Junsun V1 Pro - Sim card 4G issue

[TorstenH]

Well then i think this is not the reason for the issue.

Don't think so, too. Especially because @the_moom has same issue.

 

[TorstenH]

I managed to get back 4G without(!) a reboot.

To execute the required commands I created a small app attached here.

Click on the sim card icon to execute the commands...

@the_moom Hope you have time to test, too.

 

[Souf0]

I've same radio, and I can call but I can't connect to internet.
Same SIM in my smartphone works with internet, and the apn configuration is the same...
I can call but not data connection...

 

[TorstenH]

I managed to get back 4G without(!) a reboot.

To execute the required commands I created a small app attached here.

Click on the sim card icon to execute the commands...

@the_moom Hope you have time to test, too.

Tried the tool on my head unit. It works! But not the automatic start after sleep mode due to Android restrictions.

Maybe I will integrate this in AppSwitcher...?

 

[TorstenH]

I've same radio, and I can call but I can't connect to internet.
Same SIM in my smartphone works with internet, and the apn configuration is the same...
I can call but not data connection...

You created a new apn entry or changed the existing one?

 

[Souf0]

You created a new apn entry or changed the existing one?

I tried everything, a new apn, modify the existing, ...

 

[TorstenH]

I managed to get back 4G without(!) a reboot.

To execute the required commands I created a small app attached here.

Click on the sim card icon to execute the commands...

@the_moom Hope you have time to test, too.

Created new thread for the application:

Junsun V1 Pro - Recover 4G connection after sleep with LTErecover app

LTErecover After head unit sleep in most cases LTE/4G connection gets not re-established and only a 2G connection is available. In other cases the head unit shows "No Sim" in status bar. * My attached app LTErecover should fix this problem and...

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