
iFixit Shares iPhone 18 Pro Teardown With Inside Look at New Features
iFixit published a detailed teardown of the iPhone 18 Pro and Pro Max, revealing internal specifications and design changes. The analysis confirmed specific battery capacities for eSIM-only models and highlighted a new variable aperture system and larger vapor chamber. However, the teardown noted that the screen's plastic frame cracked during disassembly and that storage repairs have become less convenient due to NAND placement.
- ▪The iPhone 18 Pro features a 4,288 mAh battery, while the Pro Max includes a 5,567 mAh battery in eSIM-only configurations.
- ▪eSIM-only versions of the devices are available in the U.S., Canada, Japan, and several Middle Eastern countries, with SIM trays provided elsewhere.
- ▪The new variable aperture system and larger vapor chamber for cooling were examined in detail during the teardown.
- ▪NAND storage is now located inside the dual-layer logic board, which iFixit states makes storage-related repairs less convenient.
- ▪The screen's plastic frame cracked or broke away on three of the four devices opened, an issue not observed in previous models.
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iFixit Shares iPhone 18 Pro Teardown With Inside Look at New FeaturesSunday September 20, 2026 8:44 pm PDT by Joe RossignoliFixit today published an iPhone 18 Pro and iPhone 18 Pro Max teardown in both article and video formats, providing a closer look inside the new devices. The teardown confirms the battery capacities for the eSIM-only models: iPhone 18 Pro: 4,288 mAh (+0.8% vs. 4,252 mAh for iPhone 17 Pro) iPhone 18 Pro Max: 5,567 mAh (+9.4% vs. 5,088 mAh for iPhone 17 Pro Max) eSIM-only models of the iPhone 18 Pro and iPhone 18 Pro Max are sold in the U.S., Canada, Mexico, Japan, Saudi Arabia, the United Arab Emirates, Qatar, Oman, Bahrain, and Kuwait. The devices have a SIM card tray in all other countries.
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