How to copy SMS messages from phone to PC if I can't install apps? I want to back up the SMS messages on my phone (an Alcatel One Touch Evolve 2), and I guess the simplest way to do that is to copy the SMS database to my PC.

According to this answer, the SMS database is found at:

/data/data/com.android.providers/telephony/databases/mmssms.db


However, this database seems to only be user-accessible if the phone is rooted, and I am currently unable to install any apps on this phone.  Every time I try to install an app from the Google Play store, I get a message saying that there is "Insufficient storage", even if I just uninstalled the same app and am trying to reinstall it.  This is probably a memory issue that requires a factory reset, which is why I'm trying to back up my SMS data before resetting the phone, but how can I get to the database if I can't put an app on the phone to root it?
Use Alcatel PC Suite. You can synchronize your smartphone data with PC this way.