iPhone guides · Singapore
The most common iPhone problems in 2026 — what they mean and how to fix them
After years on the bench you see the same faults come through the door again and again. The reassuring part is that most iPhone problems are ordinary, fixable, and cheaper to sort than people fear, as long as you read the symptom correctly and do not make it worse first.
On this page
- Read the symptom before you reach for a fix
- Cracked, black or ghost-touching screens
- Battery drain, sudden shutdowns and swelling
- Won't charge, or charges only sometimes
- No sound, muffled calls and speaker faults
- Water and liquid damage
- Stuck on the Apple logo and boot loops
- DIY versus repair — and what it costs
Read the symptom before you reach for a fix
The most useful habit with any iPhone fault is to ask what the symptom is telling you. A phone that will not charge could be a lint-clogged port, a frayed cable, a tired battery, or a charging chip on the board: four jobs at four prices. Guessing wastes money; reading it saves money. That is what a free walk-in iPhone diagnosis is for, and it costs nothing to confirm which it is first.
Broadly, every iPhone complaint falls into one of two families. The first is wear and accidents: a dropped screen, an ageing battery, a worn port, all predictable, priced in bands, and usually turned around the same day. The second is board-level faults: no power, a persistent boot loop, corrosion from a spill, where the phone needs opening under a microscope. The first family is far more common, and cheaper. We walk through them below, most frequent first.
Cracked, black or ghost-touching screens
Nothing arrives more often than a broken display. Singapore's tiled HDB floors and MRT platforms are unforgiving, and a phone that slips face-down rarely walks away clean. Screen faults show up in a few ways:
- A cracked but working screen. Cosmetic today, but cracks let in dust and humidity that reach the display layers and touch circuitry beneath. A hairline crack often becomes black blotches or dead touch within weeks, so fix it early.
- A black or half-lit display with the phone still running. If it still rings, vibrates and backs up, the panel has failed but the board and your data are fine. An iPhone screen replacement restores it fully.
- Ghost-touch — the screen tapping itself. Usually a failing digitiser or a poor-quality panel fitted previously. Have it looked at, since a self-typing phone can lock you out.
One honest warning: not all replacement panels are equal. A cut-price aftermarket display can look fine on day one and then lose True Tone, dim unevenly, or develop touch lag. We fit quality panels and put the price band in writing before we start, the same way we approach every iPhone repair here.
Battery drain, sudden shutdowns and swelling
Batteries are the second-most-common reason a phone comes in, and they wear out on a schedule. Every lithium cell degrades with each charge cycle, and after two to three years most iPhones no longer hold a comfortable day's charge. Check under Settings → Battery → Battery Health & Charging: once Maximum Capacity drops much below 80%, or you see the "Service" note, the cell is on its way out.
The tell-tale signs that it is the battery and not something else:
- The phone dies at 30% or 40%, or shuts down suddenly in cool air, a sign the cell can no longer deliver peak current.
- It feels sluggish and stutters, because iOS throttles a weak battery.
- The screen or back is lifting. A swelling battery pushes the phone apart. Stop using it, do not puncture or bend it, and bring it in promptly.
A fresh cell is one of the most satisfying fixes there is: the phone that felt ready for the bin lasts all day again. An iPhone battery replacement is quick, affordable and, on an otherwise sound phone, far smarter than replacing the whole device.
Not sure whether it is the battery or the board? A shutdown at 40% is usually the cell; a phone that dies and will not switch back on can be a charging or power fault. A free diagnosis settles it in minutes, before you pay for the wrong part.
Won't charge, or charges only sometimes
"My iPhone won't charge" is one of the most misread complaints, because the cause sits anywhere along the chain from the wall to the board. Work through it cheapest first:
- Try a different cable and adapter. Frayed Lightning and USB-C cables are the most common culprit, and fail long before they look broken.
- Clean the port. Pocket lint compacts into a hard plug at the bottom of the port. Power the phone off and gently ease it out with a wooden or plastic toothpick, never metal. This alone fixes it surprisingly often.
- Restart the phone. A software hang can stop charging; a force restart clears it.
If it still refuses to charge, or only charges at a certain angle or when you press the cable, the fault is in the hardware: usually a worn charging port, or a charging chip on the logic board. A worn connector is a straightforward iPhone charging port repair; a power-management fault is diagnosed under the microscope as an iPhone motherboard repair. We identify which before quoting, so you are never charged for a board repair when a S$100 port would have done.
No sound, muffled calls and speaker faults
When the sound goes, rule out the simple stuff first, because a good half of "no sound" cases are not hardware at all:
- Check the obvious. Silent switch off, volume up, Bluetooth disconnected from a forgotten speaker or car, and Do Not Disturb off.
- Clear the speaker grilles. The earpiece and bottom speaker mesh clog with dust and pocket fluff, muffling everything. A soft dry brush lifts it out.
- Restart, then check for a stuck "headphone mode", where the phone thinks earphones are plugged in, usually debris or moisture in the port.
If callers still cannot hear you, or the speaker crackles or stays silent after all that, it is a hardware fault: a failed speaker module, a torn earpiece, or a dead microphone. These are common, self-contained repairs in the low hundreds. Water is a frequent hidden cause too: a splash that seemed harmless can corrode a speaker or mic weeks later, which brings us to the next section.
One symptom, four possible causes? Let us read it first.
