Bug: data mobile interface looses ip

[pparent]

@lduboeuf said:

did you reported the issue to the porter ?.

I plan to do so when I have time.

[jojumaxx]

I just read through this post and want to add that lately, I have that exact issue on my Volla X (24.04-1.2 stable).
I'll test the script and report back.

In my case this goes hand in hand with not being able to receive calls. I can initiate calls, but it takes around a minute until a call is established (until the ring sound).

[domubpkm]

@pparent Hello. Thanks for the script. Did you notice side effects (you said that, i have a Volla 22 too) ?
May you please suggest a complete procedure to test (as done here https://forums.ubports.com/topic/6211/howto-alternate-way-of-saving-battery-when-using-4g-lte ) ?
Thanks in advance.

[pparent]

@domubpkm said:

Did you notice side effects (you said that, i have a Volla 22 too) ?

The only thing that I've noted so far, is that If I enable airplane mode with a wrong timing (bad luck), it might go into a loop of disabling / re-eabling the modem. But then I switch off and on, the airplane mode it goes fine.

[pparent]

@domubpkm said:

May you please suggest a complete procedure to test

1°) With adb create the script with

nano /home/phablet/backup-ip.sh

and paste the content

2°) Give execution rights:

chmod +x /home/phablet/backup-ip.sh

3°) Start the script with:

sudo su -c "/home/phablet/backup-ip.sh > /home/phablet/log-backupip 2>&1 &"

It will then be running until next reboot.

[pparent]

I've reported the bug here:

https://gitlab.com/ubports/porting/reference-device-ports/android11/volla-phone-22/volla-mimameid/-/work_items/26

[domubpkm]

@pparent added some comments.

[domubpkm]

@pparent i test the script in train..

[domubpkm]

@pparent Given that the conditions are particularly detestable on the train, I can say that the script passed the test with success: I always managed to recover the network at various times without any action on my part even if it was not immediate given the moving train and the constant change, I suppose, of relay towers.

[pparent]

@domubpkm

Great!

In any case in a train you cannot expect a perfectly stable connection!

[domubpkm]

@pparent Yes the script works well. However, maybe a side effect that I noticed (not in the train) : VoLTE and cellular data use different APNS from what I understood. So, without the script, I have Volte enabled even though cellular data is off. When the script is enabled, VoLTE only works if cellular data is enabled.