Apps won't work or install

[Roselyne]

I can't install apps like network cell info lite, games, maps update on my Redmi 7A. Keeps saying turn off deve

 

[LOLO9393]

I can't install apps like network cell info lite, games, maps update on my Redmi 7A. Keeps saying turn off deve

Do it as required and check if it is better after. But after installation keep MIUI optimisation ON.
I see you are official ROM. This site is all about custom EU rom.

 

[Roselyne]

Do it as required and check if it is better after. But after installation keep MIUI optimisation ON.
I see you are official ROM. This site is all about custom EU rom.

I can't find the developer options anywhere in the settings

 

[LOLO9393]

I can't find the developer options anywhere in the settings

normal they are hidden.
try this:https://www.syncios.com/android/how-to-debug-xiaomi-mi-max-mix.html
It is for USB debug but you'll find MIUI optimization scrolling down to the bottom.