*01763*8371# (*01763*VER0#) - Firmware Version.
*01763*3641# (*01763*ENG1#) - Enable Engineer Mode hold pwr key to leave then disable.
*01763*3640# (*01763*ENG0#) - Disable Engineer Mode.
*01763*8781# (*01763*TST1#) - Test #1 (test early wdt looping to dump, need to remove battery from phone)
*01763*8782# (*01763*TST2#) - Test #2 (test irq dis looping to switch, resets itself)
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