Pain upper back. Arithritis plz help!

Hi ...iam using mobile daily continously for chatting browsing from morning 10 to night 4 am continuously....iam having upper back pain just back of chest left shoulder pain and hands wrist fingers pain ...are these due to mobile usage?I always use mobile laying on bed ...I used many pain killers but no change in symptoms ....I even used pregabalin tablets too ...no change in that also ....what may be the reason plz help ...also iam having pain in middle of buttocks line when i sit or keep pressure ...does all these pain related to something serious issue?upper back pain since Jan and buttocks middle line pain severe since 1 month.should I get mri done?will mobile usage cause arithritis plz help thank u