My SPH M580 dials slowly or not at all now, and sends texts slow.

[AC Question]

When texting it just says "Sending" for a few minutes. When dialing out it takes several minutes to dial if it dials at all. It's never done it before.

 

[B. Diddy]

Welcome to Android Central! Try booting into Recovery Mode and wiping the cache partition, which won't erase any personal data. Follow the steps in this video, but instead of selecting Wipe Data/Factory Reset, make sure you select Wipe Cache Partition. When complete, then select Reboot System Now.

https://www.youtube.com/watch?v=iE9U7PRl4nM