We run OLA TECH — a refurbished iPhone business in Hong Kong — and we use iPhones all day, every day. That means we’ve actually tested these features, not just read about them on spec sheets.
This section covers practical iPhone how-tos: settings worth changing, features Apple buried three menus deep, and shortcuts that save real time. No padding, no beginner hand-holding, just the stuff that works.
New here? Start with our complete iPhone tips guide below, then browse by topic here:
The only iPhone tips guide you need for iOS 26. Covers essential settings (Text Replacement, Focus Mode, battery health), hidden features like Back Tap, and fixes for autocorrect and spam calls. Updated for 2026 with what actually saves you time. Used daily by the OLA TECH team.
Smartphone batteries degrade faster than they should — but mostly because of bad habits, not bad hardware. Learn the 5 charging habits that actually work, how iOS 26's new Charge Limit and Adaptive Power Mode protect your battery long-term, and what battery health percentage to look for when buying a refurbished iPhone.
在上月的WWDC 2020全球開發者大會，蘋果公佈了許多項更新，其中最為人所期待的，莫過於iOS 14的出現了！究竟是此更新有哪些激動人心的改動呢？跟著Ola一起來看看吧！
Hong Kong's Vaccine Pass requires citizens to scan venue QR codes using the "LeaveHomeSafe" app while merchants use the government's "QR Code Verification Scanner" app to validate vaccination records, with audio cues indicating status. The system recommends affordable compliant smartphones for businesses to facilitate smooth operation
美國手機保安技術公司KISI早前發表《2020年工作與生活平衡城市排行榜》，在50個城市中， 香港排行第45位，平均僱員每周的工作 50.1小時。香港人生活工作壓力大，OT文化被合理化，想追求生活和工作上的平衝？ 以下3個小貼士，幫你實現 Work-Life Balance的夢想：
"Can’t connect after inserting SIM/eSIM? 📱 Fix ‘No Internet’ by setting APN on Android & iPhone! Step-by-step guide + HK/US/PH carrier APN lists. Resolve errors & unlock data instantly