Rc7620 not registering on network

hi
rc7620 module refuses to register on telstra and optus australian network.
the response it get from it follows, what does limited-regional means?

ubuntu@ubuntu:~$ sudo qmicli -p -d /dev/cdc-wdm0 --nas-get-system-info
[/dev/cdc-wdm0] Successfully got system info:
GSM service:
Status: ‘none’
True Status: ‘none’
Preferred data path: ‘no’
WCDMA service:
Status: ‘none’
True Status: ‘none’
Preferred data path: ‘no’
LTE service:
Status: ‘limited’
True Status: ‘limited-regional’
Preferred data path: ‘no’
Domain: ‘unknown’
Service capability: ‘ps’
Forbidden: ‘no’
Cell ID: ‘133235458’
MCC: ‘505’
MNC: ‘01’
Tracking Area Code: ‘8237’
eMBMS coverage info support: ‘no’
eMBMS coverage info trace ID: ‘65535’
Cell access: ‘all-calls’
Registration restriction: ‘unrestricted’
Registration domain: ‘not-applicable’
SIM reject info: ‘available’

What is the response of at!gstatus?
Have you entered correct APN in at+cgdcont?

Other user can make it work under australian network:

BTW, have you tried the latest FW?
https://source.sierrawireless.com/resources/airprime/software/rc76xx/rc76xx-firmware-release-9,-d-,6,-d-,1/#sthash.TSMrq0GU.dpbs

at!gstatus?
!GSTATUS:
Current Time: 1051 Temperature: 49
Modem Mitigate Level: 0 ModemProc Mitigate Level: 0
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Not attached
IMS reg state: NOT REGISTERED IMS mode: Normal
IMS Srv State: NO SMS,NO VoIP
LTE band: B1 LTE bw: 15 MHz
LTE Rx chan: 75 LTE Tx chan: —
LTE CA state: INACTIVE
EMM state: Deregistered Attach Needed
RRC state: RRC Idle

PCC RxM RSSI: -92 RSRP (dBm): -140
PCC RxD RSSI: -66 RSRP (dBm): -106
Tx Power: – TAC: 4F3A (20282)
RSRQ (dB): -20 Cell ID: 005F6C23 (6253603)
SINR (dB): -6.8

OK

at+cgdcont?
+CGDCONT: 1,“IPV4V6”,“telstra.internet”,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”,0,0,00

OK

have you tried the latest FW for Telstra?
https://source.sierrawireless.com/resources/airprime/software/rc76xx/rc76xx-firmware-release-9,-d-,6,-d-,1/#sthash.TSMrq0GU.dpbs

Is your SIM card OK to register network?

hi
the sim is tested and working in phone/router

i tried burning the generic version like this, and failed

./fwdwl-litearm64linaro -m 4 -d /dev/ttyUSB0 -p /dev/cdc-wdm0 -t 1 -f . -s RC76xx_Release9.6.1_GENERIC_7620.spk
Application version: 1.0.2303.0wl-litearm64linaro -m 4 -d /dev/ttyUSB0 -p /dev/cdc-wdm0 -t 1 -f . -s RC76xx_Release9.6.1_GENERIC_7620.spk
INFO: QDL Port: /dev/ttyUSB0
INFO: Device Path: /dev/cdc-wdm0
INFO: FW Path: .
Target image Info:
Carrier :GENERIC
FW Version :00.08.44.07
Model ID :SWI9X07H
Package ID :000
PRI Version:001.145
SKU :9999999
Switching device into download mode …
Modem Needs FW
Modem Needs PRI
Waiting for modem to disconnect from the host …
Modem disconnected from host.
Waiting for modem to come up in BOOT and HOLD mode …
BOOT and HOLD Mode. Downloading firmware …
Downloading: ./RC76xx_Release9.6.1_GENERIC_7620.spk
FW download failed: eSDP_FWDWL_ERR_FIREHOSE_STATE_ERR(120)

other use does not find problem, you can try their FW first:

so i succeeded to burn new version for telstra, here is result, but modem still doesnt register

ati
Manufacturer: Sierra Wireless, Incorporated
Model: RC7620
Revision: SWI9X07H_00.08.44.07 2539f0 jenkins 2023/04/26 10:17:51
IMEI: 353634110400016
IMEI SV: 28
FSN: 7Q2132316808B1
+GCAP: +CGSM

Did you check the at!band?
Did you check at!impref?
You might need to capture qxdm log to understand the root cause

at!impref?
!IMPREF:
preferred fw version: 00.08.44.07
preferred carrier name: TELSTRA
preferred config name: TELSTRA_001.024_000
preferred subpri index: 000
current fw version: 00.08.44.07
current carrier name: TELSTRA
current config name: TELSTRA_001.024_000
current subpri index: 000

OK
at!band
ERROR
at!band?
Index, Name
00, All bands

OK

how do i capture this log?

You can see the tool here

https://source.sierrawireless.com/resources/airprime/software/mbpl/mbpl-software-latest/

Btw, not sure if this is low signal strength problem

PCC RxM RSSI: -92 RSRP (dBm): -140
PCC RxD RSSI: -66 RSRP (dBm): -106

Here are some examples on successfully registering network