Experts have shared two competing theories as to how hundreds of pagers could have exploded simultaneously.
One theory is that there was a cybersecurity breach, causing the pagers’ lithium batteries to overheat and detonate.
Another is that this was a “supply chain attack,” where the pagers were tampered with during the manufacturing and shipping process.
I have seen Scepter mentioned a few times lately.
https://www.sceptre.com/TV/4K-UHD-TV-category1category73.html