Every time I try to open settings or any app it just kicks me out of it and then puts me in safe mode. Please help

I recently install lockscreen tweak and my iphone doesnt respond, keep black screen and he put very hot i need some help please.

Don’t know exactly what happened but the camera doesn’t work anymore

When I access any maps app (apple and google), it’s not able to find my location. When I access any other apps that utilize location services they fail (NFL app, hulu). The weird thing is that I share my location with someone via IMessages and they are able to track me fine.

iPhone XS Max, 12.4, Unc0ver beta 1.

Firstly. i succesfully jailbroke the ios 12.4. Got Cydia but when i tried cydia, "no internet conection" wich i had.
So i rebooted the phone, tried to jailbreak again and same. So deleted the app and everything. Downloaded all again and could not even jailbreak. So i ereased all apps and setting and tried again.

I keep failing to jailbreak. After pressing jaailbreak botton in unc0ver app it crash or it send me this messages

Ive tried all the fixes that everyone has been posting but still cant get my tweaks to show up in my setttings.
They all download fine but cant turn any of them on to use please help!

I am using an iPhone Xs on v12.1.2 and used Chimera since it was the only option at the time. Now I want to switch to Unc0ver. I want to know if it is possible to futurerestore my A12 device from 12.1.2 to 12.4 (I did save blobs and set generator to 0x1...).

My 12.4 A12 Unc0ver Jailbreak is working perfectly at the moment apart from I can't use my Keychain (Passwords and Accounts). Whenever I try and access by any method (Spotlight, Settings, Safari etc) it doesn't want to load. It isn't too much of a problem, I can retrieve anything from Keychain on my Macbook, but the convenience factor for my phone as well is appreciated haha.

Thanks in advance for any help.

I am switching from chimera to unc0ver. After jail breaking with uncover and it says it was successful cydia is no where to be found and when I try to launch cydia from in unc0ver it goes to a black screen for a second then returns to the home screen. Also the mail app is completely not working. Says no sender and no content.

Can i use futurerestore to upgrade my iphone from ios 12.2 to 12.4?