Ask any phone repair technician in Computer Village or your local market what they see most, and the answer is rarely a mysterious technical fault. It is usually a swollen battery from a poor charger, a dead port from a loose cable, a phone full of apps it cannot cope with, or a screen that has met the floor one time too many.
Most of these problems are avoidable. Below are ten common mistakes, why they cause trouble and what to do instead. You may recognise one or two. Everyone does.
1. Using poor-quality chargers and cables
Why it matters: Cheap unbranded chargers can deliver unstable power, overheat and stress the battery and charging port. Over time, the phone may charge slowly, heat up or fail to charge at all.
Do this instead: Use the original charger or a reputable replacement that matches your phone\’s rated output. Buy from a trusted seller, not a roadside stall where fakes are common.
2. Charging in the wrong way or at the wrong time
Why it matters: Charging while gaming, under a pillow or in direct sun increases heat. Heat is the quickest way to age a battery. Constantly draining to zero adds further wear.
Do this instead: Charge on a hard, open surface, avoid heavy use while plugged in, and top up before the battery gets critically low.
3. Leaving the phone in hot places
Why it matters: A phone left on a car dashboard, near a generator or in direct sunlight can overheat. Heat can shorten battery life, warp components and cause sudden shutdowns.
Do this instead: Keep it in the shade, remove the case if it feels hot and let it cool naturally. Never cool it in a fridge or freezer.
4. Installing suspicious or pirated apps
Why it matters: Modded apps, unofficial loan apps and fake banking apps may carry malware, steal data or lock your phone. In a country where mobile banking is part of daily life, the stakes are high.
Do this instead: Install only from official app stores, read reviews, check the publisher and refuse permissions that make no sense.
5. Ignoring storage warnings
Why it matters: When storage is almost full, the phone slows, apps crash, photos fail to save and updates cannot install. Some users then lose important files in a rushed factory reset.
Do this instead: Keep 10 to 15 percent of storage free. Delete old WhatsApp media, move photos to the cloud or a computer, and uninstall unused apps.
Most phone repairs begin as small habits repeated daily: a worn cable, a hot dashboard, a skipped backup.
Original editorial quote by the Layitek Editorial Team
6. Dropping the phone repeatedly and going without protection
Why it matters: A phone that survives one fall may still suffer hidden damage to the screen, frame or internal connectors. Repeated drops often lead to display faults weeks later.
Do this instead: Use a sturdy case and a tempered glass protector. Avoid carrying the phone loose in a bag with keys. Consider a lanyard or secure pocket on crowded buses.
7. Using the phone near moisture or with wet hands
Why it matters: Rain, sweat, bathroom steam and spills can enter ports and speaker openings. Water-resistance ratings can weaken with age and do not guarantee protection.
Do this instead: Keep the phone dry. If it gets wet, switch it off, dry it in open air and avoid charging until you are sure it is dry. Seek professional help if problems persist.
8. Ignoring software updates
Why it matters: Updates repair bugs, improve battery use and fix security weaknesses. Skipping them for months leaves old gaps open for scammers and malicious apps.
Do this instead: Update when you can, preferably on Wi-Fi or when you have spare data. If your phone no longer receives updates, be extra careful about the apps and links you open.
Join the Conversation
Be honest: which of these mistakes have you made? Tell us in the comments, because no one is judging. If you think a friend would benefit from this list, share it with them.
9. Overloading the phone with unnecessary apps and weak security habits
Why it matters: Dozens of apps running in the background drain the battery and slow the phone. Weak passwords, shared PINs and no screen lock make theft and fraud easier.
Do this instead: Remove apps you no longer use, restrict background activity, use a strong screen lock, enable two-factor authentication and never share OTPs or PINs with anyone, including people who claim to be from your bank.
10. Neglecting backups and using damaged cables
Why it matters: A dead, stolen or lost phone means lost contacts, photos and chats if nothing was saved. Damaged cables can also short-circuit or damage the port.
Do this instead: Back up your phone monthly at least, and replace any cable with exposed wires or loose connectors straight away.
What To Do If the Damage Is Already Done
- Swollen battery: stop using and charging the phone. Take it to a reputable technician.
- Water damage: switch off, dry in open air and avoid charging until you are sure it is dry.
- Slow phone: clear storage, remove unused apps and update the software. If nothing improves, a technician can check the battery and storage health.
- Suspected malware or scam: change your passwords from a safe device, contact your bank if financial details may be affected and consider a factory reset after backing up.
- Cracked screen: replace sooner rather than later. A cracked display can worsen and let dust or moisture inside.
When you choose a repairer, ask what part will be replaced, whether it is original or a compatible alternative and what warranty they offer. A technician who explains clearly is usually more trustworthy than one who rushes you.
Simple Habits That Prevent Most of These Problems
- Buy a reliable charger and replace damaged cables.
- Fit a case and screen protector.
- Keep the phone cool and dry.
- Keep storage under control.
- Update, back up and use strong security.
- See a professional early when something feels wrong.
Conclusion
None of these ten mistakes is a sign of carelessness. They are normal habits that have simply been normalised. But they can be corrected cheaply. A good charger, a case, a backup and a little attention to heat and storage can add years to a phone\’s useful life.
Pick one mistake from this list and fix it today.
Have a Question?
Do you have a phone problem you cannot quite explain? Send us your question and our team will help you understand what may be happening and what to do next.
Need help choosing, setting up or maintaining your smartphone? Contact our team for professional assistance.
Suggested Related Articles
- how to extend the life of your smartphone (see: How to Extend the Life of Your Smartphone in Nigeria: Practical Usage and Maintenance Tips)
- common SIM registration problems and solutions (see: SIM Registration Problems in Nigeria: Common Issues, Causes and Practical Solutions)
- how to maintain your laptop (see: How to Maintain Your Laptop and Make It Last Longer: A Practical Guide for Nigerians)