I don't know if it will get reported to DMV. It should not show up on a DOJ background check.

What kind of lawyer should I get

You need to speak with an attorney who cares and will fight for you.

What happens if you do not call for a follow up on a report?

You won't have any control over whether the case is "dropped." This is so even where you fail to follow-up with investigators.

Can I file a postponement for jail time?

I agree with my colleagues. Your friend needs a good attorney, and quick!

Do I need to show up to court on the date indicated on my ticket if I paid the ticket online?

If the court's website states your case is closed, then it's closed. You can check with the clerk to be sure.

You can petition the court to expunge your conviction. If you successfully completed probation, without any issue, and are not currently facing...

It is difficult to tell from what you have written- did you enter a plea? If you want to withdraw the plea, you will need to speak with an attorney...

Wrongfully convicted

If you were wrongfully convicted, you will need to appeal the decision. Speak with an appellate attorney immediately. Good luck!

How to prevent a charge under a DV police report? Want to drop the case.

You can tell the investigators that you don't want prosecution, but it is out of your hands. Ultimately, the DA will decide whether to file charges.

Brady material

Brady material consists of exculpatory or impeaching evidence and information material to the guilt or innocence, or punishment, of a defendant.