Yes, Up to 256 GB. The smartphone has a IPS LCD providing. The smartphone is fueled with a Li-Polymer. The sensors include Light sensor, Proximity sensor, Accelerometer. Connectivity features in the smartphone include Bluetooth, A-GPS, 3.5 mm Jack and more.

Secret codes for TCL X20 SE

*#06#- International Mobile Equipment Identity
*#*#3646633#*#* or *#*#54298#*#*- Engineering Mode (for smartphones based on MTK processor)
*#*#4636#*#*- Testing menu only have Phone Information, Usage Statistics and Wi-Fi information.
*#*#225#*#*- Shows you everything that is saved on your Calendar such as Events, Holidays, Trips, Birthdays, Anniversary
*#*#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 (Device ID, Activation Status and few other things
*#*#36245#*#*- Display a debug information about your email ID
*#*#8255#*#*- Access GTalk Service Monitor
*#*#64663#*#*- Hardware Test (Version, screen, led, sound, vibrate, all sensors)
*#*#7780#*#*- Reset to factory settings.
*2767*3855#- Full reset
*#*#232338#*#*- Shows Wi-Fi Mac-address
*#*#34971539#*#* or *#34971539#- See 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 display test Code
*#*#3264#*#*- TCL X20 SE Ram version
*#*#1111#*#*- FTA Software version
*#*#2664#*#*- Touch-Screen test
*#*#0588#*#*- Test the proximity sensor
*#*#8351#*#*- Enables voice dialing logging mode
*#*#232331#*#*- Bluetooth Test Mode
*#*#232337#*#- Shows Bluetooth device address in TCL X20 SE
*#*#7262626#*#*- Field test
*#*#0289#*#* OR *#*#0673#*#*- Audio test
*#*#0842#*#*- Backlight and Vibration test
*#*#2663#*#*- 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


GSM codes for TCL X20 SE



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
Configure 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#- Enable divert all calls
#21#- Disable divert all calls
*#21#- Check status of divert all calls
Divert calls if your line is "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 up call 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
All outgoing calls barring
**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#- To turn Barring On for all calls
#330*code#- To turn Barring OFF for all calls
*#330*code#- Check status of barr all calls
Block all outgoing international calls
**331*code#- Turn On Barr all outgoing international calls
#331*code#- Turn OFF Barr all outgoing international calls
*#331*code#- Check status of barr all outgoing international calls
Set barring of all outgoing international calls except home country
**332*code#- Enable barr all outgoing international calls except home country
#332*code#- Disable 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#- Turn On Barr all outgoing calls
#333*code#- Turn OFF Barr all outgoing calls
*#333#- Check status of barr all outgoing calls
All incoming calls barring
**35*code#- To turn Barring On for all incoming calls
#35*code#- To turn Barring OFF for all incoming calls
*#35#- Check status of barr all incoming calls
Activate barr all incoming calls when roaming
**351*code#- To turn Barring On for all incoming calls when roaming
#351*code#- To turn Barring OFF for all incoming calls when roaming
*#351#- Check status of barr all incoming calls when roaming
Block 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


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 TCL X20 SE



userLuvalgMarch 29, 2024
The phone has a sleek design and feels sturdy. The screen is vibrant and responsive. Performance is smooth, with quick app launches. The camera takes decent photos. Battery life is impressive. Overall, a good value for the price.
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