
iPhone 8: dying by evening
A client from Almaty complained that the iPhone 8 was running out of battery by evening even with moderate use. We replaced the battery, checked its capacity and charging — the phone now holds a charge all day.
Your iPhone 8 dies by midday — we'll replace the battery in 25 minutes and keep your data intact.




A battery warns you early: the charge drains outdoors, the wireless pad runs hot, the interface stutters and the glass starts to lift.
In the cold the charge vanishes within minutes, then at home the phone shows a decent figure again.
The back gets warmer than it used to and the percentage barely climbs: the cell accepts current poorly.
Animations jerk and the keyboard appears late as the system caps power to protect the battery.
A gap has opened around the display or the back bulges a little, a worrying sign of swelling.
The table lists the technician's labor cost, and the final total depends on the battery you choose.
| Service | Original | Aftermarket |
|---|---|---|
| Battery replacement | 27 900 ₸ | 15 900 ₸ |
| Charging port replacement | 22 900 ₸ | 13 900 ₸ |
| Display replacement | 32 900 ₸ | 22 900 ₸ |
| Back glass replacement | 34 900 ₸ | 21 900 ₸ |
| Housing replacement | 58 900 ₸ | 32 900 ₸ |
| Camera glass replacement | 19 900 ₸ | 10 900 ₸ |
| Main camera replacement | 49 900 ₸ | 27 900 ₸ |
| Front camera replacement | 31 900 ₸ | 17 900 ₸ |
| Home button replacement | 42 900 ₸ | 25 900 ₸ |
| Earpiece speaker replacement | 26 900 ₸ | 15 900 ₸ |
| Speaker replacement | 26 900 ₸ | 15 900 ₸ |
| Microphone replacement | 26 900 ₸ | 15 900 ₸ |
| Button replacement | 26 900 ₸ | 15 900 ₸ |
| Vibration motor replacement | 22 900 ₸ | 13 900 ₸ |
| Proximity sensor replacement | 24 900 ₸ | 14 900 ₸ |
| Other repairs | Price | |
| Power controller replacementboard-level chip · microsoldering | 23 900 ₸with parts | |
| Water damage cleaningcorrosion cleaning · diagnostics up to 2 days | 17 900 ₸per job | |
| Logic board repairmicrosoldering · 1–3 days | 60 900 ₸per job | |
| Touch ID repairpaired to the board — no aftermarket | 21 900 ₸per job | |
| Wi-Fi module repairwireless module · board-level repair | 28 900 ₸with parts | |
| Storage replacement and upgradememory chip installation | 44 900 ₸with parts | |
| Firmware flashingsoftware restore, no parts replaced | 10 900 ₸per job | |
| Modem repairboard-level chip · microsoldering | 33 900 ₸with parts | |
The technician states the final amount after inspecting the device and choosing the part.
The battery swap follows an order: a chat and inspection, opening the display, swapping the cell, glueing it shut and checking every part.

We ask when the phone drains and examine the glass, the frame and the port.

The adhesive around the edge is warmed, the module is lifted with a suction cup and propped at a slight angle.

Shield plates over the connectors come off, and power to the old cell is cut first of all.

Adhesive strips are pulled, the battery is lifted out and the new one is set in the prepared spot.

Cables are reconnected, plates return, and the display is bonded to fresh tape and pressed.

We test wired and wireless charging, sound, touch, cameras and sensors.
The phone comes back tested, with clear tips on how to charge it.
Price for my modelAn original and an aftermarket cell differ in capacity, reaction to heat and calm system messages.


Before replacing anything we confirm what is draining the phone and let you choose the part freely, with hours that suit working people.
We have repaired Apple devices for eleven years, so glass backs and wireless-charging coils are familiar ground.
The completed work carries a warranty up to 1 year, so you can return with battery questions.
Experienced technicians open the body, since glass and adhesive strips call for exact movements and patience.
We describe both versions of the part and leave the decision to you, never pushing the costly option.
If the board rather than the cell causes the drain, the technician explains and proposes a fitting repair.
We receive phones on weekdays 10:00–19:00 and on weekends and holidays 11:00–18:00.

