Here's the timeline:
-Was a verizon unlimited customer with this same phone for years, no problems sending long texts and pics to android phones
-Stupidly switched to Google for two weeks, then switched back to Prepaid Verizon
-After switching back I can no longer send pics/texts to android phones.
I have done thorough troubleshooting (8+hours) with tech support:
-via the phone 4 times
-via chat once
-in store person 2 times
The employee at our verizon store used to be level three tech support and spent a considerable amount of time trying to figure it out.
His conclusion was that tech support needs to change my IMS status from VOICE and SMS to VOICE and DATA.
When I go to settings>about>Carrier---it says Voice and SMS
Despite calling verizon tech support to change this, they have been unsuccessful.
Issue resolved after searching the forums.
This is what I did:
-Turned off phone
-Put my old google fi sim card in
-Settings>cellular>cellular data network
-I cleared all settings manually, and then clicked reset settings.
-Restarted phone, and VOILA! Issue resolved!!!