<![CDATA[LTE modem stops to reply]]> rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:1 load:0x3fff8028,len:8 load:0x3fff8030,len:1728 load:0x4009fa00,len:0 load:0x4009fa00,len:14584 entry 0x400a059c Pycom MicroPython 1.18.1.r1 [v1.8.6-849-b0520f1] on 2018-08-29; GPy with ESP32 Type "help()" for more information. >>> from network import LTE >>> >>> >>> lte = LTE() >>> >>> >>> >>> lte.send_at_cmd('AT') '\r\nOK\r\n' >>> lte.attach() >>> >>> >>> >>> lte.is isattached isconnected >>> lte.isattached() False >>> >>> >>> >>> >>> lte.isattached() False >>> >>> >>> >>> lte.isattached() False >>> >>> >>> >>> slte.e >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT!="ifconfig"') '\r\n lo0\tLink HWaddrLen 0 HWaddr 00:00:00:00:00:00\r\n \tUP MTU:0\r\n \tinet Addr:127.0.0.1 Gw:127.0.0.1 Mask:255.0.0.0\r\n \tinet6 Addr: ::1\r\n\r\nOK\r\n' >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> lte.send_at_cmd('AT+CPIN?') '\r\n+CPIN: READY\r\n\r\nOK\r\n' >>> lte.send_at_cmd('AT+COPS?') '\r\n+COPS: 0\r\n\r\nOK\r\n' >>> >>> >>> >>> lte.send_at_cmd('AT+COPS=?') '' >>> >>> >>> lte.send_at_cmd('AT+CFUN=?') '' >>> >>> lte.send_at_cmd('AT+CFUN?') '' >>> >>> >>> >>> >>> lte.send_at_cmd('AT') '' >>> ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:1 load:0x3fff8028,len:8 load:0x3fff8030,len:1728 load:0x4009fa00,len:0 load:0x4009fa00,len:14584 entry 0x400a059c Pycom MicroPython 1.18.1.r1 [v1.8.6-849-b0520f1] on 2018-08-29; GPy with ESP32 Type "help()" for more information. >>> from network import LTE >>> lte = LTE()

and freeze there....

SYSTEM VERSION

FIRMWARE VERSION
Bootloader0 : 5.1.1.0 [33080]
Bootloader1 : 5.1.1.0 [38638]
Bootloader2* : 6.0.0.0 [38729]
NV Info : 1.1,0,0
Software : 6.0.0.0 [38729] by robot-soft at 2018-08-23 15:18:03
UE : 6.0.0.0
COMPONENTS
ZSP0 : 1.0.98-3150
ZSP1 : 1.0.98-3140

]]>https://forum.pycom.io/topic/3962/lte-modem-stops-to-replyRSS for NodeTue, 13 Oct 2026 18:52:21 GMTTue, 06 Nov 2018 14:46:37 GMT60<![CDATA[Reply to LTE modem stops to reply on Tue, 06 Nov 2018 14:47:14 GMT]]> rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:1 load:0x3fff8028,len:8 load:0x3fff8030,len:1728 load:0x4009fa00,len:0 load:0x4009fa00,len:14584 entry 0x400a059c Pycom MicroPython 1.18.1.r1 [v1.8.6-849-b0520f1] on 2018-08-29; GPy with ESP32 Type "help()" for more information. >>> from network import LTE >>> >>> >>> lte = LTE() >>> >>> >>> >>> lte.send_at_cmd('AT') '\r\nOK\r\n' >>> lte.attach() >>> >>> >>> >>> lte.is isattached isconnected >>> lte.isattached() False >>> >>> >>> >>> >>> lte.isattached() False >>> >>> >>> >>> lte.isattached() False >>> >>> >>> >>> slte.e >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> lte.send_at_cmd('AT!="ifconfig"') '\r\n lo0\tLink HWaddrLen 0 HWaddr 00:00:00:00:00:00\r\n \tUP MTU:0\r\n \tinet Addr:127.0.0.1 Gw:127.0.0.1 Mask:255.0.0.0\r\n \tinet6 Addr: ::1\r\n\r\nOK\r\n' >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> >>> >>> >>> >>> >>> lte.send_at_cmd('AT+CEREG?') '\r\n+CEREG: 2,2\r\n\r\nOK\r\n' >>> >>> lte.send_at_cmd('AT+CPIN?') '\r\n+CPIN: READY\r\n\r\nOK\r\n' >>> lte.send_at_cmd('AT+COPS?') '\r\n+COPS: 0\r\n\r\nOK\r\n' >>> >>> >>> >>> lte.send_at_cmd('AT+COPS=?') '' >>> >>> >>> lte.send_at_cmd('AT+CFUN=?') '' >>> >>> lte.send_at_cmd('AT+CFUN?') '' >>> >>> >>> >>> >>> lte.send_at_cmd('AT') '' >>> ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:1 load:0x3fff8028,len:8 load:0x3fff8030,len:1728 load:0x4009fa00,len:0 load:0x4009fa00,len:14584 entry 0x400a059c Pycom MicroPython 1.18.1.r1 [v1.8.6-849-b0520f1] on 2018-08-29; GPy with ESP32 Type "help()" for more information. >>> from network import LTE >>> lte = LTE()

and freeze there....

SYSTEM VERSION

FIRMWARE VERSION
Bootloader0 : 5.1.1.0 [33080]
Bootloader1 : 5.1.1.0 [38638]
Bootloader2* : 6.0.0.0 [38729]
NV Info : 1.1,0,0
Software : 6.0.0.0 [38729] by robot-soft at 2018-08-23 15:18:03
UE : 6.0.0.0
COMPONENTS
ZSP0 : 1.0.98-3150
ZSP1 : 1.0.98-3140

]]>https://forum.pycom.io/post/23329https://forum.pycom.io/post/23329Tue, 06 Nov 2018 14:47:14 GMT<![CDATA[Reply to LTE modem stops to reply on Tue, 06 Nov 2018 15:20:07 GMT]]>@abrilevskiy AT+COPS=? can take a very long time to finish, longer than the 10 seconds the send_at_command waits for an answer. So if you wait a while, even several minutes, you'll back to normal response. Just use a single AT command for checking.

]]>https://forum.pycom.io/post/23331https://forum.pycom.io/post/23331Tue, 06 Nov 2018 15:20:07 GMT<![CDATA[Reply to LTE modem stops to reply on Tue, 06 Nov 2018 18:11:44 GMT]]>You may be encountering issue mentioned here:
https://github.com/pycom/pycom-micropython-sigfox/issues/225

]]>https://forum.pycom.io/post/23337https://forum.pycom.io/post/23337Tue, 06 Nov 2018 18:11:44 GMT