Well, you’re right about the question. I just thought if it’s an older Anbdroid I’m no longer on the safe side. But I’ll have a look at mircro.org, so far it’s a white map.
I love this helpful community, big thanks to all of you!
It seems that my XZ1C takes to long time to log into the cellular network after restart or airplane mode. Is there something I could do about that, or how to find out if there is an issue with the device?
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My XZ1C, too, has always been problematic in this respect, since I started using custom ROMs (/e/OS, and now iodéOS). Usually it eventually connects without intervention, but sometimes it’s just stubborn. At that point I have to switch to 2G/3G and try to force it to connect to some signal, wait for the “E” to display, then switch to 4G. (This is on T-mobile USA, which still has some 2G network remaining.)
I use the *#*#INFO#*#* menu to force-refresh/update, but it still doesn’t respond every time. I’ve even had to switch to a different SIM card, then switch back to the original SIM to reacquire the network.
I’m usually doing this inside my house, which is where I power up the phone, so maybe the signal is weaker there, although outdoors is sometimes problematic, too.
My XZ1 (poplar), on the other hand, performs better, but isn’t VoLTE-capable. (This is currently my main phone, since I now use JMP Chat to handle calls and messaging over the internet, plus a data-only SIM to provide the roaming network connection. That’s instead of a mobile carrier’s SIM.)
Did you look at the settings in the Xperia Parts menu?
For me, it takes about 30s to connect to mobile network/mobile data after booting / airplane mode. I learnt to live with this, it is still tolerable. When there is connection, there are no issues. Switching from 4G to 2G if necessary and vice versa.
I changed the modem in the Xperia parts settings for the better (if I remember this right), never activated the “Network Switcher” as the info does not match the behavior of my phone.
Also I turned the IMS features “on” though I don not use VoLTE as my carrier doesnt support it. And I don know what IMS is… Do I need it to call via Internet (with Signal app f.e.)?
Maybe deactivating it would be better?