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1		-BC660-GL module FOTA upgrade firmware

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1		-Main.WebHome

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1		-
2		-
3		-The current firmware for all BC660-GL modules is: BC660KGLAAR01A05 01.002.01.002
4		-The latest firmware upgrade is: BC660KGLAAR01A05_01.203.01.203
5		-You can use the AT+QGMR command to query the firmware version
6		-The method to upgrade the firmware of the NB module is as follows:
7		-~1. First, completely erase the program of the NBST module.
8		-2. The NB module needs to insert a SIM card and ensure network connectivity.
9		-3. Use TTL-USB serial port tool to connect TX and RX, GND of NBST,
10		-
11		-[[image:1720682410182-594.png]]
12		-
13		-
14		-[[image:1720682422086-684.png]]
15		-
16		-
17		-[[image:1720682438315-576.png]]
18		-No welding is required, just touch it with DuPont wire.
19		-4. The device needs to be powered on, open the serial port debugging tool, connect the COM of the USB serial port with a baud rate of 115200, and then perform FOTA firmware upgrade.
20		-5. After opening the serial port, send the AT+QIDNSCFG=0, "223.5.5.5", "8.8.8.8" commands and return OK
21		-Send AT+QFOTADL again= http:~/~/repo.dragino.com/release/NB/Update_BC660KGLAAR01A05_01.002.01.002-R01A05_01.203.01.203.zip command
22		-The device is starting to upgrade firmware, as shown in the following figure:
23		-
24		-[[image:1720682486714-234.png]]
25		-
26		-
27		-Successfully upgrading firmware will prompt the following message:
28		-
29		-[[image:1720682517629-407.png]]
30		-The firmware upgrade was successful.
31		-
32		-
33		-You can use AT+QGMR to check the firmware version
34		-
35		-[[image:1720682568103-178.png]]