fone doctors · Blog
Repair guides & London tips
Straight-talking advice on screens, batteries, cameras and water damage — written for patients, not algorithms.
Repair Guides
Phone Overheating: Causes, Fixes and When It Is a Battery Problem
Phone getting hot while charging, gaming or doing nothing? Learn the normal-versus-dangerous temperature line, the eight causes, and the two that mean stop using it now.
Repair Guides
Samsung Galaxy Battery Replacement London: Costs, Signs and What Is Involved
Samsung battery replacement in London from £49. How to check Galaxy battery health, why Samsung batteries are harder to replace than iPhone, and model-by-model prices.
Repair Guides
Phone Won't Turn On? The Step-by-Step Guide Before You Assume It Is Dead
Phone completely dead, stuck on the logo, or black screen? Work through the force restart, charge test and screen check that revive most phones — and learn what each fault costs.
Repair Guides
Phone Not Charging? How To Tell a Dirty Port From a Dead One
Phone not charging or only working at an angle? Diagnose cable, port, battery and board faults in ten minutes, and learn the safe way to clean a charging port.
Repair Guides
iPhone Battery Replacement London: Costs, Signs and Timing (2026 Guide)
iPhone battery replacement in London from £39. Model-by-model pricing, the seven signs you need one, and why Apple, DIY kits and independents differ.
Repair Guides
Phone Battery Health Explained: Why 80% Is The Number That Matters
What phone battery health actually measures, why 80% is the threshold, and the eight habits quietly killing your battery. Plus when replacement beats upgrading.