Unable to use mobile data on Sony Xperia 10 III 4.4.0.64

Mobile data have ceased to work on my X10 III. Or rather, they are working very, very slowly. Browser pages do not load any more, pings fail although the host name can sometimes be resolved.
This started happening after some fiddling with VoLTE, including switching SIM card to one of another provider, activating VoLTE on the second operator, switching back to the first operator (this is when I noticed the slowdown), putting back the second operator SIM (I noticed that the VoLTE activation status of this SIM was recalled), switching VoLTE off on this second SIM and putting back the first one in place.
Is there any way to fully reset the mobile data settings to factory, short of reflashing the device?

I think “Trick #3” on https://jolla.zendesk.com/hc/en-us/articles/115011870727 should reset all settings in the telephony stack.

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Thank you, the settings were reset but the issue persists. Phone has turned into a paperweight, therefore switching back to XA2 waiting for a fix or for the time and willingness to reflash.

Im out of ideas. My latest logs from ofono on sim 2 card slot, that for some were solution…

23:04:54.347 src/alien-radio-service.c: alien_radio_response_proc() slot2_alien setupDataCallResponse ok
23:04:54.347 src/binder_data.c: binder_data_call_new_1_0() [status=4100,retry=-1,cid=0,active=0,type=,ifname=,mtu=0,address=,dns=,gateways=,pcscf=]
23:04:54.347 Unexpected data call status 4100
23:04:54.347 src/gprs.c: pri_activate_callback() Activating context failed with error: Unknown error
23:04:54.347 src/binder_radio.c: binder_radio_power_off() slot2 0xf754b70
23:05:14.028 src/alien-radio-service.c: alien_radio_service_handle_request() slot2_alien [00000379] getModemActivityInfo
23:05:14.028 src/alien-radio-service.c: alien_radio_service_remote_object_submit_tx() slot2_alien android.hardware.radio@1.0::IRadioResponse getModemActivityInfoResponse
23:05:19.324 slot2 > 53 currentSignalStrength_1_2

Same problem here. @flypig, is this and @miau 's linked bug report (11570) worth adding to the community call this week, or will it be taken up by the VoLTE beta team internally?

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Thanks for suggesting it @cyberlyra, and sorry to hear you’re experiencing this.

It’s too close to the meeting for it to go in this fortnight (meeting topics close three days beforehand). For future meetings, it would need to be picked up by the Community Bug Coordination team.

Having said that, there’s nothing stopping @miau’s bug report being picked up at any time (it looks well-written up) and logged internally. I’ll do my best to do this when I get the chance.

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Thanks, @flypig, for boosting the bug report – keep us posted!

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Okay, if anybody facing problem with mobile data. I had to reflash system. But first i checked version of Android in Emma. My version was .70 in the end. 2 updates away from 62.0.A.3.109. I flashed Android with version 62.0.A.3.109, went thru system etc. Then flashed once again Sailfish OS and now works like a charm! (on sim1 slot) @flypig would be nice to precise what version should be in installed before flashing Sailfish - if thats the case.

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To add some extra information about my situation in case it helps. I hadn’t updated android at all before flashing with sailfish, I don’t know what version of android 11 it had but it’s whatever it came with when I bought it new from elgiganten in Sweden.

Nice spot, @akikyo. I have reflashed with .109 but I don’t know which version was on earlier, probably an older one since I never updated it. I still have to re-test though.

No problem anyway, after reflashing SailfishOS mobile data do not work. Only with Vodafone. WindTRE works.

Based on reports of the wifi toggle interference with 4G, I’ve had some success by turning off wifi, going into airplane mode, restarting network connectivity via Sailfish Utilities (installed via Jolla store), then connecting to internet via 4G data again. Restarting the phone also does the trick, if I go straight to connecting via 4G. A plug for NetMon VoLTE checker (installed via Storeman or OpenRepos) which is a big help.

Hm, I re-flashed twice with 62.0.A.3.109 (as indicated here) and I am still having this problem…

The issue appears to be weird.
As I said, reflashing to Android and then to SFOS again did not help.
Reflashing once again to Android, testing 4G connectivity under Android and then reflashing SFOS once again got the system working.
But I cannot get a clear pattern of reproducibility of the issue.

Yes. When i bought phone half year ago, i didnt update nor test it truly - i didnt put sim card. So in my case, the phone had old Android 11 with directly flashed on it Sailfish. Updating to latest Android 11, testing, confirming it works with sim card, flashed once again Sailfish.

To add some extra information about my situation in case it helps. I’m used to stream audio on my commuting way where there is a tunnel with no connection, Xperia X had some issue, but now it reconnects fine. With first use of Xperia 10 III today, I had to restarting network connectivity via Sailfish Utilities (wifi logo state was connection ongoing).

SIM2 is used by sd card and VoLTE not enabled.

Have a nice day.

I added this issue to the list to discuss at next community meeting. It’s in the middle of the night for me; is anyone else able to make it as a substitute to ensure the issue is brought up? @jessica @miau @ender ?

Unfortunately I’ll be travelling so won’t be able to make it either.

Just for completion sake: All my issues are gone since switching to sim2 (haven’t tried enabling volte on it) and at least for me mobile network connectivity on XIII works better than on jollaC which from around 4.x started having hiccups that would require turning mobile data on/off to get going again every now and then

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@Cyberlyra

Sorry, i can’t make it either to the community meeting.

Switching to SIM2 made no difference for me and this is also not an option for everyone who wants to use an SD-card.

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