The "SUD Retail APK" is for the T-Mobile SyncUP DRIVE retail store experience.
Please refer to the SUD Retail Experience Setup Guide for complete instructions on how to install this APK. The setup guide includes special credentials to give you access to the optimized experience. Speak to your store manager for more information.
The "SUD Retail APK" has been designed specifically to work with the ZTE ZMAX Pro smartphone, as part of the SyncUP DRIVE retail presence.