I did this as per the link provided by rickkas7
After applying the firmware, the cyan LED is still flashing rapidly.
Here are my outputs.
C:\Users\Administrator\Downloads>particle flash --usb firmware.bin
Flash success!
C:\Users\Administrator\Downloads>particle serial monitor
Opening serial monitor for com port: "COM3"
Serial monitor opened successfully:
clouddebug: press letter corresponding to the command
a - enter APN for 3rd-party SIM card
k - set keep-alive value
c - show carriers at this location
t - run normal tests (occurs automatically after 10 seconds)
or tap the MODE button once to show carriers
starting tests...
turning cellular on...
deviceID=230029000351373330393736
manufacturer=u-blox
model=SARA-U260
firmware version=23.20
ordering code=SARA-U260-00S-01
IMEI=352580082805826
IMSI=u-blox
ICCID=8934075500003392033
0000020912 [app] INFO: enabling trace logging
attempting to connect to the cellular network...
0000020912 [system] INFO: Sim Ready
0000020912 [system] INFO: Sim Ready
0000020914 [system] INFO: ARM_WLAN_WD 1
0000020914 [system] INFO: ARM_WLAN_WD 1
[ Modem::register ] = = = = = = = = = = = = = =
20.915 AT send 10 "AT+CREG?\r\n"
20.925 AT read + 32 "\r\n+CREG: 2,5,\"F370\",\"45F658\",6\r\n"
20.935 AT read OK 6 "\r\nOK\r\n"
20.935 AT send 11 "AT+CGREG?\r\n"
20.945 AT read + 38 "\r\n+CGREG: 2,5,\"F370\",\"45F658\",6,\"01\"\r\n"
20.956 AT read OK 6 "\r\nOK\r\n"
20.956 AT send 10 "AT+COPS?\r\n"
21.006 AT read + 43 "\r\n+COPS: 0,0,\"CAN Rogers Wireless Inc.\",2\r\n"
21.017 AT read OK 6 "\r\nOK\r\n"
21.017 AT send 8 "AT+CSQ\r\n"
21.027 AT read + 14 "\r\n+CSQ: 11,3\r\n"
21.037 AT read OK 6 "\r\nOK\r\n"
[ Modem::join ] = = = = = = = = = = = = = = = =
21.037 AT send 12 "AT+CGATT=1\r\n"
21.048 AT read OK 6 "\r\nOK\r\n"
21.048 AT send 14 "AT+UPSND=0,8\r\n"
21.058 AT read + 17 "\r\n+UPSND: 0,8,1\r\n"
21.068 AT read OK 6 "\r\nOK\r\n"
21.068 AT send 14 "AT+UPSND=0,0\r\n"
21.078 AT read + 30 "\r\n+UPSND: 0,0,\"10.45.138.16\"\r\n"
21.088 AT read OK 6 "\r\nOK\r\n"
21.088 AT send 14 "AT+UPSND=0,1\r\n"
21.098 AT read + 30 "\r\n+UPSND: 0,1,\"80.58.61.250\"\r\n"
21.108 AT read OK 6 "\r\nOK\r\n"
21.108 AT send 14 "AT+UPSND=0,2\r\n"
21.118 AT read + 30 "\r\n+UPSND: 0,2,\"80.58.61.254\"\r\n"
21.128 AT read OK 6 "\r\nOK\r\n"
0000021129 [system] INFO: ARM_WLAN_WD 2
0000021129 [system] INFO: ARM_WLAN_WD 2
0000021129 [system] INFO: CLR_WLAN_WD 1, DHCP success
0000021129 [system] INFO: CLR_WLAN_WD 1, DHCP success
connected to the cellular network in 0 milliseconds
connected to cellular network!
21.132 AT send 12 "AT+UDOPN=9\r\n"
21.183 AT read + 40 "\r\n+UDOPN: 2,\"CAN Rogers Wireless Inc.\"\r\n"
21.194 AT read OK 6 "\r\nOK\r\n"
operator name=CAN Rogers Wireless Inc.
