7 min read
Buying
Used Phone Buying Checklist: What to Check Before You Pay
A practical checklist for checking a pre-owned phone's identity, display, battery, cameras, charging, network, accounts and physical condition before payment.
Read guideJeremy Tech Guides
Understand your devices before you spend money on them.
Straightforward guides for buying phones, understanding repair options, spotting common warning signs and caring for the gadgets you use every day.
01
Buying
Check before you pay
02
Repairs
Know what the fault may mean
03
Care
Avoid preventable damage
04
Screens
Compare replacement options
Original guidance
Written for Jeremy Tech customers and everyday device owners.
Practical first steps
Clear checks you can make before deciding whether you need a repair.
No miracle fixes
We separate safe troubleshooting from faults that need proper diagnosis.
Latest guides
Useful answers, without the technical clutter.
New guides will be added as customers ask more questions about phones, gadgets, repairs and maintenance.
6 min read
Maintenance
Phone Battery Warning Signs: When to Test or Replace It
Learn the common signs of a weak or unsafe phone battery, what you can check first, and when a professional battery assessment makes sense.
Read guide7 min read
Displays
OLED vs Incell vs Original Phone Screens: What the Difference Means
A plain-English guide to common replacement-screen categories, including OLED, Incell and original/follow-come displays, and the trade-offs to consider.
Read guide6 min read
Repairs
Phone Not Charging? A Safe Troubleshooting Checklist
Simple checks for a phone that will not charge, covering the cable, charger, power source, charging port, moisture warnings, battery and internal charging faults.
Read guide6 min read
Repairs
How to Prepare Your Phone or Laptop Before a Repair
A practical pre-repair checklist covering backups, account security, accessories, fault notes, waybill packaging and protecting personal information.
Read guide7 min read
Maintenance
Laptop Overheating: Common Causes and Safe First Steps
Understand why a laptop may run hot, what you can safely check yourself, and when overheating points to a cooling, battery, software or hardware problem.
Read guideNeed a real diagnosis?
A guide can narrow the possibilities. Your device tells us the rest.
If the basic checks do not solve the problem, send us the exact device model and symptoms or visit the office for supported repair work.