In Rawai, the sea never has to touch your phone to ruin it.

This is not a holiday-emergency page. If you live down here — Rawai, Nai Harn, Yanui, the lanes behind the seafront — your iPhone has spent months breathing salt air, riding in longtails, sitting in a bag on a fishing boat and charging in a humid open-air kitchen. It will not die in one dramatic splash. It will die slowly, from the charging port inwards, and it will give you plenty of warning first.

Describe the symptom Price my model

Salt does not need a drop

Everyone who lives near the water understands what salt does to a scooter chain, a bike frame, an outboard, a set of door hinges. Very few people extend the same logic to the computer in their pocket — yet the mechanism is identical, and a phone spends its whole life closer to your body heat and the sea breeze than any of those things do.

Sea spray aerosolises. A morning in a longtail with the bow slapping chop does not need to soak your phone to leave a fine film of salt on it, and the same is true of a windy hour on the seafront or an afternoon on a fishing boat. That film settles into the speaker mesh and down the charging port, and Phuket's humidity keeps it permanently just damp enough to conduct. The result is a slow corrosion reaction running on your charging pins, month after month, with nobody having dropped anything at all.

Long-stay residents almost never walk in saying "it fell in the sea". They walk in saying "it has been getting weird". That is what boat-life wear looks like from the outside.

Read the symptom, find the cause

If you recognise your phone in the left column, the middle column is usually why — and the right column is what we put on the bench and check before anyone quotes you a thing.

What you notice	What it usually is	What we check on the bench
"Liquid detected" alert that never clears	Salt residue and lint bridging the port pins — conductivity, not a puddle	Under magnification: whether a clean clears it, or the port itself is finished
Only charges at a certain angle, or the cable falls out	Compacted pocket lint plus corroded, spread port contacts	Whether clearing the port restores a solid connection, or the contacts are spread
Callers say you sound muffled or distant	Salt and fine sand in the microphone and speaker mesh, corroded contacts	Clean or component swap — quoted after diagnosis
Dies at 30%, runs hot, sluggish since the last update	Heat and humidity age lithium cells far faster here than in Europe	Real capacity under load, not just the percentage Settings reports
Blotchy tint, or a dead touch strip along one edge	Moisture that crept under the display through tired adhesive	Whether moisture is under the display, and how far along the edge it has travelled
Random reboots, or it will not boot at all	Corrosion on the logic board — the endpoint of everything above	How far the corrosion has spread, and whether the board is worth saving at all

Look at the shape of that list. The small repairs sit at the top and the serious one sits at the bottom, and they are largely the same fault at different ages. The port clean you skip in March is the board rescue you pay for in November.

If it does go over the side

It happens — off the back of the boat, or out of a dry bag that turned out not to be. The short version: power it off, rinse it in fresh water, do not charge it, and bring it in within 12–24 hours. Around 80% recover inside that window. The full step-by-step emergency protocol lives on the water damage repair page rather than being repeated here, because an acute drowning is not the problem most Rawai residents actually have.

Four habits that genuinely work down here

None of these are hypothetical. They are the difference between the residents whose phones we see once a year for a battery and the ones who arrive with a green logic board.

Rinse it after a boat day, even if it never went in. Fresh water under the tap, then dry it properly. Salt that is only ever dried is salt that is being concentrated on your phone; salt that is rinsed is gone.
Never charge a damp port. Voltage plus salt residue is what actually destroys the charging circuit. If the port is even slightly wet, leave the phone until the evening, or use wireless charging if your model supports it.
Stop trusting IP68. The rating is lab-tested, in fresh water, on a brand-new device with perfect seals. Yours has been through several hot seasons, the adhesive has aged, and if the screen has ever been off it is not sealed to spec at all.
Do not leave it charging overnight in an open-air kitchen. Warm, humid, salty air plus hours sitting at 100% ages the battery and quietly corrodes the port at the same time.

The economics, honestly

We would rather see you once a year for a battery than once, at the end, for a board rescue you might not get back. Long-stay customers are not a one-off transaction, and there is nothing to gain by talking you into work you do not need: if the answer is a port clean rather than a new screen, that is what we will tell you. Every job is inspected first and then written down as one fixed number; if it is not worth it to you, you pay nothing and take the phone home. If the phone is genuinely finished, we will say so, and the conversation becomes getting the data off it rather than a repair bill. Screens, batteries and ports carry a 90-day warranty; corrosion and liquid work carries a 30-day diagnostic warranty, because a board that has been eaten once is never quite new again and we will not pretend otherwise.

The trip from Rawai

The workshop is in Patong: about 25–35 minutes by Grab or car, up Chao Fa West Road through Chalong Circle and then over Patong Hill. It is the same run from Nai Harn. Most residents drop the phone off, do whatever else Patong is good for, and collect the same day — screens and batteries are usually 30–60 minutes on the bench. Send us the model and the symptom before you set off so the part is waiting: one trip, not two. And if a corroded board needs to stay overnight, we will tell you before you leave rather than after.

Nearby pages: Chalong if a phone has just gone into the sea on a day-trip boat, Phuket Town for everyday device repair, and Kata for surf and sand damage.

Questions from people who live near the water

Yes, and it is the most under-appreciated fault we see in people who live near the water in Rawai. Sea spray aerosolises: it hangs in the air as fine salt particles, settles on and inside your phone through the speaker grilles and the charging port, and then Phuket's humidity keeps it permanently slightly damp. That is a corrosion cell running quietly on your charging pins for months. Nobody dropped anything, and yet the port is green when we open it.

That alert is triggered by conductivity across the pins, not by a puddle. Salt residue and compacted pocket lint conduct just enough to keep the warning up permanently. It is worth listening to: charging through a contaminated port accelerates the corrosion and can eventually take out the charging circuit on the board, which is a far bigger job. A port clean — or a replacement, if the port itself is genuinely finished — usually clears it for good, and you see the number before we do it.

If the phone has one fault, repair it. If it has three, think again. A new battery that gives a still-solid iPhone another two years is comfortably the best value repair we do, and it is a fraction of the cost of replacing a phone in Thailand. But if the battery is dying, the port is corroded and there is water history on the board, we will tell you honestly that you are pouring money into a phone that will keep coming back.

Three habits do most of the work. Rinse the phone in fresh water after a day of sea spray, even if it never went in, and dry it properly — rinsing removes salt that drying alone just concentrates. Never charge it while the port is even slightly damp; let it sit, or use wireless charging that evening if your phone supports it. And do not rely on the IP68 rating: those seals are lab-tested on a brand-new device, and yours has been through several Phuket hot seasons.

Power it off immediately, rinse it in fresh water, do not charge it, and get it to us within 12–24 hours — around 80% of devices recover in that window. That is the emergency route, and it is set out step by step on our water damage repair page. Board-level saltwater work is quoted once the phone is open and we can see the corrosion, and it carries a 30-day diagnostic warranty.

About 25–35 minutes: up Chao Fa West Road through Chalong Circle, then over Patong Hill. Most residents drop the device off, deal with whatever else needs doing in Patong, and collect it the same day — screens and batteries are typically 30–60 minutes on the bench. If we need to keep a corroded board overnight we will tell you before you leave, so nobody makes the trip twice. All repairs carry a 90-day warranty.