# Gently remove {{{model|FMB1YX}}} '''cover''' using '''plastic pry tool''' from both sides.<p><b>Note:</b> To properly open a new case please watch this [https://youtu.be/PBXVNXfRjg0 video].</p>
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# Insert '''{{{sim_type|Micro-}}}SIM''' card as shown with '''PIN request disabled''' or read '''[[{{{model|FMB1YX}}} Security info|Security info]]''' how to enter it later in [[Teltonika Configurator]]. Make sure that {{{sim_type|Micro-}}}SIM card '''cut-off corner''' is pointing forward to slot. {{{dual_sim|'''SIM slot 1''' is closer to PCB, '''SIM slot 2''' is the upper one.}}}
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{{{be_battery|# Connect '''battery''' as shown to device. Position the battery in place where it does not obstruct other components.
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# After '''configuration''', see “'''[[{{{model|FMB1YX}}}_First_Start#PC Connection (Windows)|PC Connection (Windows)]]'''”, attach device '''cover''' back.}}}