I made a few more tests : changed the SIM card for a different operator => instability as soon as I activate 4G (LTE) changed the phone for another Nexus 5 with a brand new battery (replaced this week) => same result changed the power supply for a bigger one (5A) => same result So in my case, the problem is independant of : the phone, the Slimport hdmi adapter, the power supply, the power cables, the cell phone operator, the monitor. I just have to switch on/off 4G data to see the issue appear/disappear. If I am connected to a wifi network, the problem disappears as data is handled through wifi.

@totalrando Never mind, latest update fixed it, marking as solved

@oden Something is wrong before that. After you cd into Downloads then do Sudo -o and hit enter you shuld just enter the password for phablet and full steam ahead. None of that sudo unable to resolve host ubuntu-phablet stuff, but I have no idea what is happening, sorry. The port version you are using is it the FP3 installer config or the FP3/FP3+ port - Hallium 10. No idea if that has the slightest to do with it but the info may help someone.

I just tried to install the mentioned package cpufrequtils. It works as expected! Some more details. The maximum frequency can be maintained on my device for a long time - no thermal throttling or similar. I used the following command to track the frequency changes: watch -n 5 -d "cpufreq-info | grep curr"

@zubozrout , @keneda, I reinstalled UT, and the OS crashed another time. This time the crash looks like I had run some other apps can write system partition while I using the tweak tool. Then I reinstalled UT, and carefully used the tweak tool. But the OS crash the third time. The reason maybe I didnot use a password for my device while the tweak tool need a password. And I reinstalled again. But yesterday , the OS crashed the fouth time! I justed picked a long touch on a link for open in another windows with a webber made app(That operation is very usual for a web browser), and the OS crashed. It looks unusual operations will result conflicts on system partition. Also there is no approved or restart lomiri actions after editting with the tweak tool, that would make the system partition easily hurt. In this days, the lomiri crahsed many times, most beacuse of the system is over load and the device be in hot. For this situation, I just reboot the device and it is ok. That is my update information.

I am reliably receiving and sending SMS via T-Mobile on Volla Phone. Best regards, Steve Berson

@prog-amateur If I remember Pantalaimon isn't in the store; it is a click package. Let me find the link. https://forums.ubports.com/topic/5727/detailed-procedure-for-fluffychat-encryption-via-pantalaimon?_=1628359843604

@dobey ok, thanks. I will follow up on that...

@applee Thank you very much, it works now perfectly thanks to this.

@lduboeuf, @kugiigi Thank you, this should get me going! flx.

@stanwood - Thank you for the heads-up!

@kugiigi Hey thanks, yes I do use that tool, and I am on Dev not RC so, I feel sure that was the problem on the OPO it works fine now. My pixel 3a is workong at the momnet, but only on 3G. I will monitor for a coulple of days.

I just tried out Anbox and it seems to be quite unstable for me. As using apps like Whatsapp is really needed for me I unfortunately will have to revert to Android so I will mark this question as fixed. However, I am quite impressed with Ubuntu Touch in general, keep up the good work! Once Anbox works reliably I might get back to it. Couple of observations: In order to install UB I had first to revert to the original FP3 OS link as I had installed LineageOS before As specified on the phone page, adb and camera did not work SMS and mobile data worked with custom APN for internet USB connection through USB hub to phone and keyboard works HDMI connection to a monitor did not work for me mirscreencast through ssh works but with big latency Anbox was quite unstable, Whatsapp booted on a black screen and Signal booted but I could not set it up

@bhdouglass as there is no effect without a cause, it is mysterious !!! Thank you for all the work in fixing the problem !!!

@ljrichards1066 MMS group never worked well afaik on UT, not a device issue. Volonteer(s) welcome

@arubislander OK, and I thought I had a suspect for the non-operational hotspot on the Cosmo

@zubozrout Oh I see, that's sad. Mine is now used just for a single app or purpose so it doesn't have much apps on it and I don't get the crashes. In fact, I love that it lasts about a week (without sim and wifi off)

Many thanks for the guidance and the warnings. And noted that the updates may/will over write whatever I have installed. I have 2 Nexus 5 phones. One has hardware issues but works as my Guinea Pig device for trying something new in uncharted waters for me.