A client from Almaty complained that the iPhone 8 was running out of battery by evening even with moderate use. We replaced the battery, checked its capacity and charging — the phone now holds a charge all day.
The whole journey — from message to finished phone. We give you the old part.
Book a replacementYou message us on WhatsApp with the model and what happened — we give you the price and time. Or you come in without an appointment.
We check the battery capacity and cycle count, inspect the charging port and controller: sometimes the battery isn't the culprit.
We note the model, the part (original or aftermarket), the price, the timeframe, and the warranty.
We open the factory packaging in front of you and check the number against the receipt.
We remove the old battery, install a new one and seal the case with new water-resistant adhesive.
Charging, capacity in Settings, operation under load. You take the phone, the receipt and the old battery.
Technicians for iPhone, Mac, iPad, Apple Watch and AirPods repair.
Photo: Mukhpilov Nail
Photo: Gamid K
Photo: Arman A
Photo: Molchanov Rinat
Photo: Shokan A
Photo: Sybanbaev Birzhan
Photo: Denis Gushchin
Photo: Duisebaev AzhdarWe fit a new display module when the glass is cracked, spotted or deaf to touch.
02Cracks on the glass back are removed after judging the frame and the charging coil.
03We clean the meshes and change parts if sound is muffled or callers hear you poorly.
04We replace the port cable when the plug will not hold or charging drops out.
05Blurry photos and focus glitches are cured with a new module or lens cover.
06We test and replace the button module if its response is weak or it stops clicking.

