This thermal camera let me see just how much my phone was overheating

Thermal Master produces excellent dongle-sized thermal cameras, and their P3 model is the best one yet.

Not only does the P3 outperform competitors like the Fluke iSee, but it also comes at a much more affordable price point.

If you’re looking for a high-quality, cost-effective thermal camera, the Thermal Master P3 is definitely worth considering.
https://www.androidcentral.com/accessories/this-thermal-camera-let-me-see-just-how-much-my-phone-was-overheating