RC76xx HTTP Connection via PySerial

You can try to same command as mine to use profile 1:

AT+KCNXCFG=1,"GPRS","CMHK"
OK
AT+KCNXPROFILE=1
OK
AT+KHTTPCFG=1,"www.google.com",80,0,,,,,0

+KHTTPCFG: 1

OK


+KCNX_IND: 1,4,1



+KCNX_IND: 1,1,0



+KHTTP_IND: 1,1

AT+KHTTPGET=1,"/index.html"
CONNECT
HTTP/1.1 200 OK
date: Thu, 23 Nov 2023 11:18:31 GMT
expires: -1
cache-control: private, max-age=0
content-type: text/html; charset=ISO-8859-1
content-security-policy-report-only: object-src 'none';base-uri 'self';script-src 'nonce-uF_ycRR8sT-Xv0t1Qv5DMg' 'strict-dynamic' 'report-sample' 'unsafe-eval' 'unsafe-inline' https: http:;report-uri https://csp.withgoogle.com/csp/gws/other-hp
p3p: CP="This is not a P3P policy! See g.co/p3phelp for more info."
server: gws
x-xss-protection: 0
x-frame-options: SAMEORIGIN
set-cookie: 1P_JAR=2023-11-23-11; expires=Sat, 23-Dec-2023 11:18:31 GMT; path=/; domain=.google.com; Secure


NO CARRIER



+KCNX_IND: 1,5,30



+KHTTP_ERROR: 1,5

at+khttpclose=1

+CME ERROR: 922

at+khttpdel=1
OK


+KCNX_IND: 1,3



+KCNX_IND: 1,0,0