21.194 AT send 8 "AT+CSQ\r\n"
21.205 AT read + 14 "\r\n+CSQ: 11,3\r\n"
21.215 AT read OK 6 "\r\nOK\r\n"
rssi=-91, qual=3
21.215 AT send 11 "AT+CGED=5\r\n"
21.225 AT read ERR 39 "\r\n+CME ERROR: operation not supported\r\n"
21.225 AT send 11 "AT+CGED=3\r\n"
21.246 AT read + 22 "\r\n+CGED: RAT:\"UMTS\",\r\n"
21.256 AT read UNK 61 "\r\nMCC:302, MNC:720, LAC:f370, CI:045f658, DLF:1037
, ULF:812\r\n"
21.267 AT read OK 6 "\r\nOK\r\n"
0000021268 [app] INFO: service rat=UMTS mcc=302, mnc=720, lac=f370 ci=45f658 ban
d=DCS 1800 rssi=0 dlf=1037 ulf=812
0000021268 [app] INFO: service rat=UMTS mcc=302, mnc=720, lac=f370 ci=45f658 ban
d=DCS 1800 rssi=0 dlf=1037 ulf=812
21.269 AT send 20 "AT+UPING=\"8.8.8.8\"\r\n"
21.280 AT read OK 6 "\r\nOK\r\n"
ping addr 8.8.8.8=1
21.280 AT send 31 "AT+UDNSRN=0,\"device.spark.io\"\r\n"
24.011 AT read + 28 "\r\n+UDNSRN: \"34.201.17.242\"\r\n"
24.021 AT read OK 6 "\r\nOK\r\n"
device.spark.io=34.201.17.242
connecting to cloud
0000024022 [system] INFO: Cloud: connecting
0000024022 [system] INFO: Cloud: connecting
0000024023 [system] TRACE: sparkSocket Now =-1
0000024027 [system] INFO: Read Server Address = type:1,domain:$id.udp.particle.i
o
0000024027 [system] INFO: Read Server Address = type:1,domain:$id.udp.particle.i
o
24.027 AT send 56 "AT+UDNSRN=0,\"230029000351373330393736.udp.particle.
io\"\r\n"
24.048 AT read + 27 "\r\n+UDNSRN: \"18.215.16.45\"\r\n"
24.058 AT read OK 6 "\r\nOK\r\n"
0000024060 [system] INFO: Resolved host 230029000351373330393736.udp.particle.io
to 18.215.16.45
0000024060 [system] INFO: Resolved host 230029000351373330393736.udp.particle.io
to 18.215.16.45
24.060 AT send 15 "AT+USOCTL=0,1\r\n"
24.070 AT read + 18 "\r\n+USOCTL: 0,1,0\r\n"
24.080 AT read OK 6 "\r\nOK\r\n"
Socket handle 0 was open, now closing...
24.080 AT send 12 "AT+USOCL=0\r\n"
24.531 AT read OK 6 "\r\nOK\r\n"
Socket handle 0 was closed.
24.531 AT send 15 "AT+USOCTL=1,1\r\n"
24.532 AT read + 68 "\r\n+UUPING: 1,32,\"google-public-dns-a.google.com\"
,\"8.8.8.8\",118,810\r\n"
24.543 AT read ERR 37 "\r\n+CME ERROR: operation not allowed\r\n"
24.543 AT send 15 "AT+USOCTL=2,1\r\n"
24.554 AT read ERR 37 "\r\n+CME ERROR: operation not allowed\r\n"
24.554 AT send 15 "AT+USOCTL=3,1\r\n"
24.565 AT read ERR 37 "\r\n+CME ERROR: operation not allowed\r\n"
24.565 AT send 15 "AT+USOCTL=4,1\r\n"
24.576 AT read ERR 37 "\r\n+CME ERROR: operation not allowed\r\n"
24.576 AT send 15 "AT+USOCTL=5,1\r\n"
24.587 AT read ERR 37 "\r\n+CME ERROR: operation not allowed\r\n"
24.587 AT send 15 "AT+USOCTL=6,1\r\n"
24.598 AT read ERR 37 "\r\n+CME ERROR: operation not allowed\r\n"
socketSocket: closed stale socket handle(s)
socketSocket(UDP)
