Service codes BenQ:
software version: *#300#
test mode: *#302*20040615#
Service codes Pantech:
software version: *01763*79837#
service menu: *01763*476#
reset defaults (phone/user code reset to default): *01763*737381#
Service codes 3xx, 5xx:
software version: *#79#
software version: *#837#
Service codes VK200, VK2000, VK2010, VK2020, VK4000:
software version: *#79#