Tell us the model and what it is doing, and you will get an honest read on the likely fault and the price band before anything is opened. Walk-in diagnosis is free.
Water and liquid damage
Modern iPhones carry a water-resistance rating, but that seal weakens with age and every drop, so a dunk in the pool, the sink or a monsoon downpour is still serious. The mistake that costs people their device is treating it casually. Two rules matter most:
- Do not put it in rice. Rice does nothing for the water already sealed inside, and every hour it sits in the bag, corrosion spreads further across the board.
- Do not charge it, and switch it off. Power plus moisture is what causes short circuits. Turn it off, dry the outside, and get it to a workshop the same day.
Why the urgency? Liquid damage is really corrosion damage, and corrosion is a clock. The professional fix is to open the phone, clean the board ultrasonically, neutralise the corrosion and replace anything the liquid has eaten, and a phone brought in within hours recovers far more often than one left a week. Our iPhone water damage repair is where to start, and if data is the worry, read our guide on recovering data from an iPhone first.
Stuck on the Apple logo and boot loops
Few things unsettle people more than a phone that lights up, shows the Apple logo, then goes dark and tries again, over and over. A boot loop does not mean your data is gone, and there is a simple sequence worth trying before you assume the worst:
- Force restart. Quickly press and release Volume Up, then Volume Down, then hold the Side button until the logo reappears. A one-off software hang often clears here.
- Update via a computer. Connect to a Mac (Finder) or Windows (Apple Devices app), enter recovery mode, and choose Update, which reinstalls iOS without erasing your data. Choose Restore only as a last resort, because it wipes the phone.
If the loop survives all that, the cause is usually hardware: a failing battery that browns out on boot, a charging or power fault, or a cracked solder joint. At that point it needs a technician, and forcing repeated restarts on a sick board can make things worse. This is diagnosed as an iPhone board-level repair, and because these faults vary widely they are quoted only after we have seen inside. As always, if we cannot fix it you do not pay a repair fee.
DIY versus repair — and what it costs
Where is the line between what you should try at home and what belongs on a bench? Our rule is simple: software is fair game, hardware usually is not. Restarting, updating iOS, cleaning a port with a toothpick, brushing out a speaker grille, checking Battery Health: all sensible, all free. Opening the phone is a different matter: today's iPhones are glued shut and full of fragile, board-paired parts, and a slipped tool on a battery or a Face ID flex can turn a small job into a big one.
On price, we never invent exact figures, but the bands are steady: a battery is usually the cheapest fix, from around S$80–S$120; a screen from around S$120 depending on the panel; charging-port and speaker work sits in the low hundreds; water damage and board faults are quoted only after diagnosis. For the full picture, our iPhone repair cost guide for Singapore lays out the ranges by model. Whatever the fault, the promises hold on every job: a free walk-in diagnosis, a written quote before a screw turns, component-level repair over parts-swapping, a written warranty, and no repair fee if we cannot fix it.
Questions we get every week
Frequently asked questions
What are the most common iPhone problems?
By a wide margin it is cracked and unresponsive screens, followed by battery faults — short runtime, sudden shutdowns and swelling. After those come charging problems, no sound from the speaker or microphone, liquid damage, and the dreaded boot loop where the phone is stuck on the Apple logo. Most of these are everyday, fixable faults; only a handful point to a board-level problem that needs a technician.
Should I try to fix my iPhone myself?
For software steps — a force restart, updating iOS, cleaning a charging port with a wooden toothpick — absolutely, and we will happily talk you through them. For opening the phone, we would gently say no. Modern iPhones are glued, sealed and packed with fragile ribbon cables and paired parts, and a slipped screwdriver on a battery or a Face ID flex can turn a S$150 job into a much larger one. Free diagnosis means it costs nothing to have it looked at first.
Is a cracked iPhone screen worth repairing?
Almost always yes. A screen replacement costs a fraction of a new phone, and the rest of the device — your storage, battery and board — is usually perfectly good. Fixing a crack early also stops moisture and dust reaching the display layers and the touch circuitry underneath, which is what turns a cosmetic line into black patches and ghost-touch. We quote the exact band in writing before any work starts.
Does putting a wet iPhone in rice work?
No — it is the myth that costs people their phones. Rice does nothing for the water already inside, and while it sits in the bag corrosion keeps spreading across the board. The right first moves are to power the phone off, do not charge it, and bring it in the same day so the board can be opened and properly cleaned before the damage sets. Time, not rice, is what saves a water-damaged iPhone.
How much do common iPhone repairs cost in Singapore?
It depends on the model and the fault, but as a guide a battery replacement starts from around S$80–S$120, a screen replacement from around S$120 depending on the panel, and charging-port or speaker work sits in the low hundreds. Water damage and board-level faults are quoted only after diagnosis because no two are alike. You always get a written price band before we start, and if we cannot fix it you do not pay a repair fee.
Keep reading
Related guides
iPhone screen replacement in Singapore
Cracked, black or ghost-touching — how screen repair works and why it beats a new phone.
iPhone battery replacement
The signs a battery is done, and how a fresh cell brings an old phone back to life.
iPhone repair cost guide, Singapore
Honest price bands for every common iPhone fault, model by model.
Get a written quote before a screw turns
Component-level diagnostics, a fixed price in writing, and no repair fee if we cannot fix it. Walk in Mon–Fri, or WhatsApp the workshop.