| Code | Function | |------|-----------| | *#*#197328640#*#* | – Advanced RIL (Radio Interface Layer) menu. Change band preferences (for experts only). | | *#*#232338#*#* | Wi-Fi MAC address display. | | *#*#7262626#*#* | Force VoLTE (Voice over LTE) diagnostics. | | *#*#7465625#*#* | Network lock status – Checks if phone is carrier-locked. | | *#*#3646633#*#* | Engineer Mode – Full Qualcomm engineering menu. Adjust antenna gain, band locking, and audio amplification. |
Not every Android secret code works on the HONOR X9a. Here’s why: How to Use Secret Codes on HONOR X9a
While not a dialer code, this is another popular "hidden" menu used for advanced settings like USB debugging: Codes for HONOR X9a - HardReset.info | Code | Function | |------|-----------| | *#*#197328640#*#*
