Sid See this. Only 39% left. Battery was perfect in 2.5.6. I don’t know but they tweaked something and hence this outcome. Idle drain is too much.
PS - I am not a heavy user.
Edit: And below is their reply on mail.
Thank you for contacting Nothing Tech India Support.
We are sorry for the inconvenience you are facing from Nothing Phone (2).
We request you to visit our nearby service center. You can go through the link for the list of service centers https://in.nothing.tech/pages/service-center
Please carry all the mobile accessories, invoice copy and the original mobile box when you visit the service center.
For further assistance please feel free to connect with us, we will glad to help you.