The OpenMRS iOS client is pretty new product. Therefore, the latest releases may contain any number of bugs.
The purpose of this task is to allow you to explore iOS client app using an iPhone have with you, and try to find any bugs.
You can try to find errors in iOS app in numerous ways such as inputting invalid data in order to detect validation errors.
Eg. of a validation error : The system allows you to enter and save invalid information for a patients birthdate or age.
File two bug reports under the iOS project  in OpenMRS JIRA and paste the link of that issue in the comment below to complete the task
For more information on the Software QA process, please refer to 
Download iOS app : https://wiki.openmrs.org/display/docs/OpenMRS+iOS+Client