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TCL 20Y secret codes


 Specification TCL 20Y 
 Root TCL 20Y 
 Unlock TCL 20Y 
 Firmware TCL 20Y 
 Developer Mode TCL 20Y 
 Bypass Lock Screen TCL 20Y 
 TCL 20Y Factory Reset 
 Screenshot TCL 20Y 

TCL 20Y


OS: Android v11

CPU: 1.8 GHz, Octa Core Processor
RAM: 4 GB
Display: 6.52 inches, 720 x 1600 pixels
Camera: 48 MP f/1.8 (Main)
2 MP f/2.4 (Macro)
2 MP f/2.4 (Depth Sensor) with autofocus
Battery: 4000 mAh, Li-Po Battery




TCL 20Y smartphone runs on Android v11 operating system. The phone is powered by 1.8 GHz, Octa Core Processor processor. It has 4 GB Ram. Internal storage options which can be extended with the help of memory card upto 512 GB. The smartphone has a Non-Removable Battery providing. The smartphone is fueled with a 4000 mAh, Li-Po Battery. The main camera of the smartphone consists of a 48 MP f/1.8 (Main)2 MP f/2.4 (Macro)2 MP f/2.4 (Depth Sensor) with autofocus. Connectivity features in the smartphone include Bluetooth, GPS, Wi-Fi, 3.5 mm Jack and more. It measures 165.6 x 75.9 x 8.74 mm and weighs 194 g.

Secret codes for TCL 20Y

*#06#- International Mobile Equipment Identity
*#*#3646633#*#* or *#*#54298#*#*- Engineering Mode (for smartphones based on MTK processor)
*#*#4636#*#*- Android Testing Mode (Phone, Battery, WiFi and other)
*#*#225#*#*- Events in your calendar
*#*#426#*#*- Information such as Event and part of 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. Unique Device ID, PID, ACAP
*#*#36245#*#*- Display a debug information about your email ID
*#*#8255#*#*- This code show the GTalk Service Monitor
*#*#64663#*#*- Test hardware (Version, Bluetooth, Battery, OTG, Speakers)
*#*#7780#*#*- Factory Data Reset (all phone data will be erased).
*2767*3855#- It reinstalls the phones firmware
*#*#232338#*#*- Shows Wi-Fi Mac-address
*#*#34971539#*#* or *#34971539#- 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#*#*- GPS Control Menu
*#*#197328640#*#*- Enabling test mode for service activity
*#*#0283#*#*- Packet Loopback test
*#0228#- battery calibration


*#*#232339#*#* OR *#*#526#*#*- Wireless Lan Tests
*#*#0*#*#*- Mobile phone LCD test
*#*#3264#*#*- Display Ram version
*#*#1111#*#*- FTA Software version
*#*#2664#*#*- Touch-Screen test
*#*#0588#*#*- Test the proximity sensor
*#*#8351#*#*- Enables voice dialing logging mode
*#*#232331#*#*- Test the Bluetooth
*#*#232337#*#- Bluetooth address
*#*#7262626#*#*- Field test
*#*#0289#*#* OR *#*#0673#*#*- Audio test
*#*#0842#*#*- Backlight/vibration test
*#*#2663#*#*- The displays touch-screen version of Android device
*#*#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 20Y



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 Enable
#43#- Ñall waiting Disable
*#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
Activate or deactivate Call Forward All
*21*PhoneNumber#- Register and activate divert all calls to PhoneNumber
##21#- Unregister divert all calls
*21#- To turn Divert On for all calls
#21#- To turn Divert OFF for all calls
*#21#- Check status of divert all calls
Set up 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#- Divert on no answer calls Enable
#61#- Divert on no answer calls Disable
*#61#- Check status of divert on no answer
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
Block 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 or deactivate barring all calls
**330*code#- Barr all calls Enable
#330*code#- Barr all calls Disable
*#330*code#- Check status of barr all calls
Set barring of all outgoing international calls
**331*code#- Enable barr all outgoing international calls
#331*code#- Disable Barr all outgoing international calls
*#331*code#- Check status of barr all outgoing international calls
Activate or deactivate barring all outgoing international calls except home country
**332*code#- To turn Barring On for all outgoing international calls except home country
#332*code#- To turn Barring OFF for all outgoing international calls except home country
*#332*code#- Check status of barr all outgoing international calls except home country
Activate or deactivate barring all outgoing calls
**333*code#- Enable barr all outgoing calls
#333*code#- Disable Barr all outgoing calls
*#333#- Check status of barr all outgoing calls
Block all incoming calls
**35*code#- Barr all incoming calls Enable
#35*code#- Barr all incoming calls Disable
*#35#- Check status of barr all incoming calls
Activate or deactivate barring all incoming calls when roaming
**351*code#- Barr all incoming calls when roaming Enable
#351*code#- Barr all incoming calls when roaming Disable
*#351#- Check status of barr all incoming calls when roaming
Set barring of all incoming calls
**353*code#- Blocking all incoming calls Enable
#353*code#- Blocking all incoming calls Disable
*#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 20Y



userXcbogi_March 19, 2024
The phone has a decent battery life, fast charging, and energy-saving modes. It offers a variety of functions, good software, and a reliable network connection. The camera quality is satisfactory.
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