Good morning Caution187 and thank you for reporting this issue. We truly apologize for all the issues you've had with your phone.
Slow phone performance could be caused by one of the following facts:
- Too many apps installed: Depending on the phone's processor and RAM memory capacity, having too many apps may slow it down.
- Software version not up to date: Not having the last software version, may cause the apps to misbehave and thus slow the phone down.
- Network outage: Only while navigating the Web or using Internet-based services.
Have you checked one of these points?
Looking forward to your reply.
@Caution Hey there! Please, visit this link at Troubleshoot when your ZTE Speed slows, freezes, or turns off unexpectedly http://devicehelp.boostmobile.com/document/troubleshooting/Speed/Boost_Mobile/en/Troubleshoot_when_y..., Please let us know, if this steps works.