GPRS no response to AT

Hello,
I have a WR11 that seems to be having cellular connectivity issues, can you please help, here is the log:

19:11:04, 13 Oct 2021,Login failure by LWV-016: WEB
11:42:05, 13 Oct 2021,Default Route 0 Available,Activation
11:42:05, 13 Oct 2021,PPP 1 up
11:42:05, 13 Oct 2021,PPP 1 Start
11:42:05, 13 Oct 2021,Modem connected on asy 2
11:42:05, 13 Oct 2021,GPRS: Context activation successful
11:42:04, 13 Oct 2021,GPRS: Activating context 3
11:42:03, 13 Oct 2021,Modem dialing on asy 2 #:981#
11:41:53, 13 Oct 2021,PPP 1 down,LL disconnect
11:41:53, 13 Oct 2021,Modem disconnected on asy 2,Failed to connect
11:41:05, 13 Oct 2021,Network technology changed to LTE
11:41:05, 13 Oct 2021,GPRS Registration On
11:41:05, 13 Oct 2021,GPRS Attachment On
11:40:55, 13 Oct 2021,Network technology changed to Unknown
11:40:55, 13 Oct 2021,GPRS Registration Off
11:40:55, 13 Oct 2021,GPRS Attachment Off
11:40:54, 13 Oct 2021,GPRS: Context activation successful
11:40:54, 13 Oct 2021,GPRS: Activating context 1
11:40:53, 13 Oct 2021,GPRS: Activating context 3
11:40:32, 13 Oct 2021,Modem dialing on asy 2 #:981#
11:40:30, 13 Oct 2021,DTR Up ASY 3
11:40:30, 13 Oct 2021,DTR Up ASY 4
11:40:30, 13 Oct 2021,DTR Up ASY 2
11:40:30, 13 Oct 2021,ASY 3 assigned to usb-2-1 (FIH7160)
11:40:30, 13 Oct 2021,ASY 4 assigned to usb-2-1 (FIH7160)
11:40:30, 13 Oct 2021,ASY 2 assigned to usb-2-1 (FIH7160)
11:40:30, 13 Oct 2021,USB-2 device 2 connected: FIH7160
11:40:27, 13 Oct 2021,USB-2 device 2 disconnected: No devices attached
11:40:24, 13 Oct 2021,USB-2 device 2 connected: product 0x0716
11:40:21, 13 Oct 2021,DTR Down ASY 3
11:40:21, 13 Oct 2021,DTR Down ASY 4
11:40:21, 13 Oct 2021,DTR Down ASY 2
11:40:21, 13 Oct 2021,ASY 3 unassigned
11:40:21, 13 Oct 2021,ASY 4 unassigned
11:40:21, 13 Oct 2021,ASY 2 unassigned
11:40:20, 13 Oct 2021,USB-2 device 2 disconnected: Has devices attached
11:40:15, 13 Oct 2021,GPRS Registration On
11:40:14, 13 Oct 2021,PPP 1 down,LL disconnect
11:40:14, 13 Oct 2021,GPRS link failed -> power cycling m,Link Retries
11:40:14, 13 Oct 2021,Modem disconnected on asy 2,Call breakdown timeout
11:40:07, 13 Oct 2021,GPRS: No response to AT
11:39:55, 13 Oct 2021,Modem dialing on asy 2 #:981#
11:39:45, 13 Oct 2021,PPP 1 down,LL disconnect
11:39:45, 13 Oct 2021,Modem disconnected on asy 2,Call breakdown timeout
11:39:38, 13 Oct 2021,GPRS: No response to AT
11:39:25, 13 Oct 2021,Modem dialing on asy 2 #:981#
11:39:15, 13 Oct 2021,PPP 1 down,LL disconnect
11:39:15, 13 Oct 2021,Modem disconnected on asy 2,Call breakdown timeout