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1		-BC660-GL module FOTA upgrade firmware

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1		-Main.WebHome

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1		-**Table of Contents: **
2		-
3		-{{toc/}}
4		-
5		-
6		-= 1. Overview =
7		-
8		-
9		-The current firmware for all BC660-GL modules is: (% style="color:blue" %)**BC660KGLAAR01A05 01.002.01.002**
10		-
11		-The latest firmware upgrade is: (% style="color:blue" %)**BC660KGLAAR01A05_01.203.01.203**
12		-
13		-You can use the (% style="color:blue" %)**AT+QGMR**(%%) command to query the firmware version.
14		-
15		-
16		-= 2. The method to upgrade the firmware of the NB module is as follows: =
17		-
18		-
19		-(% style="color:blue" %)**Step 1:**(%%) First, completely erase the program of the NBST module.
20		-
21		-
22		-(% style="color:blue" %)**Step 2:**(%%) The NB module needs to insert a SIM card and ensure network connectivity.
23		-
24		-
25		-(% style="color:blue" %)**Step 3:**(%%) Use TTL-USB serial port tool to connect TX and RX, GND of NBST,
26		-
27		-[[image:1720682410182-594.png]]
28		-
29		-
30		-[[image:1720682422086-684.png]]
31		-
32		-
33		-[[image:1720682438315-576.png]]
34		-No welding is required, just touch it with DuPont wire.
35		-
36		-
37		-(% style="color:blue" %)**Step 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.
38		-
39		-
40		-(% style="color:blue" %)**Step 5:**(%%) After opening the serial port, send the (% style="color:#037691" %)**AT+QIDNSCFG=0, "223.5.5.5", "8.8.8.8"**(%%) commands,  return OK.
41		-
42		-Send (% style="color:#037691" %)**AT+QFOTADL again= http:~/~/repo.dragino.com/release/NB/Update_BC660KGLAAR01A05_01.002.01.002-R01A05_01.203.01.203.zip**(%%) command,
43		-The device is starting to upgrade firmware, as shown in the following figure:
44		-
45		-[[image:1720682486714-234.png]]
46		-
47		-
48		-Successfully upgrading firmware will prompt the following message:
49		-
50		-[[image:1720682517629-407.png]]
51		-The firmware upgrade was successful.
52		-
53		-
54		-You can use (% style="color:#037691" %)**AT+QGMR** (%%)to check the firmware version.
55		-
56		-[[image:1720682568103-178.png]]
57		-
58		-