RV50 and MP70 not working on a specific SIM Card

Hello,
We try to connect MP70 (Aleos 4.8.0.021) and RV50 (Aleos 4.5.2) with a specific SIM card from Ooredoo Operator (with public IP address) we have an error “Network link down” knowing that a “normal” SIM from the same operator works perfectly. We also tried this SIM card on other routers, it works perfectly (Huawei, blueone …)
We tried to force the frequencies to WCDMA all, Europe 3G and Europe 2G and it did not work.
We get some logs in order to try to understand what went wrong:

Jan  1 00:00:22 notice ALEOS_WAN_RadioTask: Radio is a MC7304 - GENEU-4G
Jan  1 00:00:22 notice ALEOS_WAN_RadioTask: Radio technology type is [2] - [LTE]
Jan  1 00:00:22 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_INIT
Jan  1 00:00:22 notice ALEOS_WAN_RadioTask: Modem is ready
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: cbkTestSetPowerCB - Radio Module Operating Mode: [RADIO_ONLINE]
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: ****************************************
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: PIN1 Status : 3
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: PIN1 Verify Retries Left : 3
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: PIN1 Unblock Retries Left : 10
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: ****************************************
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: IMSI : 605030906852195
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: ICCID : 8921603546162099164
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_READ_SMS
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Operator  : Ooredoo TN
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_WAITING_ACTIVATION
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_ACTIVATED
Jan  1 00:00:25 err ALEOS_WAN_RadioTask: Failed to retrieve phone number. Return Code: 1016
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Unable to retrieve phone number, proceeding to next state
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: APN selection: internet.<.tn (User Entered)
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Using Primary APN: internet.ooredoo.tn
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Set APNName and credentials in Profile: APN 'internet.ooredoo.tn' with auth 0 (None), username ''
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_NOTREADY_WAIT
Jan  1 00:00:37 err ALEOS_WAN: Error stopping radvd (IPv6 SLAAC)
Jan  1 00:00:37 err ALEOS_WAN: Error removing br0 IPv6 address ''
Jan  1 00:00:37 err ALEOS_WAN: Error clearing IPv6 default route
Jan  1 00:01:18 crit ALEOS_WAN: Radio Detach Detected [2]
Jan  1 00:01:32 alert ALEOS_WAN_RadioTask: Current APN is: internet.ooredoo.tn
Jan  1 00:01:32 alert ALEOS_WAN_RadioTask: RegState: Registered. PS AttachState: Detached. NumRadioInterfaces: 1. SelNetwork: 3GPP. HDR Personality Unknown.
Jan  1 00:01:48 notice ALEOS_WAN_RadioTask: cbkTestSetRFInfoCB - service type was None is now UMTS
Jan  1 00:01:48 notice ALEOS_WAN_RadioTask: cbkTestSetRFInfoCB - Radio Interface: [5] - [UMTS] Active Band Class: [87] Active Channel: [10613]
Jan  1 00:01:49 notice ALEOS_WAN_RadioTask: cbkTestSetPowerCB - Radio Module Operating Mode: [RADIO_LOW_POWER]
Jan  1 00:01:49 alert ALEOS_WAN_RadioTask: cbkDeviceTemperatureChange - Modem Temperature State [UNKNOWN] - Modem Temperature [0]
Jan  1 00:00:06 notice ALEOS_WAN: Radio Enumeration Failed...No Serial Ports Available
Jan  1 00:00:08 alert ALEOS_WAN: Radio Enumerated Successfully After Retrying 3 time(s)
Jan  1 00:00:09 notice ALEOS_WAN_MultiSIM: Starting MultiSIM Manager
Jan  1 00:00:09 notice ALEOS_WAN_MultiSIM:  ---- Active SIM slot is 1
Jan  1 00:00:09 alert ALEOS_WAN_MultiSIM:  #### Active SIM is slot 1. Reload configuration
