# iOS

## Breaking changes

* There is only one way to activate the device using `DeviceService` API. Please check [migration guide](https://sdk.ims.tech/releases/1.16.0/broken-reference) to know how the API can be used.

## Fixes

* Improved log schedule uploader when app is killed and launched.

## Refactoring

* Significant battery improvement.
* An extra layer of check for `DeviceOnly` Trip Validation to avoid phantom trips.
* Added more components for `UserService` API to handle primary driver and secondary driver roles.
* Deprecated `powerMode` concept.

## Known Issues