How To Use Secret Codes On Kyocera Digno F 503kc [patched]

If you suspect a hardware failure (like a flickering screen or broken GPS), use these specific codes from MobileSpecs and HardReset.info to run isolated tests: Target Component Secret Code *#*#2664#*#* Wireless LAN (Wi-Fi) Test *#*#232339#*#* GPS Test Mode *#*#1472365#*#* Bluetooth Test *#*#232331#*#* Vibration & Backlight Test *#*#0842#*#* Camera Information *#*#34971539#*#* Device Audio Test *#*#0289#*#* System & Advanced Configuration

Your phone will lock onto 4G signal and stop trying to fall back to 3G (which is being shut down globally). How to Use Secret Codes on KYOCERA Digno F 503KC

Before you start dialing, you must adjust two settings on your 503KC, otherwise you will get a "Connection problem or invalid MMI code" error. If you suspect a hardware failure (like a