I can't delete APN settings

I'm having the weirdest issue where I can't delete extra APN settings. Normally I wouldn't care and just leave them but apparently there's an issue where extra settings will screw up the LTE cell connection on some ROMs. Every time I try it just bounces me back to the screen with the rest of them and the entry is still there.

If anyone has any ideas I'm all ears.

Delete music bar

Hello,

I have latest miui rom. I want to delete the music bar. It shows the last played song with play, fw and rw buttons.

Is it possible?

Regards.

Accidentally delete everything using TWRP in "wipe"

Hey,
first of all i KNOW there is a subject with nearly the exact same topic, and i followed the directions but somethng doesn't work.

I still have TWRP on the phone, and when im in bootloader mode and run "fastboot devices" i see the result.
but i can't seem to ADB push or anything else (maybe im missing some commands?)

so i used the NRT root kit and i use the "fastboot flash" function and install the .img file - the software says my device is identified and it installs the system.img file (found on the "image-hammerhead-mra58k" zip), but then the device boots to TWRP and still can't boot to the system itself.

help please!

Can I delete system apps if rooted?

I want to delete all the unwanted system apps if I don't need them, including: Connect, Gallery, Migrate, Play Movies & TV, Play Music, etc... Can I do that if I am rooted, or do I have to flash a custom ROM and a minimal GApps? I want the stock ROM, but prefer a minmal GApps like the Open Gapps (pico).

Thanks!