Conversely, in texts

• Texted lead-in to an alternative
• Texter's "Then again ..."
• "Looking at it differently," in texts
• "Then again . . ." in texts
• Start of a contrarian tweet
• Quick "however"
• Texter's "That said ..."
• "That said ...," in a text
• Alternatively, to a texter

Wiktionary Word definitions in Wiktionary
init. (alternative case form of OTOH English)