Changes

All commands are case sensitive. When user tries to send SMS/GPRS message to {{{model|FMB640}}} that operates in Deep Sleep mode, it cannot arrive to {{{model|FMB640}}} device because the GSM/GPRS module is disabled most of the time. {{{model|FMB640}}} will receive the SMS/GPRS message when it exits Deep Sleep mode.<br/>If {{{model|FMB640}}} is in GPS Sleep or Online Deep Sleep mode, sent SMS/GPRS message will arrive to the device.

All commands are case sensitive. When user tries to send SMS/GPRS message to {{{model|FMB640}}} that operates in Deep Sleep mode, it cannot arrive to {{{model|FMB640}}} device because the GSM/GPRS module is disabled most of the time. {{{model|FMB640}}} will receive the SMS/GPRS message when it exits Deep Sleep mode.<br/>If {{{model|FMB640}}} is in GPS Sleep or Online Deep Sleep mode, sent SMS/GPRS message will arrive to the device.

==Common commands==

==Common commands==