Hello dosto aaj ham ne in points par baat ki he. 1. Damaged your smartphone
2. 3 or 4 years old smartphone
3. Version old
4. Ram or Rom low your smartphone
5. Display local or any part local usage in your smartphone
6. Any part not working properly mostly
7. New features
8. Camera upgrade
9. Poor battery life
10. Overheating of phone while not in use
11. Frequent shut down.
