Thanks so much I appreciate it.

I'm having the game validation error and it won't go away. I've tried updating my non 1987 sd card with the newest and also re writing the a fresh image from stern but haven't been able to get the error to go away.
Any suggestions? I've already taken the little battery out and but it back but that hasn't work.

I dont have any usbs connected. Another weird thing is there are no stock high scores with the developer initials. All the high scores are at like 1.9 billion and the initials are name1234...

I had the exact same problem as you. Play a game then just leave the game on attract mode for about a half hour. When you come back to check, it’ll be gone, like magic! Hope this works for you.

I will give it a shot when I get home. Usually I play and then turn it off so leaving it on for a while is something I haven't tried yet.

So far, I've had just a couple hiccups with the 1987 code..and the fix was to turn off, pull the SD card, reseat it, and then power up..and re-initialize. I've had a couple ball locks (the plastic cams on the left) get stuck while erect, and the ball search does nothing..first it happened behind the van, then a few days ago, it happened at the Lair. But reseating the card fixed the node board issue? instantly.

leaving the machine on for a while worked like a charm.
Thanks for the help everyone!

actually, I think it might have been something even more simple..I just moved the machine in it's corner, and it wasn't level, side to side. It was low on the left side, where the balls were hanging up..It shoots way better now (I haven't had the time/energy to dial in my new aquisitions; I am recovering from neck surgery), so I'll see if this solves any further hangups. It's actually easier to flip now..GAME ON. (I keep wanting to trade this premium for an Alien LV, but something is not letting me do that-it's a really fun and 'atmospheric' machine (TMNT).

Glad it worked!

I read this whole chain but I am still a little uncertain if this was an accurate assessment. I have a tmnt with the code already on the current card that came with the machine I bought used. In order to get the default version without the code. Do I just remove the current card and put in a blank one? And 2 if I want the code I just go back and switch or is there something special needed to be done if I want to revert to the code.

To get the default version, switch it out with a new card that has the default code on it. You can download it from Stern's website.

I'm picking up a turtles premium next week. Cowabunga! Just learning about this 1987 code. Does it change the audio at all, or just the animations? Is there a gameplay video with the 1987 code and Delt's music? Is Delt's music the riginal show soundtrack, or what?

Which version of the code do you guys like best?

Thanks!

So in conclusion what we are saying is a modded sd card on connect can brick the cabinet? The validation error only happens when online?

I am running the 1987 code 1.54 with Insider Connected and no problems.

I read in the thread for the Scandell mod that if you have validation errors try installing the stock 1.54 code and THEN the modded 1.54 code. That's for Scandell, so I have no idea if it matters for 1987, but my machine was on the stock 1.54 when I got it so if you're concerned you can try installing the stock 1.54 first.

I've not heard of anything being bricked, worst case you would just re-install the stock code.

Just getting around to trying this for the first time following the original instructions in conjunction with the Pinball Browser forum. However, I only have a Mac where I'm using the Crossover Free Trial version for the next 14 days....

When I tried using Crossover it gives me an error (along the lines of the NET one but way more accompanying text) and I tried installing the NET and it said it was already installed. I gave up and followed the Stern instructions to flash on an SD card using Balena Etcher. First time trying it but it seems to have flashed without error. The original post said there are issues with Balena but is that still the case? I guess I'll find out when I try it soon.

When trying to start a game after selecting a turtle the game locks up on me.

Is it correct I need to be at the latest 1.54 code? I thought I was but when I put the original SD card in it said I was running v1.41. Do I need to upgrade before swapping out the cards? I think I missed that step if so.

I’ve not had one problem with balena etcher every.

I used Balena Etcher on my Mac with no problems.

New 1.55 code from Stern. Is everyone just staying on 1.54?

There aren't any meaningful updates in 1.55 so I would imagine yes.

Does anyone know if there is a 1987 + April code mashup?

Fantastic. Thank you for all the work you do!

I am getting the following error when trying to write the TMNT 1987 Code to my SD Card. I am running Pinball Browser as administrator. Any Help would be appreciated.PB2 (resized).jpgPB1 (resized).jpg

I've had good luck with Win32 disk imager. You could try that?

Great work! It really is too bad that Stern didn't spend more time on the animations because this theme is killer for anybody born in the 80s.

I’m finally getting around to trying this out. The version of this code doesn’t need to match the current Stern code I am running as the version resides on the SD card, correct?

Meaning, I can just download this version and swap out the SD card? Note I do not have IC on mine.

I've been using the code and I'm enjoying it!

I finally got it up and runnng with the new code and it’s so much better. Thanks daveyvandy for all your help!