@Taff11
It's because the modem in your phone is constantly trying to find a signal to connect to.
A stable signal uses less battery as it doesn't have to keep searching.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
