Sooo i've been obsessing over this too since I'm also grabbing the S25 Ultra on day one!! Honestly the size is no joke and that camera module is basically a target for concrete. For your situation, I think you really gotta look at the technical side of how magnets affect the digitizer. Basically, the S-Pen uses EMR (electromagnetic resonance) technology and cheap MagSafe rings create a dead zone where the pen won't register correctly. It's super annoying ngl. Here's what I recommend: I've heard really good things about the Mous Limitless 5.0 for Samsung Galaxy S25 Ultra. They use something called AiroShock which is basically high-impact material that lets them keep the case relatively slim while still being rugged as heck. Plus, they specifically engineer their magnets to minimize S-Pen interference... its like their whole thing. Another decent option is the UAG Monarch Pro MagSafe for Samsung Galaxy S25 Ultra. It's a bit pricier but it's got five layers of protection and the lip around the screen is actually huge, so you dont have to worry about face-down drops. I mean, it looks a bit "tactical" but if you want safety, it's a beast. Wait, I should also mention the Dbrand Grip Case for Samsung Galaxy S25 Ultra. It's literally the grippiest thing I've ever felt so you're less likely to drop it in the first place lol. It has MagSafe too but idk if theyve 100% solved the S-Pen jitter yet. Maybe wait for some reviews on that one? Anyway, hope that helps! Good luck! 👍

> "Stick with Spigen or Mous" +1! For value, I’d actually go with the Spigen Tough Armor Case. It’s way cheaper than Mous, super rugged, and wont mess with ur S-Pen accuracy tho!!

Hey, watch out for cheap magnetic cases!! I learned the hard way that magnets LITERALLY mess up ur S-Pen accuracy... its realy annoying. For your situation, I suggest:
- Stick with Spigen or Mous
- Look for shielded magnets Honestly, I love Spigen cuz its cheap but realy high quality. My last one was fantastic and saved my phone twice!! gl!

Totally agree with the points about EMR interference—it's a massive headache for us S-Pen power users since the digitizer is so sensitive to magnetic flux. Tbh, if you can't find a "perfect" pre-made case that balances bulk and safety, have you considered the DIY self-service route? I’ve spent years modding my own setups because industry standards for Qi2 alignment can be a bit hit-or-miss with these larger chassis. Basically, you can buy a high-end "dumb" rugged case and manually install a ferromagnetic ring yourself. It lets you precision-align the ring to the internal induction coil while keeping it far enough from the S-Pen’s primary active area to avoid those annoying dead zones. It’s more of a pro-tip for getting the exact protection profile you want without compromising the tech, you know? Anyway, before you commit, what’s ur actual plan for the chargers? Like, are you fully invested in the Qi2 ecosystem with the locking magnets, or do you just need something for a basic car mount? It makes a big difference in how much shielding you actually need.

For your situation, i think you should check the Ringke Onyx Magnetic for Samsung Galaxy S25 Ultra!! Its amazing cuz the grip is great so you dont drop it, and it feels reallyyy safe without being a total brick... plus the magnet is usually reallyyy well-shielded for the S-Pen. Definitely worth a look if youre worried about safety like i am!!