Custom Rom Remove

I got this old Samsung Galaxy Pocket with a custom rom installed (Hydroperia.v1). The thing is I can't seem to format/factory reset it. I also tried to flash the stock rom and it doesn't work as well. Deleted files automatically restore after reboot also when I try to format the usb storage.

Is there anyway to get over this?

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Power save mode orange color remove

I dislike how status bar sudenly turns orange when i turn on power save mode.
I also protest to instal xposed framework because it makes me feel dirty.
Is it posibly to manualy edit cm12 theme file to remove orange color to normal black one?
Is it necesary to recompile cm12?
If its necesary to recompile do i need to recommpile whole thing or just system ui?

Thank you for your answers :D

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How to remove encryption from galaxy s4?

I encrypted my phone because I was curious. It hanged at the cyanogenmod 13 boot logo for hours. I I cleared the cache and it booted normally, but now its asking for a password/pin for encrypted device memory, when it didn't ask for a password in the first place.

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Remove Unlocked Bootloader Warning (Marshmallow)

After the bootloader unlock you'll see a warning message instead of the Motorola logo. This could be annoying for someone, then flash this in Bootloader to remove it!
Credits : Alberto97

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