If you go to staff with a problem, the only thing they can do for you is put you in the SHU as a protective custody inmate, and that will cause you trouble throughout your entire incarceration. 1  If you complain to staff, you're stuck out in no-man's-land between the staff and inmates. 2  Neither group will help you.
Definition: A 'locked' mobile phone is one that has been restricted by software so that it can only be used with a single network or carrier. Locked mobile phones are usually GSM phones that use a SIM card-hence the use of the term 'SIM lock'.
(Redirected from Unlocked gsm phone) A SIM lock, simlock, network lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by services providers to restrict the use of these phones to specific countries and/or networks.