I'm curious about the problems did you encounter when on Samsung devices? Personally, I've thoroughly enjoyed the two Samsung phones I've owned so far: S7 Edge and S10+.
Briefly considered the OnePlus 7 Pro before purchasing my S10+, but the below par camera, lack of a headphone jack and other compromises was a deal breaker for me. They seemed to have improved the Camera performance since launch though.
The main problems I've had with Samsung devices have been due to the fact that Samsung so heavily customizes Android, it's virtually impossible for them to deliver Android updates on any kind of reasonable schedule.
At least now, Samsung delivers updates. At one point, not so long ago, any non-flagship Samsung device was stuck on the version of Android that it shipped with, unless you were willing to root it and install your own ROM.
Then, there's the fact that Samsung insists on shipping its own e-mail, messaging and contact management applications, which are very difficult to back up. There's nothing quite like having to tell someone who bought a new phone that they have to type out all of their contacts by hand, because they used Samsung's contacts app instead of Google's.
There are ways around any "difficulties" in backing up Galaxy phone data. I use essentialpim.com's EPIM windows application to manage my contacts, appointments, notes, etc on my Win10 PC. The free accompanying phone app syncs wirelessly with my PC, and the sync can be one-way either direction or both ways, user selectable. I've never hand typed any of that data into my phones, unless I did it voluntarily.
I'm pretty sure you can sync your contacts to a Samsung account pretty much the same way as you do with Google? I don't use it, but I see the option there on my S10+.
I had the original Galaxy, the GPS didn't work. At all. It was a minor scandal at the time.
I also owned a Galaxy S3, S5, S7 Edge and the S8 Edge.
I have had phones freeze when trying to answer a call. After an Android version upgrade, the phones usually got much slower, much worse performance. You know I don't really remember all the issues, but I remember that each time I upgraded to the next version I was hoping some horrible thing I was dealing with would be fixed in the next version only for the next version to have it's own horrible problem. I eventually gave up and switched to LG. I owned an LGv30 and LGv40 and now I'm using the OnePlus 7 Pro.
> I have had phones freeze when trying to answer a call. After an Android version upgrade, the phones usually got much slower, much worse performance.
Interesting. Because of those exact issues I abandoned LG and my wife abandoned Huawei, and we both run on Samsung flagships, on which we never had that happen.
I wonder if anyone ever published a root-cause analysis of problems like "otherwise seemingly stable Android freezes when trying to answer a call". It's a ridiculous thing to happen to a smartphone, and yet it keeps happening. I don't want to criticize too much as it's not as if I could write a better OS myself, but God I miss the old feature-phone experience, with soft-realtime OSes that had more-less stable delays on everything, so you could quickly learn to operate it without looking, as you knew how long doing any given thing would take.
It's ok to criticize them heavily: they're multi-billion dollar companies, you're the client and "As a user I want to use my phone to receive calls" is one of the most essential use cases.
Briefly considered the OnePlus 7 Pro before purchasing my S10+, but the below par camera, lack of a headphone jack and other compromises was a deal breaker for me. They seemed to have improved the Camera performance since launch though.