Introduction
Popular practices for the software developers is to leave "back-doors" within the code, which essentially allow anyone with knowledge to get into the system at a much deeper level.
Video Overview
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*#06# - IMEI
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*#1234# - Version
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*#12580*369# - Main Version
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*#0228# - Battery Status
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*#0808# - USB Settings
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*#0011# - Service Modes
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*#0*# - Service / Test / Hidden functions
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*#9900# - System Dump menu
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