HTC phones support a range of USSD and secret dialer codes that allow access to hidden menus, tests, and device information. These codes should be entered into the phone dialer and executed as if making a call. Here are some of the most universally recognized and useful codes for HTC devices[1][2][3][4]:
- *#06# – Display IMEI number (unique device identifier)[2][4][5]
- *#*#4636#*#* – Open device information menu (battery, usage stats, and more)[1][4][5]
- *#*#3424#*#* – HTC function/diagnostics test program[1][2][4]
- *#*#7262626#*#* – Field test (network and signal information)[1][2][4]
- *#*#1472365#*#* – GPS test[1][2][4]
- *#*#232331#*#* – Bluetooth test[1][2][4]
- *#*#232339#*#* – Wi-Fi (WLAN) test[2]
- *#*#2664#*#* – Touchscreen test[1][2]
- *#*#0*#*#* – Display test[1][4]
- *#*#1111#*#* – Show software version[1][4]
- *#*#2222#*#* – Show hardware version[1][4]
- *#*#0842#*#* – Vibration & backlight test[2]
- *#*#0588#*#* – Proximity sensor test[2]
- *2767*3855# – Factory reset (use with caution!)[1]
These codes are mainly intended for diagnostics, testing, and device information retrieval. Use caution: some codes (particularly reset codes) can erase data or change device settings. Backup your data before experimenting with codes you are not familiar with.
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