I have the Mi 11 Ultra with a flashed stable ROM (13.0.5 stable xiaomi.eu).For those who are wondering, on Mi 11 Ultra, a factory reset via settings (even if you flashed the ROM with first_install_format) definitely helps getting better battery life. I was experiencing a severe battery drain after switching from weekly to stable with a clean install but now I'm getting very good stats:
I have used my phone quote a lot today, 2h calls and 5h 44m screen on time with about 7h of lossless music playing in background via Bluetooth from Apple Music and I have now 9%. Pretty good, at least comparable with MIUI 12.5.
Fastboot and TWRP are not the same. POCO X3 Pro has not yet received an update. Under no circumstances should you install a ROM from a different model.Can I install it in POCO X3 Pro (Vayu)? I read the list, but someone told that is only for Mi 11, also, sorry but I don't understand that "fastboot" and TWPR are the same? I already have 12.5 .EU version, but I really don't understand this one. Maybe I'll wait for OTA update.