Secret codes for HTC Desire 820
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HTC secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#*#2637643#*#* - Service Menu
*#*#3424#*#* - Run HTC function test program
*#*#7262626#*#* - Field-Test
*#*#4636#*#* - Show HTC info menu
*#*#2222#*#* - Show hardware version
*#*#232338#*#* - Show WiFi mac address
*#*#232337#*#* - Show Bluetooth mac address
*#*#8255#*#* - Launch Google Talk service monitor
##775# - EPST/PRL - PRL Settings
##786# - EPST - Status Menu
##3282# - EPST - Data Programming Menu (User Name, Advanced, Restore, Enable HFA, DSA Server, MMSC URL)
##2539# - EPST/A-Key - Data A key menu
##7738# - EPST/P_Rev - Protocol Revision
##8626337# - EPST/Vocoder - Unsure
##33284# - Debug - Debug Menu - (Debug Screen, Test Calls, RC Data, HDR/1X Selection, Voice Privacy, DTMF Set, Korea Mode Set)
##3424# - Diagnostic - Connect to phone in diag mode
##4772579# - Reset the GPS
##72786# - changes DSA back to Factory
##889# - enables TTY
Unverified code:
##37872# - Full Speed USB Mode - Enable/Disable
##3386# - DDTM - Enable/Disable
*#0011# Service menu
*#0228# Battery Status
*#2454# Low Battery Power Off
*#0283# Receiver Packet loopback
*#0782# RTCTimeRead displays time (and seconds)
*#147852# Allows you to access many screens including CDMA DATA Connections
*#369852# Allows you to access many screens including CDMA DATA Connections
*#1472365# GPS Setup
*#232331# Bluetooth RF Test Mode
*#1575# Service menu
*#197328640# Service menu
*#2767*2878# Service menu
*#32489# Service menu
*#4238378# Service menu
*#6984125*# Service menu
*#7284# Service menu
*#9090# Service menu
*#2580# Service menu
*#2664# Touchscreen Firmware Version
*#2664# Main Firmware Update
*#3264# RAM Version
*#3282*727336*# Current Data State
*#745# Sec_RIL_Dump allows you to copy to phone memory, clear ril log, (greyed out copy to SDcard and view RIL log), exit
*#7450# Phone Dump Mode Disable
*#7451# Phone Dump Mode Enable
*#7780# Factory Reset
*#9900# SysDump copy logcat/dumpstate/dumpsys, enable debug log, copy watchdogdumpstatelog)
*#0*# -Test Utility - SAFE TO PLAY WITH
*#0289# Melody Test again
*#0673# Melody Test SAFE TO PLAY WITH
*#0842# Vibration test SAFE TO PLAY WITH
*#2263# ??
*#2663# Touchscreen Accuracy Test SAFE TO PLAY WITH
*#767*3855# Factory Format - CRAP!! WARNING!!!
ANDROID HTC secret codes for HTC Desire 820
*#*#4636#*#* - Testing menu only have Phone Information, Usage Statistics and Wi-Fi information. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Calendar Storage, show the number events in your calendar
*#*#426#*#* - Debug information for Google Play service.
*#*#759#*#* - RLz Debug UI system hidden menu.
*#*#36245#*#* - Display a debug information about your email id
*#*#8255#*#* - This code can be used to launch Google Talk Service Monitor
*#*#64663#*#* - Open engineering mode (Version, Bluetooth, Battery, Speakers)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Immediate backup of all media files
*#*#7780#*#* - Used for a factory data reset. It'll remove following things: (Downloaded applications, Google account, all data and settings)
*2767*3855# - This code is used for factory format.
*#*#7594#*#* - This code change the "End Call / Power" button action
*#*#34971539#*#* - This code gives you further information about the installed camera software.
*#*#97#*#* - Language and Keyboard settings in HTC Desire 820
*#872564# - USB logging control
*#301279# - Use this code to show HSDPA/HSUPA Control Menu
*#9900# - System dump mode HTC Desire 820
*#*#46*#*# - Reset Sim in HTC Desire 820
*#*#197328640#*#* - Enter service mode to run various tests and change settings
WLAN, GPS and Bluetooth Test Codes:
*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)
*#*#232338#*#* - Display of the Wi-Fi Mac address on your phone.
*#*#1472365#*#* - GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Device Bluetooth test
*#*#232337#*# - Shows Bluetooth device address in HTC Desire 820
GSM codes for HTC Desire 820
Change PIN code - **04* and enter the old PIN code, and twice a new PIN code.
Change PIN2 code - **042* and enter the old PIN2 code, and twice the new PIN2 code.
Unlock SIM (PIN) - **05* and enter the PUK code and new PIN code twice
Unlock SIM (PIN2) - **052* and enter the PUK2 code and new PIN2 code twice
Call Forwarding (you have to order the service from the operator)
| ##002# | And press dial to cancel all active call diverts. |
| ##004# | Cancel all conditional call forwarding |
| **004* phone number # | Activate all conditional call forwarding |
Unconditional call forwarding (Call Forward All)
| ###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 Barring (you have to order the service from the operator)
Change the password for all bans (default - 0000)
- ** 03 * 330 * old password * new password * new password #
Restrict of all outgoing calls
**33*(enter password)#@ - To Activate
#33*(enter password)#@ - To Cancel
*#33#@ - Check Status
How to turn off all calls
*330*(enter password)# - To Activate
#330*(enter password)# - To Cancel
*#330# - Check Status
Barring of all outgoing international calls
*331*(enter password)# - To Activate
#331*(enter password)# - To Cancel
*#331# - Check Status
How to turn off all outgoing international calls when roaming
*332*(enter password)# - To Activate
#332*(enter password)# - To Cancel
*#332# - Check Status
How to bar all outgoing calls
*333*(enter password)# - To Activate
#333*(enter password)# - To Cancel
*#333# - Check Status
Restrict of all incoming calls
*353*(enter password)# - To Activate
#353*(enter password)# - To Cancel
*#353# - Check Status
How to turn off all incoming calls when roaming
*351*(enter password)# - To Activate
#351*(enter password)# - To Cancel
*#351# - Check Status
Call waiting (you have to order the service from the operator)
*43# - To Activate
#43# - To Cancel
*#43# - Check Status
Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check Status
Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check Status
Proceed with Caution: Use codes with care, as incorrect usage could affect device functionality.
If you're unsure about a code, do not use it. It's better to be safe than sorry.
 | Tarik Tonkov Mobile technology specialist |
| Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs. | |
Comments, Questions and Answers about the secret codes of HTC Desire 820
| Jabes | January 01, 2019 | |
| how do I hide the menu bar below the screen | ||
| YG | August 12, 2018 | |
| Engineering mode code | ||
| Damodaran | November 02, 2017 | |
| How to reload the software on htc 820desire whitch display showing software corrupted | ||
| Khan nadeem | June 08, 2017 | |
| How to enable diagnosis port for HTC 820 | ||
| lucky | May 29, 2017 | |
| When i power on or off it shows me g vill who to set it and show htc | ||
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