Which Browser do you use on your Mobile Phone as Default?
So, I'm still using Chrome as default, because I like the sync between my Desktop/Laptop Chrome and mobile devices, but recently, I thought on mobile I might just switch to something like Brave/DuckDuckGo/Firefox or similar as I really don't need all my bookmarks there.

Comments
firefox because it support ublock origin
Good point. On Chrome, I have just put Adguard DNS/ControlD DNS, but Ublock is also good.
Ympker's VPN LTD Comparison, Uptime.is, Ympker's GitHub.
edge supports it too.
on company iphone safari is restricted to install add-ons but edge works and allowes to install ublock
Firefox in android & on my windows PC, cause, as you said, ublock origin
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Brave because it blocks ads without extra parts.
Firefox on all systems, of course with self-hosted sync server. Do my small bit against a Chromopoly.
Iceraven - https://github.com/fork-maintainers/iceraven-browser
Firefox fork, which supports the desktop extensions out of the box. The description says that not all of them will work, but so far I didn't see any issues.
Some other extras are there as well and the browser is quite fast on older phones.
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I'm using Vivaldi, it's built on the Chromium engine. It offers sync between devices and blocks ads by default.
https://microlxc.net/
Brave can sync too... I use brave
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Chrome
Firefox on my phone (Pixel), Safari on my iPad (with Adguard). I want to use Firefox on the iPad too, and it's ok and I use it sometimes, but the lack of extensions means I only use it when the syncing is the important part.