Wiki在Amazon、eBay、AliExpress和合作商家中比较iphone 7 8plus custom sisters phone case的实时价格。iPhone 16 Pro(999美元)是当前默认——A18 Pro芯片、钛金属边框、48MP主摄、支持Apple Intelligence。iPhone 16(799美元)保留相同芯片但去掉长焦。iPhone 15 Plus和15 Pro Max仍以折扣价销售。SE 4(2026年传闻)将回归预算等级。Apple翻新iPhone享有完整1年保修,15%折扣。 点击任何卡片以打开卖家的产品页面;我们赚取小额联盟佣金,您无需支付额外费用。
Frequently asked questions about iphone 7 8plus custom sisters phone case
Should I upgrade my iPhone every year?
No. Apple Silicon iPhones (12-series and later) hold up for 5+ years with all software features. Upgrading every 3-4 years (e.g. iPhone 12 → 16) gives a noticeable leap; year-over-year (15 → 16) is mostly camera incremental improvements. Apple iPhone Upgrade Program makes annual upgrades easier financially but you pay long-term for marginal gains.
iPhone Pro vs base iPhone — is the Pro worth it?
Pro adds telephoto camera, Always-On display, ProMotion 120Hz, titanium frame, and Action Button. Worth it if you take photos seriously, scroll a lot (120Hz feels much smoother), or value the always-visible lock screen. Base iPhone has the same A18 chip in 2025+; performance is identical for app use.
Should I buy a refurbished iPhone?
Apple Certified Refurbished is the safest path — full 1-year warranty, new battery, new outer shell, typically 15% off. Avoid Amazon third-party 'refurbished' unless the seller specifies the grade and warranty. Verified third-party (Back Market, Gazelle) is also fine. Always check IMEI status before buying anywhere.
How long do iPhone batteries last before needing replacement?
Apple-rated for 80% capacity at 1,000 full charge cycles, which most users hit in 2-3 years. Replacement at the Apple Store costs $89-99 (most models). AppleCare+ covers batteries that fall below 80% during the coverage period. Settings → Battery → Battery Health shows current Maximum Capacity.
Is the iPhone 16 worth the upgrade from iPhone 13?
Yes — meaningful jump in chip speed, camera quality (especially low light), battery life, and screen brightness. Apple Intelligence features require iPhone 15 Pro or newer, so the 13 lacks the AI suite entirely. If your 13 still works fine and battery is healthy, you could safely wait one more cycle for the iPhone 17.