Review of apps capable of backing up text messages.
MessageSync is still the best, right through to Nougat. All messages backed up and restored along with conversations that have more than one participant and significantly: MMS too!! But it has problems with emoji's. Also, the function within the app, "Synchronize" messages with backup file or "merge" with backup file is funky *see reviews for the app on Google Play Store. JS Backup - Restore & Migrate seems good but has problems with MMS; emoji's and group conversations seem okay. Also, JS Backup tells you how many SMS and MMS items to backup before you actually run the backup. Titanium Backup Root is excellent but requires root. Also, due to a change in the location of the com.android.providers.telephony folder with Nougat, TiBu has problems restoring to the folder. Method to make it work is as follows: Recommend adding your Google accounts and Whatsapp accounts so that all your contacts are restored and conversations have proper names prior to