iPhone 18’s 9GB RAM Still Blocks iOS 27 Siri Features

TL;DR Summary
Ming-Chi Kuo’s rumor says the iPhone 18 and iPhone 18e will ships with 9GB of RAM to support Apple Intelligence, but two iOS 27 features—Siri voice expressiveness customization and major improvements to dictation—still won’t be available because the on‑device AI model requires 12GB RAM. The iPhone 18 Pro/Max/Ultra will maintain 12GB RAM. Apple plans to release the Pro line in September 2026 and the base 18, 18e, and a second‑gen iPhone Air around March 2027. RAM/NAND shortages are pushing prices higher, with analysts forecasting a $100–$200 premium for the base models compared with the iPhone 17 lineup.
- iPhone 18 With 9GB RAM Still Won't Support Two New iOS 27 Features MacRumors
- iPhone 18 and iPhone 18e now rumored to have a surprising amount of RAM - GSMArena.com news GSMArena.com
- Key facts: Touchscreen MacBook Pro 2026–27; iPhones get 9GB DRAM H1 2027 TradingView
- Apple PCB suppliers press ahead with iPhone 18 buildup despite memory price shock digitimes
- iPhone 18 and 18e: Mini RAM increase targeted heise online
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