After my Samsung Galaxy S7 phone started having hardware issues, I looked to see if a phone running open source software was available, one that also could run the Android apps I currently use. I've had sucess with LineageOS 15.1 on a Xiaomi Redmi Note 5 Pro (codename "whyred"). Unfortunately the phone's LTE bands don't support every country, but it works fine here in India. The phone hardware costs USD 210 and buys…
LineageOS was working great for me on my Oneplus 3T for about 6 months, but something has gone wrong with recent updates. It has started slowing down to the point of being unusable and I have to reset my phone several times a day. There have been about 6 updates since I started seeing the issue and it hasn't been addressed. I loathe going back to Oneplus's stock ROM as they modified it to kill background processes to…
https://wiki.lineageos.org/logcat.html
https://jira.lineageos.org/secure/Dashboard.jspa
They do look at them. But I would suggest taking a quick glance at those logs and see if you notice anything familiar. It may be something you recognize.