Have anyone managed to use an external modem on a unit with Android 5.0? I've used PPP Widget on my Nexus 7 2013 and a kernel with drivers included with android 4.4, but something seems to have changed on the new android version making PPP widget not working properly.
PPP Widget 2 + TP-Link MA180 (3.75G HSUPA USB Adapter - £18 on Amazon!) is working perfectly on my Transformer Prime (Android 4.4.4 courtesy of CromBi ROM 11.0-20140930).
I couldn't get PPP Widget (1) to work - SIM would attach to the network fine, but wouldn't dial out.
[Update: The subsystem works perfectly, but on subsequent connections, the widget doesn't update (connection gets set-up and works, but widget still shows "Disconnected") - not ideal, but the functionailty is the main thing!]
Please how can I get it work on all my device app it work on only facebook Gmail. And it doesn't even Post on facebook only accept comments. Playstore it open but can't download, it doesn't even open telegram. Etc
It allows to add custom/modified config files; just put them into /sdcard/pppwidget/cfg and they take precedence of the internal config files.
You can use the config files from the latest usb_modeswitch data package and try your modifications. There is only one little thing which has to be done for the files you use: edit the file name and replace all colons ":" with dots ".". So 19d2:2000 becomes 19d2.2000.
I wonder if you could test version 0.99 (see top post). It includes the last version of the "bc" helper tool that you have tested, plus a fix for the BOOTCLASSPATH problem which may have caused crashes as well.
All in all, the main issue this time was to improve stability on Jelly Bean and custom ROMs.