guys i finally solved my bootloop problem and managed to get havoc 3.5 gapps version working perfectly on my htc u11+ !
i write here what i did as it took me an entire evening to figure it out...
1. flash stock rom
2. install twrp
3. wipe data, system, dalvik cache
3. flash havoc.img from twrp (no reboot)
4. flash magisk.zip from twrp (no reboot)
5. inside twrp go to wipe -> system -> resize file system (2 times as at first i got error)
6. reboot
7. all working smooth
hope to help somebody!
i write here what i did as it took me an entire evening to figure it out...
1. flash stock rom
2. install twrp
3. wipe data, system, dalvik cache
3. flash havoc.img from twrp (no reboot)
4. flash magisk.zip from twrp (no reboot)
5. inside twrp go to wipe -> system -> resize file system (2 times as at first i got error)
6. reboot
7. all working smooth
hope to help somebody!