Supported AT Command Reference
14 2130617
Memory Management Commands Thischapterdescribes
commandsthatcontrolthedatastoredinnon‐volatilememory
ofthemodem.
SIM Commands Thischapterdescribescommandsthat
communicatewithaninstalled(U)SIM.
Conventions
Thefollowingformatconventionsareusedinthisreference:
Charactercodesorkeystrokesthataredescribedwithwordsor
standardabbreviationsareshownwithinanglebracketsusing
adifferentfont,suchas
<CR>forCarriageReturnand<space>
forablankspacecharacter.
Numericvaluesaredecimalunlessprefixedasnotedbelow.
Hexadecimalvaluesareshownwithaprefixof0x,i.e.inthe
form0x3D.
Binaryvaluesareshownwithaprefixof0b,i.e.intheform
0b00111101.
Table 1-3: Test commands
Cmnd Pg Description Supporting
modems
!ERR 61 Displays diagnostic information All
!GCCLR 61 Clears crash dump data All
!GCDUMP 61 Displays the crash dump data All
Table 1-4: Memory management commands
Cmnd Pg Description Supporting
modems
!NVBACKUP 63 Backs up items stored in non-volatile memory All
Table 1-5: SIM commands
Cmnd Pg Description Supporting
modems
!AUTH 65 !AUTH = <randNumber> All
!ICCID 66 Returns (U)SIM card’s ICCID All
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