1⃣. Go to https://my.telegram.org/auth?to=deactivate. 2⃣. Type your phone number 3⃣. Next ▶️ 4⃣. Type the confirmation code 5⃣. Sign In ✔️ 6⃣. Tap Deactivate account 7⃣. Tap Done✔️ 8⃣. Tap Yes, delete my account .😭 Then finished 😊