For what Amazon describes as "a brief time frame", the textbooks ended up unavailable for redownload by end users who experienced previously acquired them. This potential was restored right after it had been brought to Amazon's attention; nevertheless, no distant deletion befell.[103] Text and black-and-white imagery are shown at 300ppi https://freeonlinetoolsseourl.blogspot.com/2025/12/kindle-in-2026-future-specs-ai-features.html