Guides
Plain, practical guides for buying and selling used Android phones.
- Free online phone test: screen, touch, speakers, cameras and sensors in the browser
- Is my phone original? Real specs of 24 popular models
- How to check a used phone before you buy it: a 14-step checklist
- Original or clone? How to check what is really inside a phone
- How to check if a Tecno or Infinix phone is original
- How to check if a Samsung phone is original: S23, S24 and S25 Ultra and Galaxy A
- Phone test codes by brand: Samsung, Xiaomi, Oppo, Realme, Motorola, Tecno
- Battery health on Android: where to look and what the numbers mean
- Touch screen and dead pixel test: dead zones, ghost touch, burn-in
- Fake storage: how to prove a phone's real memory size
- Best free apps and tools to check a used Android phone
- How to sell your used phone faster, with a seller certificate
- ያገለገለ ስልክ ከመግዛትዎ በፊት እንዴት እንደሚፈትሹ (አማርኛ)