Supported AT Command Reference
30 2130617
!BCINF
Supporting modems:
• All
Returns the bootloader version
This command is used to return the module’s bootloader version.
Usage:
• AT!BCINF returns several values—the bootloader version is the second
parameter returned.
Example:
AT!BCINF returns:
BOOT
Address: <...>
Version: <version>
...
Parameters:
<version> (bootloader version):
• ASCII string
• Maximum length: 84 characters
• Example: H1_0_0_0ACBT G:/WS/FW/H1_0_0_0ACBT/MSM6280/SRC
2006/09/01 16:33:30
!BOOTHOLD
Supporting modems:
• All
Resets modem and waits in bootloader for firmware
download
This command is used to prepare for a firmware download by resetting the
modem and waiting in ‘boot and hold’ mode.
Usage:
• AT!BOOTHOLD forces the modem to backup user NV options, reset, and
then wait in boot and hold mode for a firmware download.
^CARDMODE
Supporting modems:
• All
Returns SIM card mode (card type)
This command is used to identify the type of SIM card being used.
Returned parameters:
<sim_type> (the type of sim card)
• 0 = unknown
• 1 = SIM
• 2 = USIM
Table 3-2: Modem status, customization, and reset commands (Continued)
Command Description
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