“If the repair didn’t suit you or you have a complaint, write to me personally.”
Send a photo of the screen and the iPhone model. An engineer will reply on WhatsApp, give the price and today's available time.
iPhone 8 Battery Replacement in Almaty Done While You Wait
At iServices in Almaty, an iPhone 8 battery replacement takes about 25 minutes and is done while you wait. We fit an original or aftermarket battery of your choice, fix the part, turnaround and warranty up to 1 year on the receipt before work starts, then check 32 functions together with you.
iPhone 8 has a Battery Health menu, and it is the fastest way to see whether the cell is worn. Below is what the numbers mean and which symptoms matter more than the percentage.
Maximum Capacity in Settings shows how much energy the pack still holds against a new one, and a reading in the low 80s paired with a service message means it is past its useful life. On this model the menu also lists Cycle Count, so a unit with 900–1000 cycles and 79 % capacity has clearly done its work. Below 80 % iOS starts throttling the processor to prevent unexpected shutdowns, which is why a handset at that level feels slower in apps and games. A high percentage on an older unit can still hide sudden power-offs under load, so judge by behaviour on cold mornings and at low levels, not by the number alone.
iPhone 8 predates the pairing warnings that hit XR and newer models, so both options behave predictably here. The choice comes down to how long you plan to keep the device.
| Option | What you get | Best for |
|---|---|---|
| Original battery | Factory cell, full readings, longest service life | Keeping the device for years |
| Aftermarket battery | Lower cost, correct readings on iPhone 8, shorter lifespan | A spare or secondary handset |
| Either option | Receipt with the component and warranty fixed before work | Any repair |
The unknown part warning and hidden Battery Health percentage appear on iPhone XR, XS and 11, not on iPhone 8, so a fresh battery here reports capacity normally. Those later models run a pairing check between the battery controller and the logic board, and a mismatched serial triggers the Important Battery Message along with a dash where the percentage should be. The iPhone 8 has no such handshake, so the fuel gauge simply reads the new power unit and shows a clean figure from the first boot. That is also why a used iPhone 8 with a fresh battery is easy to verify — open Battery Health and check the reading matches the component you paid for.
The whole visit usually takes under an hour, and most of it is the repair itself. Here is each step from your opening message to the moment you walk out with the phone.
The battery swap itself takes about 25 minutes, and 72% of our repairs are finished while the customer waits in the waiting area with coffee and Wi-Fi. This is how the iPhone 8 battery replacement in Almaty works from the inside: the cell sits under two adhesive strips, so the technician heats the frame, lifts the old pack without bending it and reseats the connector before the new one goes in. Our warranty runs up to 1 year, and the whole process from initial contact to pickup usually stays within the hour — a courier across the city adds about 90 minutes and comes free with a repair. Hand the phone in on your lunch break and collect it the same day. Keep the old cell you are given back: it is the simplest proof that a fresh battery actually went in.
A battery sits under the display, so the screen, sensors and power input all have to be re-tested once the handset is closed. We do this with you at the counter, not in a back room.
After the repair we run a 32-function check in about 10 minutes, covering True Tone, cameras, microphones, speakers, power delivery and network, and you watch each one with the engineer. The list is longer than it sounds: the front and rear shooters are opened in turn, both speakers play a test signal, the microphone records a short clip, and wireless top-up is confirmed on a pad. True Tone is re-checked once, because the display settings sit close to the battery connector. True Tone and the front lens are the two things most likely to be missed when a display is clipped back on, so test them yourself before you leave the counter.
Your data stays untouched because only the battery is swapped, the iPhone 8 gets a fresh adhesive gasket when it is closed, and the warranty runs up to 1 year. No restore, no factory reset, no account sign-out — photos, messages and apps are exactly where you left them, which matters on a device that has been in use for years. That seal is the same type used in production, pressed evenly around the frame rather than spotted in a few places. The new strip restores splash resistance but not the original seal, so keep the handset away from running water even after a careful reassembly.
Not every dead iPhone needs a new power cell. A quick check separates a worn battery from a tired port or a board fault before you pay for the wrong part.
A swollen cell pushes the display up from inside, and we treat it as urgent — stop charging the device and do not press on the screen before you bring it in. The display module sits directly on top of the pack, so pressure from below lifts the glass at the edges and can crack the panel or damage the frame clips. Heat during charging makes the swelling worse, which is why we ask you to unplug the phone and keep it away from warm surfaces. Over the years we have opened plenty of iPhone 8 units with this exact issue, and the fix is always the same: open the device, remove the pack and fit a fresh one. Puncturing or bending a swollen lithium unit can start a fire, so carry the phone loosely and skip the pocket until an engineer has opened it.
Five points summarise what decides the outcome of an iPhone 8 battery replacement — from the first warning sign to the final check at the counter.
Did not find an answer? Message us on WhatsApp: an engineer replies, not a bot.
Ask a questionYes, True Tone depends on the display and its sensor, and the battery replacement does not change them. Check that it switches on in Control Centre when you collect the iPhone 8.
Yes, these are separate jobs, and both can be done while the iPhone 8 is in the workshop. Mention both when you send a photo, so the parts are ready.
Yes, fast charging is managed by the iPhone 8 itself rather than by the cell. Plug it into a USB-C power adapter through a USB-C to Lightning cable and the replacement battery fills up just as quickly as the factory one did.
Not to the factory level: the original seal is broken when the screen is opened, so a new adhesive gasket is fitted before closing. It guards against splashes, but keep the iPhone 8 away from swimming and showers afterwards.
Yes, as long as the Home button cable is not damaged during opening. The screen is lifted carefully, and Touch ID is checked together with you at pickup.
The charging port, the speakers and the adhesive seal are worth a look. If the Lightning port is dirty or loose, it can be cleaned or replaced in the same visit.
Проблема была такая: заряд держался буквально полдня — и непонятно что делать. По результатам диагностики проверили аккумулятор и восстановили нормальное время работы.
С iPhone 15 Pro вышла неприятность: заряд держался буквально полдня. В итоге проверили аккумулятор и восстановили нармальное время работы.
S iPhone 8 Plus vyshla nepriyatnost: zaryad derzhalsya bukvalno poldnya. V itoge proverili akkumulyator i vosstanovili narmalnoe vremya raboty.
Батарея на айфоне совсем износилась, телефон выключался на холоде даже при тридцати процентах заряда. Заменили аккумулятор на новый оригинальный буквально за полчаса. Теперь заряд держит отлично весь день, очень доволен.

The difference is not always visible, but it can be checked. An original panel is the one the manufacturer installs; an aftermarket copy costs about 35% less.

What “maximum capacity” means, why the phone shuts down in the cold, and how long a new battery lasts.

Power it off, skip the rice, and get the board checked before corrosion starts. Here is the short version of the first 30 minutes.

Most charging faults come from the cable, the port or the battery. Here is how to find the cause and get a free check in Almaty.