iOS 10.1.1: Bug shortens battery life

A few weeks ago the iOS update 10.1.1 for iPhones, iPads and Co. was released and now there should be the first iOS 10.1.1 bug. The update will reduce the battery life enormously.
Many users are reporting bugs in the new version of iOS 10. The biggest bug causes the battery to drop from 30 percent to 1 percent immediately and then shuts down the device completely. However, when the affected device is reconnected to the charging cable and is charged, the display jumps to 30 percent right at the beginning.
Alleged battery bug since iOS 10.1
Some users have been complaining since iOS 10.1, stating that the batteryproThe problem was triggered after the update to iOS 10.1. The current iOS 10.2 beta is also said to be unable to solve the problem and this is what leaves users speechless. After all, 29 to 30 percent of battery is wasted for nothing. It is still unclear whether Apple is aware of the problem and when it will finally be fixed.