Here is a knowledgebase article on the problem I was having. I have done a test e-filing in a case:
link

Apple's track record for online services is not nearly as good as it is for its hardware.

We have now successfully filed a number of appellate and trial documents through Tex File. Not perfect, but I think it will work.

US Legal Pro (https://uslegalpro.com) offers completely free eFiling service to attorneys and Pro Se in Texas. It is gaining in popularity because it is on of the easiest service that you can find that mobile as well as Mac Friendly. Apparently a lot of attorneys use Mac and Ipad..

Free Texas Counties eFiling EFSP

US Legal PRO is another well know EFSP.. Texas eFiling Divorce. Also does divorce Texas Uncontested Divorce

You could try

Texas Online Filing