Problem connecting

I have been using GSM/GPRS hat but need to setup my raspberry from scratch and having problem getting connection. I did use uart with ttyS0 and getting blue light up but no connection.
Did use Setting up the PPP connection for Sixfab Shield/HAT

This is the errors

tail -f /var/log/syslog
Jan 24 23:55:47 A-piweathercam bash[385]: #033[0;32m2022/01/24->#033[1;34m23:55:41 #033[0m SIM Status: #033[0;32m2022/01/24->#033[1;34m23:55:45 #033[0m Network Registration Status:
Jan 24 23:55:47 A-piweathercam bash[385]: #033[0;32m2022/01/24->#033[1;34m23:55:47 #033[0m Retrying network registration…
Jan 24 23:55:54 A-piweathercam bash[385]: #033[0;32m2022/01/24->#033[1;34m23:55:49 #033[0m SIM Status: #033[0;32m2022/01/24->#033[1;34m23:55:52 #033[0m Network Registration Status:

pi@A-piweathercam:~ $ sudo pon
pppd options in effect:
debug # (from /etc/ppp/peers/provider)
updetach # (from /etc/ppp/peers/provider)
persist # (from /etc/ppp/peers/provider)
dump # (from /etc/ppp/peers/provider)
noauth # (from /etc/ppp/peers/provider)
remotename 3gppp # (from /etc/ppp/peers/provider)
/dev/ttyS0 # (from /etc/ppp/peers/provider)
115200 # (from /etc/ppp/peers/provider)
lock # (from /etc/ppp/peers/provider)
connect chat -s -v -f /etc/chatscripts/chat-connect -T internet # (from /etc/ppp/peers/provider)
disconnect chat -s -v -f /etc/chatscripts/chat-disconnect # (from /etc/ppp/peers/provider)
nocrtscts # (from /etc/ppp/peers/provider)
modem # (from /etc/ppp/peers/provider)
asyncmap 0 # (from /etc/ppp/options)
lcp-echo-failure 4 # (from /etc/ppp/options)
lcp-echo-interval 30 # (from /etc/ppp/options)
hide-password # (from /etc/ppp/peers/provider)
novj # (from /etc/ppp/peers/provider)
novjccomp # (from /etc/ppp/peers/provider)
ipcp-accept-local # (from /etc/ppp/peers/provider)
ipcp-accept-remote # (from /etc/ppp/peers/provider)
ipparam 3gppp # (from /etc/ppp/peers/provider)
noipdefault # (from /etc/ppp/peers/provider)
ipcp-max-failure 30 # (from /etc/ppp/peers/provider)
defaultroute # (from /etc/ppp/peers/provider)
usepeerdns # (from /etc/ppp/peers/provider)
noccp # (from /etc/ppp/peers/provider)
noipx # (from /etc/ppp/options)
Can’t get terminal parameters: Input/output error
Script chat -s -v -f /etc/chatscripts/chat-connect -T internet finished (pid 3199), status = 0x2
Connect script failed

pi@A-piweathercam:/dev $ ls
autofs loop5 ram3 tty17 tty41 tty9 vcsu1
block loop6 ram4 tty18 tty42 ttyAMA0 vcsu2
btrfs-control loop7 ram5 tty19 tty43 ttyprintk vcsu3
bus loop-control ram6 tty2 tty44 ttyS0 vcsu4
cachefiles mapper ram7 tty20 tty45 uhid vcsu5
char media0 ram8 tty21 tty46 uinput vcsu6
console media1 ram9 tty22 tty47 urandom vhci
cuse media2 random tty23 tty48 v4l video0
disk mem raw tty24 tty49 vchiq video10
dma_heap mmcblk0 rfkill tty25 tty5 vcio video11
fb0 mmcblk0p1 serial0 tty26 tty50 vc-mem video12
fd mmcblk0p2 serial1 tty27 tty51 vcs video13
full mqueue shm tty28 tty52 vcs1 video14
fuse net snd tty29 tty53 vcs2 video15
gpiochip0 null stderr tty3 tty54 vcs3 video16
gpiomem ppp stdin tty30 tty55 vcs4 video18
hwrng ptmx stdout tty31 tty56 vcs5 video20
i2c-1 pts tty tty32 tty57 vcs6 video21
initctl ram0 tty0 tty33 tty58 vcsa video22
input ram1 tty1 tty34 tty59 vcsa1 video23
kmsg ram10 tty10 tty35 tty6 vcsa2 watchdog
log ram11 tty11 tty36 tty60 vcsa3 watchdog0
loop0 ram12 tty12 tty37 tty61 vcsa4 zero
loop1 ram13 tty13 tty38 tty62 vcsa5
loop2 ram14 tty14 tty39 tty63 vcsa6
loop3 ram15 tty15 tty4 tty7 vcsm-cma
loop4 ram2 tty16 tty40 tty8 vcsu
pi@A-piweathercam:/dev $