Jan  1 00:00:12 notice ALEOS_WAN_RMAN: PDPRadioManager::getInstance()
Jan  1 00:00:12 notice ALEOS_WAN_RMAN: P8Starting::run:	Wait sim ready to launch rc.cell radio
Jan  1 00:00:12 err ALEOS_WAN_RMAN: SetTimeout : New timeout = 2
Jan  1 00:00:12 notice ALEOS_WAN_RMAN: P15PDPRadioManager::processMSCIID:	Sim Active received at 0
Jan  1 00:00:12 notice ALEOS_WAN_RMAN: P15PDPRadioManager::processMSCIID:	launching rc.cellradio start&
Jan  1 00:00:12 alert ALEOS_WAN: IPV4 Disconnect Handled
Jan  1 00:00:13 alert ALEOS_WAN: Radio Enumerated Successfully
Jan  1 00:00:14 notice ALEOS_WAN_linkmon: Current RSSI=-125.
Jan  1 00:00:16 notice ALEOS_WAN: SIM ready after 1 loop(s) - continuing
Jan  1 00:00:19 crit ALEOS_WAN: Radio Detach Detected [1]
Jan  1 00:00:21 notice ALEOS_WAN: Current band setting: 00, All Bands
Jan  1 00:00:22 notice ALEOS_WAN_RadioTask: Radio is a MC7304 - GENEU-4G
Jan  1 00:00:22 notice ALEOS_WAN_RadioTask: Radio technology type is [2] - [LTE]
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_INIT
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: Modem is ready
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: cbkTestSetPowerCB - Radio Module Operating Mode: [RADIO_ONLINE]
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: ****************************************
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: PIN1 Status : 2
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: PIN1 Verify Retries Left : 3
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: PIN1 Unblock Retries Left : 10
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: ****************************************
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: IMSI : 605030906852195
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: ICCID : 8921603546162099164
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: SIM LOCKED OR BLOCKED
Jan  1 00:00:23 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_READ_SMS
Jan  1 00:00:24 notice ALEOS_WAN_RadioTask: cbkTestSetSignalStrengthCB - radio interface was NO_SERVICE is now UMTS
Jan  1 00:00:24 notice ALEOS_WAN_RadioTask: cbkTestSetSignalStrengthCB - service type was None is now UMTS
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Operator  : Ooredoo TN
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_WAITING_ACTIVATION
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_ACTIVATED
Jan  1 00:00:25 err ALEOS_WAN_RadioTask: Failed to retrieve phone number. Return Code: 1016
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Unable to retrieve phone number, proceeding to next state
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: APN selection: internet.ooredoo.tn (User Entered)
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Using Primary APN: internet.ooredoo.tn
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Set APNName and credentials in Profile: APN 'internet.ooredoo.tn' with auth 0 (None), username ''
Jan  1 00:00:25 notice ALEOS_WAN_RadioTask: Radio_state --> RADIO_STATE_NOTREADY_WAIT
Jan  1 00:00:38 err ALEOS_WAN: Error stopping radvd (IPv6 SLAAC)
Jan  1 00:00:38 err ALEOS_WAN: Error removing br0 IPv6 address ''
Jan  1 00:00:38 err ALEOS_WAN: Error clearing IPv6 default route
Jan  1 00:01:19 crit ALEOS_WAN: Radio Detach Detected [2]
Jan  1 00:01:33 alert ALEOS_WAN_RadioTask: Current APN is: internet.ooredoo.tn
Jan  1 00:01:33 alert ALEOS_WAN_RadioTask: RegState: Registered. PS AttachState: Detached. NumRadioInterfaces: 1. SelNetwork: 3GPP. HDR Personality Unknown.
Jan  1 00:02:19 crit ALEOS_WAN: Radio Detach Detected [3]

And here is what we get in Aleos UI:
imgur.com/a/58rZS

Thanks a lot

Hi,
You need to attache an antenna that will connect to cell network signal. As per log line: Radio Detach Detected.
If you have an antenna already attached, it could be faulty, try another one.

Thanks,
J.