24.599 AT send 18 "AT+USOCR=17,5684\r\n"
24.610 AT read + 13 "\r\n+USOCR: 0\r\n"
24.620 AT read OK 6 "\r\nOK\r\n"
Socket 0: handle 0 was created
0000024621 [system] TRACE: socketed udp=1, sparkSocket=0, 1
0000024621 [system] TRACE: connection attempt to 18.215.16.45:5684
0000024622 [system] INFO: Cloud socket connected
0000024622 [system] INFO: Cloud socket connected
0000024624 [system] INFO: Starting handshake: presense_announce=0
0000024624 [system] INFO: Starting handshake: presense_announce=0
0000024626 [comm.protocol.handshake] INFO: Establish secure connection
0000024626 [comm.protocol.handshake] INFO: Establish secure connection
0000024637 [comm.dtls] TRACE: restore size mismatch 1: 0/220
0000024637 [comm.dtls] INFO: (CMPL,RENEG,NO_SESS,ERR) restoreStatus=2
0000024637 [comm.dtls] INFO: (CMPL,RENEG,NO_SESS,ERR) restoreStatus=2
0000024640 [system] TRACE: send 115
socketSendTo(0,18.215.16.45,5684,,115)
24.639 AT send 36 "AT+USOST=0,\"18.215.16.45\",5684,115\r\n"
24.650 AT read > 3 "\r\n@"
24.700 AT send 115 "\x16\xfe\xfd\x00\x00\x00\x00\x00\x00\x00\x00\x00f\x0
1\x00\x00Z\x00\x00\x00\x00\x00\x00\x00Z\xfe\xfd\x95\xad\x05\xff}\x80.\xa8\xbc\x1
f\xe1\x98\x8c\x84\xfeY\xf0\xa8\xe4\f\xbe\x9ei\xfa\x03F\x86\x01\xf3_\xbd\xe2\x00\
x00\x00\x04\xc0\xae\x00\xff\x01\x00\x00,\x00\r\x00\x0e\x00\f\x04\x03\x04\x01\x03
\x03\x03\x01\x02\x03\x02\x01\x00\n\x00\x04\x00\x02\x00\x17\x00\v\x00\x02\x01\x00
\x00\x13\x00\x02\x01\x02\x00\x14\x00\x02\x01\x02"
24.855 AT read + 17 "\r\n+USOST: 0,115\r\n"
24.865 AT read OK 6 "\r\nOK\r\n"
24.865 AT send 14 "AT+USORF=0,0\r\n"
24.875 AT read + 15 "\r\n+USORF: 0,0\r\n"
Socket 0: handle 0 has 0 bytes pending
24.885 AT read OK 6 "\r\nOK\r\n"
25.415 AT read + 68 "\r\n+UUPING: 2,32,\"google-public-dns-a.google.com\"
,\"8.8.8.8\",118,624\r\n"
26.206 AT read + 17 "\r\n+UUSORD: 0,60\r\n"
Socket 0: handle 0 has 60 bytes pending
26.216 AT send 17 "AT+USORF=0,1024\r\n"
26.236 AT read + 97 "\r\n+USORF: 0,\"18.215.16.45\",5684,60,\"\x16\xfe\xf
d\x00\x00\x00\x00\x00\x00\x00\x00\x00/\x03\x00\x00#\x00\x00\x00\x00\x00\x00\x00#
\xfe\xfd \\\\<vRK\r\x90\x04DA4\xd0\xc8\xadD\xcfZ&\xe3\xb0Y9\xca\xb1\xf2\xe9M\xc5
\f\x06&\""
26.250 AT read OK 6 "\r\nOK\r\n"
26.250 AT send 14 "AT+USORF=0,0\r\n"
26.260 AT read + 15 "\r\n+USORF: 0,0\r\n"
Socket 0: handle 0 has 0 bytes pending
26.270 AT read OK 6 "\r\nOK\r\n"
0000026271 [system] TRACE: received 60
0000026271 [system] TRACE: send 147
socketSendTo(0,18.215.16.45,5684,,147)
26.271 AT send 36 "AT+USOST=0,\"18.215.16.45\",5684,147\r\n"
26.282 AT read > 3 "\r\n@"
26.332 AT send 147 "\x16\xfe\xfd\x00\x00\x00\x00\x00\x00\x00\x01\x00\x86
\x01\x00\x00z\x00\x01\x00\x00\x00\x00\x00z\xfe\xfd\x95\xad\x05\xff}\x80.\xa8\xbc
