This was a UI redesign project of the Zoom Mobile app that I had worked on during my graphic design internship at Snap Inc. The objective was to analyze the current usability of the mobile app and present my findings. The end result was a hi-fidelity prototype and a presentation of my test results.
My role
• Usability testing                        
• UI redesign
Why a redesign?
The IT manager at Snap had requested a quick analysis of the Zoom mobile app and assigned me with the task to conduct some user testing following a UI update. They wanted to compare the usability of Zoom versus that of Google Hangouts Meet, which was the standard platform used across all offices. There was a brief amount of prior engagement with Zoom between the manager and other staff members and they wanted to further inspect its usability and likability. Based on their feedback, they also wanted to look into a redesign. 
So what's not working with the current UI?

Screenshots of Zoom mobile app Fall 2019

Before embarking on any type of redesigning, I dove into user testing the app first. Due to the time constraints of this project, about 5 days total, I only user tested 2 of my teammates and myself with the app. 
Here's the main pain points that I extracted from these user tests: ​​​​​​​
1. Vague Terminology and Iconography
Some of the labeling and icons used within the navigation can be confusing to understand what their specific function is and how they differentiate from each other. 
In this example, the labels 'Audio' and 'Video' in the bottom navigation are not immediately understood as controls for the user's end or that of the guests. Also it's hard to differentiate the bottom 'Audio' icon from the audio icon in the top navigation (icon shown on right screenshot), which are both located on the same screen.
2. Lack of immediate transparency of features can be frustrating
There are affordances, like the Safe Driving Mode, that are not brought to light to the user unless discovered by accident or through further exploration. 
While testing out the app, I stumbled upon the Safe Driving Mode feature which I was unaware of from landing on the front camera screen. By swiping to the right, I discovered this special feature that was inconveniently hidden. 
3. Lack of feedback or feedback is confusing 
​​​​​​​When using certain navigation controls, there is no proper visual feedback that indicates what the resulting function is. 
For example, when tapping on this audio icon in the top navigation, it toggles between 'On' and off but with no visual or audio feedback indicating what is happening. Once I played around with it more, I learned that it controls the audio output of the device you are listening with. So if you are listening with headphones plugged in, it can turn off/on the audio output of your headphones.
So here's my suggested redesign.
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