The phrase "and then reverting" is correct and usable in written English.
It can be used when describing a process where something is changed and then returned to its original state.
Example: "After testing the new software, we decided to implement the changes temporarily, and then reverting to the previous version proved to be the best option."
Alternatives: "and then going back" or "and then returning".
And then, reverting to type once the danger had blown by and left them alone, they said it was much ado about — maybe not nothing, but surprisingly little.
In early September of this year, after the Democratic conventions, they had Mr. Obama's lead among registered voters going from seven points to zero points over the course of a week — and then reverting to six points just as quickly.
He had rarely written for the voice and never for the stage, and he produced an alternately inert and furious opera, with vocal lines that kept leaping around and then reverting to the safety of chants.
In early September of this year, after the Democratic convention, Gallup had Mr. Obama's lead among registered voters going from seven points to zero points over the course of a week — and then reverting to six points just as quickly.
Playing great passing, combination soccer for 30 minutes and then reverting to long ball clearances without any effort to maintain possession throughout the middle of the field for the remainder of the game is not the answer.
You're changing something for an hour and then reverting back if it doesn't work.
One abbreviated transmission said, "Subject has ability to display emotion and then revert to military".
L'Express appeared daily for 120 days, and then reverted being a weekly, which it still is.
Through time regeneration was halted earlier in the sequence and then reverted to increasingly open plant communities dominated by grasses.
They would remain so for a few minutes and then revert to their true color and intensity.
