Regarding what #1 said about "Honestly, that haptic sensor on the S26 is super sensitive," I have found over the years that even high-end glass can be a headache if the installation isnt perfect. It is really about the ultrasonic wave refraction through the adhesive layer. Before I point you to a specific brand, are you open to using a hybrid film, or are you strictly set on tempered glass? Some of the newer hybrids offer better sensor reliability without that grainy TPU look you hated. A couple of quick tips for your trip:

• Increase your touch sensitivity in the display settings before applying anything.
• Re-scan your fingerprints in a dark room after the install to help the sensor calibrate. For a safe, budget-friendly pick that fits most cases, Id go with the amFilm OneTouch Tempered Glass Galaxy S26 2-Pack. It is well under $40 and the alignment tray is pretty foolproof when you are in a rush.

Unfortunately, I've found that most protectors labeled as S26 compatible are failing the 0.2ms haptic response benchmarks. Light transmission on the bulk kits I tested was often below 90%, which basically ruins the clarity of that panel. Since you're heading to Chicago and need a fix under $40 that works with your Rugged Armor, these are the only ones that havent been a total disappointment:

• amFilm OneTouch Glass Screen Protector for Galaxy S26
• This uses a 0.26mm glass which is thin enough for the ultrasonic waves to pass through without much delay.
• Ringke Dual Easy Film Screen Protector Galaxy S26
• Its a PET hybrid that avoids the orange-peel graininess you get from cheap TPU films. Quick tip: re-register your fingerprints twice. Once in a dark room and once in bright light. It helps the haptic sensor map the adhesive layer more accurately.

Honestly, that haptic sensor on the S26 is super sensitive. You really gotta be careful with the cheap stuff because it messes with the ultrasonic wave refraction. I would suggest looking into the Whitestone Dome Glass UV Gen 2 Screen Protector for Galaxy S26. It is about $38 and uses that liquid adhesive which is basically the only way to keep the sensor 100% snappy without the graininess of TPU. Just make sure you cover the side buttons with the tape they provide so the glue doesnt get in there... it can be a mess if you are not patient. If you are tight on time before Chicago, the Spigen Glas.tR EZ Fit Tempered Glass S26 2-Pack is a solid backup and fits your Rugged Armor case perfectly. Just re-register your prints after you put it on. TL;DR: Grab the Whitestone UV kit for the best clarity and sensor response, or Spigen for a faster install that definitely fits your case.