I got lag spikes every 2-10 seconds on 1.20+ (never tested 1.19 or before). When I'm running, opening the menus, opening chests or anything the screen/game just freezes and I can't do anything in game while it's frozen. It isn't related to the phone lag, because as you can see on the video, both timers work fine.
Video:
https://1drv.ms/v/c/d9e11ecbd4e142bf/EYy0P4Q3MpVAm3KvNAR4hskBS0S1JcaekkwEGVHRzr5bTw
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Can be replicated on PS5 and PC as well. In my case [PS5] it happens when just doing anything. Whether I am walking, running, farming, inventory, any action in game. It's like clockwork. Nothing in particular provokes it, it's as if scheduled.
In the case of BF [PC] it's completely unplayable. Freezes constantly whereas on PS5 it's for like a second or 2. Issue appeared as of updates in the past 2 months, game was working fine before.
Maybe try installing lag reducing resource packs, they work for many players.