Digi XBee 3 Cellular LTE-M User Manual page 300

File system API frames
Value Command
0x57 Hardware failure
0x58 Volume offline/format required
0x59 Volume full
0x5A Operation timed out
0x5B Busy (wait for prior command to complete then try again)
0x5C Resource failure (memory allocation failed, try again)
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
Local File System Response - 0xBB
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