\x1f\xe1\x98\x8c\x84\xfeY\xf0\xa8\xe4\f\xbe\x9ei\xfa\x03F\x86\x01\xf3_\xbd\xe2\x
00 \\\\<vRK\r\x90\x04DA4\xd0\xc8\xadD\xcfZ&\xe3\xb0Y9\xca\xb1\xf2\xe9M\xc5\f\x06
&\x00\x04\xc0\xae\x00\xff\x01\x00\x00,\x00\r\x00\x0e\x00\f\x04\x03\x04\x01\x03\x
03\x03\x01\x02\x03\x02\x01\x00\n\x00\x04\x00\x02\x00\x17\x00\v\x00\x02\x01\x00\x
00\x13\x00\x02\x01\x02\x00\x14\x00\x02\x01\x02"
26.489 AT read + 17 "\r\n+USOST: 0,147\r\n"
26.499 AT read OK 6 "\r\nOK\r\n"
26.499 AT send 14 "AT+USORF=0,0\r\n"
26.509 AT read + 15 "\r\n+USORF: 0,0\r\n"
Socket 0: handle 0 has 0 bytes pending
26.519 AT read OK 6 "\r\nOK\r\n"
26.619 AT read + 68 "\r\n+UUPING: 3,32,\"google-public-dns-a.google.com\"
,\"8.8.8.8\",118,963\r\n"
27.870 AT read + 18 "\r\n+UUSORD: 0,118\r\n"
Socket 0: handle 0 has 118 bytes pending
27.880 AT send 17 "AT+USORF=0,1024\r\n"
27.900 AT read + 156 "\r\n+USORF: 0,\"18.215.16.45\",5684,118,\"\x16\xfe\x
fd\x00\x00\x00\x00\x00\x00\x00\x01\x00i\x02\x00\x00]\x00\x01\x00\x00\x00\x00\x00
]\xfe\xfd\\\\<x\xd2\xa0\xcc{\xa6\xb1 \xa8\x04j\x98\xb9\x0fZ\xf8\xd3-\xda\x1a\xf4
Z\xe8\x16\xf4\x12\xb3$\xf8 d_\xa3\x89J\xf3B\a\x16\f\xe9\x95\xe1x\xbc\x04a^\xa0]\
x94\xbe\xd6<\x84w\x91\xc5\xa3\xf9\xde\x83\xc0\xae\x00\x00\x15\xff\x01\x00\x01\x0
0\x00\v\x00\x02\x01\x00\x00\x13\x00\x01\x02\x00\x14\x00\x01\x02\""
27.917 AT read OK 6 "\r\nOK\r\n"
27.917 AT send 14 "AT+USORF=0,0\r\n"
27.927 AT read + 15 "\r\n+USORF: 0,0\r\n"
Socket 0: handle 0 has 0 bytes pending
27.937 AT read OK 6 "\r\nOK\r\n"
0000027938 [system] TRACE: received 118
27.937 AT read + 18 "\r\n+UUSORD: 0,169\r\n"
Socket 0: handle 0 has 169 bytes pending
27.948 AT send 17 "AT+USORF=0,1024\r\n"
27.978 AT read + 207 "\r\n+USORF: 0,\"18.215.16.45\",5684,169,\"\x16\xfe\x
fd\x00\x00\x00\x00\x00\x00\x00\x02\x00\x9c\f\x00\x00\x90\x00\x02\x00\x00\x00\x00
\x00\x90\x03\x00\x17A\x04(A\x8c\x8b\xda\xf3^\x98\xfa\xbc\x9c\xd1\x8d\xe1t\xdc\xc
dm\xd2}*\x03\x89\xa3}\n<\x02\x87\xc2\x99\xb9\xc6O\xaeu.\x94JdZ\x0f1\xc1_\xa2l\xb
9\xa9\x1cum\x93\xa3\x97q\xa5\x0f\xb8%\x93\x17\xe38\x04\x03\x00G0E\x02 W\xae\xd28
\x80\x93\xe4'\xcfs\xd0\x0f\x86\x9dmW*\xa7n\x8f\xa1\xab\x89E\xea\xf3\xfa3 \x83\xa
5\xf7\x02!\x00\xba(\xf6\xfcg?\x1b;\"Sr\xd5\\$e\x0f%\xe5%\xbc\xceS\xfcT\xec\xa5\x
d6SM\xce\xa1\x0f\""
27.996 AT read OK 6 "\r\nOK\r\n"
27.996 AT send 14 "AT+USORF=0,0\r\n"
27.996 AT read + 17 "\r\n+UUSORF: 1,33\r\n"
Socket -1: handle 1 has 33 bytes pending
28.007 AT read + 16 "\r\n+USORF: 0,58\r\n"
Socket 0: handle 0 has 58 bytes pending
28.017 AT read OK 6 "\r\nOK\r\n"
0000028018 [system] TRACE: received 169
Caught Interrupt. Cleaning up.
Serial connection closed.
C:\Users\Administrator\Downloads>