What are the unconventional and fundamental solutions for definitively getting rid of masturbation and watching pornographic images, while maintaining prayer and being unable to fast?

The solution lies in sincerely and devotedly striving against the self for the sake of Allah, for whoever strives in Allah's cause, Allah guides them to His paths.

Fasting is a beneficial Prophetic remedy for healing from this habit, so do not succumb to delusions of inability to perform it.

Seeking beneficial knowledge, focusing on the Hereafter, pondering the Quran, and contemplating Allah's names and attributes help achieve sincere repentance.

Occupy your free time with what is beneficial for the interests of both religion and worldly life.

Associate with righteous people who remind you if you forget and alert you if you become heedless.

Adhere to the mosques and attach your heart to them, as all of this helps in getting rid of this blameworthy habit.

And before all of that and after it, supplicate and seek assistance from Allah Almighty.