iPhone Guides

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:

Ask Reasons for Calling iOS 26 spam call blocker

Make Unknown Callers Identify Themselves Before Your iPhone Rings with Ask Reason for Calling in iOS 26

Tired of spam calls? iOS 26 introduces a powerful native solution called “Ask Reason for Calling” that makes unknown callers identify themselves before your phone rings. This article provides a complete setup guide, explains a crucial language & region compatibility tip, and shows how to combine it with third-party apps like Hiya for the ultimate two-layer defense against robocalls and telemarketers.

Read MoreMake Unknown Callers Identify Themselves Before Your iPhone Rings with Ask Reason for Calling in iOS 26