A complete guide to buying mobile phones in 2026: How to choose iPhone 16, Pixel 9, S25 Ultra + AI mobile phone trends

1. Self-assessment before purchasing

• Daily use type

  Mainly used for communication, social media, and web browsing. A mid-range model will suffice, with a recommended budget of $200-$400.

• Photography enthusiast

  I often take photos, videos and share with the community. You need to pay attention to camera specifications and image processing capabilities, and the recommended budget is US$500-800.

• gamer

  Frequently playing mobile games requires a high-performance processor, large memory, and heat dissipation design. The recommended budget is US$600-1,000.

• business people

  If you pay attention to safety, battery life, and multi-tasking capabilities, you may need a large screen or folding function, and the recommended budget is US$800-1,500.

2. iOS vs Android system comparison

3. Interpretation of key specifications

• Processor (SoC)

  Determines the overall performance of the phone. Flagship chips such as Apple A series, Snapdragon 8 Gen series provide the best experience. Mid-range chips like the Snapdragon 7 series are also adequate for daily use.

• Memory (RAM)

  Affects multitasking capabilities. Because iOS is well optimized, 6-8GB is enough. Android recommends at least 8GB, and gaming users recommend 12GB or more.

• storage space

  128GB is currently the basic threshold. If you often shoot 4K videos or download large games, we recommend 256GB or more. Some Android phones support memory card expansion.

• screen

  OLED screens have better color performance than LCDs. 120Hz update rate brings a smoother swiping experience. The brightness must be at least 800nit to be clearly visible outdoors.

• Batteries and charging

  More than 4500mAh ensures a day of use. Fast charging power of more than 30W can be fully charged in 1 hour. Wireless charging is a convenient but optional bonus.

• camera system

  Don't just look at pixel numbers. Sensor size, optical image stabilization (OIS), and computational photography capabilities are more important. Ultra-wide-angle and telephoto lenses increase shooting flexibility.

4. Recommended strategies for each price range

5. Purchase channels and timing

• official store

  The most secure plumbing, with a complete warranty and return and exchange policy. Some brands offer trade-in discount programs.

• E-commerce platform

  Prices are usually more competitive, especially during major sales events. Make sure to choose an officially authorized store.

• Telecommunications matching plan

  The binding plan can reduce the purchase price of mobile phones, but it is necessary to calculate whether the total contract cost is cost-effective. Suitable for users who inherently need stable communication rates.

• Second-hand/new machine

  A good choice when you're on a budget. Choosing an officially refurbished machine with a warranty (Certified Refurbished) has lower risks.

6. Accessories and protection solutions

• protective case

  Basic protection is essential. The military-standard anti-fall shell is suitable for people with slippery hands, while the thin shell is suitable for users who pursue a comfortable feel. MagSafe compatible case provides easy access to magnetic accessories.

• screen protector

  Tempered glass stickers are the basic choice. Matte stickers reduce fingerprints but sacrifice clarity. Pay attention to whether it affects fingerprint recognition and touch sensitivity.

• Charging accessories

  Prefer certified chargers (such as USB-IF certified). Do not use low-quality charging cables, which may damage your phone or cause safety hazards.

• Extended warranty

  Such as AppleCare+ or brand extended warranty. If you often drop your phone or plan to use it for more than 3 years, it is recommended to buy it. Calculate whether the cost of the warranty is worth it.

7. New phone setup and data transfer

• Data backup

  Make a complete backup of your old phone before transferring. iOS uses iCloud backup and Android uses Google backup. It is recommended to also make a local backup just in case.

• Data transfer

  From iOS to iOS, it is most convenient to use "Quick Start". Android to Android sync using Google Account. Cross-system transfer can use transfer tools of various brands.

• Privacy settings

  Check the permission settings of each app one by one and turn off unnecessary location, microphone and camera access. Turn on the "Find My Phone" feature to prevent loss.

• Security settings

  Set up biometrics (fingerprint/face) and strong passwords. Enable two-step verification to protect important accounts. Set a SIM card PIN to prevent SIM card theft.

8. 2026 Three flagship showdowns: iPhone 16 / Pixel 9 Pro / Galaxy S25 Ultra

• Who is iPhone suitable for?

  Already have a Mac/iPad/Watch, do Vlog creation, focus on ecological integration, want long-term system updates (7 years)

• Who is Pixel suitable for?

  Heavy user of Google services, wants the latest Android, likes cleanliness and no bloatware, and values ​​AI photo retouching

• Who is Galaxy suitable for?

  Need S Pen, want the toughest specs, 5x optical zoom, want a big screen (6.8 inches)

• Best value for money

  If the budget is limited, iPhone 15 (NT$ 29,900), Pixel 8a (NT$ 18,900), Galaxy S24 FE (NT$ 25,900) are the sweet spots among the previous generation flagships

9. Are AI phones really useful? 2026 Practical Evaluation

• AI features you use every day

  AI real-time translation of calls (for overseas/foreign language customers), AI subtitles (for watching videos without subtitles), AI camera optimization (automatic HDR/low light), AI text message summary

• AI features that are occasionally used

  AI writing assistant (email/message editing), Circle to Search (circle search), AI photo retouching (remove passersby, repair defects)

• AI features that are almost useless

  AI wallpaper generation, AI dialogue summary (listen to the recording), AI generated illustrations. It sounds trendy but is rarely used in real life.

• Should you buy an AI phone?

  If you only have 10% more budget, it's worth upgrading to an AI flagship. If you want to spend 30%+ more, it is recommended to buy the previous generation flagship to save money. AI will probably be transferred to mid-range phones.