What should I do? Can I change my mindset?

I don't even try, even after 100s of times. May be you will give your time, read this whole stuff, and answer me, and I just read your response. Imay do better for 2–3 days, then again on the same pathetic track, or i may not even take action because you didn't give me a magic spell to change myself (this is how I feel thinking if I go around asking people they will give me a magic spell; I know this is a weak mindset and I don't want it). If, while reading this, you think I can't be changed, don't waste more time on me. Because it's 1200 words long.

Hello, I am a 17-year-old student currently in my final school year, 12th grade (high school senior), from India. I am a phone addict and procrastinator, and I don't know how I became this. I used to use my phone a lot and used to procrastinate, but not this much. It all started when I entered 11th grade (high school junior). It's not my first time writing something like this on CareerVillage (it's my second time; I wrote once, 10–11 months ago). First, I should tell how my situation changed in 11th grade (I don't know if it would be important, but still, I should tell). So I used to be an above-average student until 10th grade, got good marks in the final exam, and was appreciated by my father and relatives. I guess then the ego took over, but I never felt like, or it was not ego and I took things lightly until I realized I had become a procrastinator. May be because of ego or taking things lightly, I decided to study online (till 10th, I had offline tutions) and left friends (I haven't seen the faces of friends for more than a year; it's not like they live far away; they are just a few steps away. I don't go out much other than school and also don't talk much in school, always sitting on the bench). But the thing is, the jump in difficulty from 10th to 11th is very high. 11th and 12th is a whole new level different from all past classes. (Class 10's whole chemistry can be seen as one chapter of 11's chemistry.) And it's not like students don't cope up; I am not saying that. Students who study do understand how important it is; those who give their all for the first 4-5 months of 11th grade do cope up, but I didn't. I wasted the whole 11th, or, if I say, 1 year (because I didn't do anything, like spending time with friends or learning something new), of my life and am still wasting it in a few months this 1 year will convert to 2 years. It's not that I don't know how important these things are in this phase of my life (or maybe I just know but don't understand). Before 11th grade, I used to take studying much more seriously than now. I used to have a fear of exams and tests, but I don't know why I don't feel the same now. Instead of becoming strong, I have become weaker, disrespectful, and selfish. I don't know how I lost interest in studying; one reason I think is that it may be harder now and I am lazier and a procrastinator. You may ask what thing I love to do, my interest, or the future I want to pursue, and I will tell you one by one. My interest in coding has been there since 8th grade(but took some steps towards it only 1 year ago) because I think with programming you can create anything you want, and yeah, I like to code more than study, but the thing is, I procrastinate to code, I delay hard problems, and I feel demotivated when I face hard problems or someone else's solution is better than mine. (one thing i would i like to add here is i care too much about what other person is thinking about me may be because of that i didn't wrote somethings here to, the reason i dont go out of house is because i think other peoples thinking, i decided to go on run daily because i don't really do much work always lying on bed, but i didn't go because i thought what other peoples will think me running around (i know peoples tend think they are center of attention as i think but thats not the case peoples are busy in their own life they don't care what others do but and still knowing this thing i still feel peoples will think about me), even when my class teacher asks my something and when i stand up and answer in the front of whole class, my blood pressures increase and i start to stammer while speaking and my legs start to shake, ok lets get back to where i was). I know others say to do what you love, and when I think about this, I think that when people find what they love, they give it their all; they don't procrastinate, they don't get demotivated, and they don't care about others, thinking all they do is always what they love. Thinking about this makes me think that do I really love programming when I can't even give it my all? I don't think I love drawing because I never started even learning it. I saw this line in one book: "The question shouldn't be what you want; it should be what you are willing to do, face and sacrifice," and in the book, the author also told about him. He said he wanted to be in a band but never even started learning. You know why? He said, "Maybe I never wanted to play music, but I only wanted to be on stage or get attention (I don't remember line by line). Similarly, I may be i just want the drawn picture or the coded program. But i am not willing to leave programming may be because of the fear of future, because may be this will be my only future option(i never started to learn coding because of the money and still i don't want it for money(Computer science jobs pay high)). I don't want to make it any longer. I have not even tried, so whenever I see some hope, my mind tells me you never changed, having the same answers, watching the self-help videos, or even elders telling you, For the last  year how will you change now? I am not a clear person, and I guess all of this is because of my phone; I don't even have the willpower to avoid it. You may tell me to keep my phone in another room, but I can't because I am not rich enough to have multiple rooms. Not recharging my phone has been tried so many times, but still, I wasted time on something else useless. I may ask for help from my parents, but it didn't help. And yes, counseling, a specialist, some professional, or any person is not an option for me. I barely talk to others, and I don't want to talk about all this to anyone face to face. Yeah i have so many excuses but this is My real self(may be i didnt reveal my whole self is this all). I have kept my parents in the dark, saying I am studying, but I am just lying and being selfish. I don't have the question to ask for help. Thanks for reading this far. If you think I can't be helped, don't waste your time writing the response. I just wrote all this because I felt like it. Thanks.