
iPhone 8: died in the cold
A client from Astana said the phone kept shutting down outside in freezing weather even with charge showing. We replaced the battery and checked capacity and charging — the device now holds charge and runs steadily.
iPhone 8 dies before evening — in 25 minutes we'll fit a new battery and show you the part in its factory packaging.

The charge melts by lunch, the phone cuts out in the cold and the screen has lifted: the battery is asking for a replacement.
The phone used to last all day, but now it begs for a socket by lunch even without games or video.
In frost the screen goes dark at a charge that still looks decent, and on a charger everything works again.
Apps open with a delay, and in Settings iOS warns that performance is reduced because of wear.
A swollen battery pushes on the display: a gap shows at the edges and the glass bows outward.
The cost of the iPhone 8 battery swap is in the table, and you pick the part together with the technician.
| 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 sum depends on the chosen part and on the condition of the phone, which the technician assesses at inspection.
The swap follows a set order: health check, opening the screen, cutting power, fitting the new battery and a test.
We read battery wear in Settings, look for swelling and confirm that the fast drain really comes from the cell.
We warm the edge adhesive and lift the display carefully without harming cables or glass.
We remove the protective bracket and unplug the battery connector to rule out a short.
We release the adhesive tabs without bending or piercing the cell, especially if it is swollen.
The fresh cell is fixed in place, its cable connected, and the bracket and display put back.
We check charging, behaviour under load and calibration, then hand the phone over with a warranty.
A battery for this model is original or aftermarket, and they differ noticeably in capacity, lifespan and behaviour.


Before changing the battery we make sure it really is the cause, and we open the phone without hurrying or forcing anything.
Eleven years of Apple repair help us see quickly whether the battery or another part is at fault, and change nothing extra.
The installed battery and the work carry a warranty up to 1 year, so come back with any question without arguments.
The display is lifted by experienced technicians who know how to warm the adhesive and not tear the cables.
We explain the difference between original and aftermarket, so you pay only for what you really need.
If the phone drains because of another fault, we say so at once and will not change the battery for nothing.
We receive visitors on weekdays from 10:00 to 19:00 and on Saturday, Sunday and holidays from 11:00 to 18:00.

A client from Astana said the phone kept shutting down outside in freezing weather even with charge showing. We replaced the battery and checked capacity and charging — the device now holds charge and runs steadily.
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: Bakmukhammed S.
Photo: Galymzhan S.
Photo: Zhandos Sh.
Photo: Darkhan T.
Photo: Kudiret S.We swap a cracked display while the phone is already open.
02We clear dust from the meshes so sound is clean again.
03We fix the lower flex if the cable holds badly.
04We restore a crisp click after a drop or moisture.
05We fit new glass if the back is cracked.
06We test power circuits if a new battery did not fix the problem.

“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 Astana with a 25 Minute Swap
For iPhone 8 battery replacement in Astana, iServices swaps the cell in about 25 minutes while you wait, using an original part or an aftermarket one you pick. We fix the price, part, turnaround and warranty on the receipt before work starts, then check 32 functions with you.
The iPhone 8 has a Battery Health menu, so wear is measurable rather than a guess. Here is what the numbers and the everyday symptoms actually mean before you book an iPhone 8 battery replacement in Astana.
Maximum Capacity under Settings shows how much charge the battery still holds, and a reading in the high 70s paired with shutdowns means the pack is worn, not that the handset is broken. The same screen lists cycle count and a Peak Performance Capability line; once the phone has throttled itself to prevent an unexpected power-off, that line reports that performance management has been applied. A message about service simply flags that the battery no longer meets the original specification. Capacity alone is not the trigger, though — check whether the device dies at 20–30 % or slows under load, because those symptoms matter more than the percentage on the display.
Two battery options fit an iPhone 8, and the decision shapes menu diagnostics, coverage terms and how the handset behaves day to day. Here is how the two options differ.
| Option | What the Battery Health menu shows | Warranty |
|---|---|---|
| Original part | Full maximum capacity, no warnings | Up to 1 year |
| Aftermarket part | Maximum capacity may be limited | 6 months |
| Customer split | 64% choose the original | Same terms for both |
The Unknown Part message and blank maximum capacity field belong to iPhone XR, XS and 11, so an iPhone 8 does not display that notice after an aftermarket swap. On those newer models the battery controller (BMS) is paired to the logic board, and a pack that was not matched to it triggers a warning in Settings plus an empty capacity figure. The iPhone 8 came out before that pairing existed, so its software keeps reporting the figure and never marks the component as unrecognised. Technicians who work on both generations notice the gap immediately. That difference is why an older handset is a safer candidate for a budget pack — the software does not penalise the decision the way newer models do, and the owner sees a working menu instead of a warning banner.
The whole visit is short and predictable; here is each step from a WhatsApp photo to the moment you walk out with the device.
A technician replies on WhatsApp within 5 minutes and quotes a price from a photo, then fixes the price, part, turnaround and warranty on the receipt before work starts. You pick between an original battery and an aftermarket one, and the new component arrives in factory packaging that we open in front of you before installation. Signing takes about 2 minutes, and the specialist walks you through each line so nothing stays vague. Getting those four points on paper beforehand is what protects you if anything about the component or timing is disputed later. The receipt also records which battery you chose, so there is no confusion at handover about whether the part is original or aftermarket. Keep that copy until the coverage period ends — it is the document we refer to if you ever come back with a question about the work.
A battery swap touches more than the power source, so the handover matters as much as the repair itself; here is what we test and what you get back.
After the job we check 32 functions in about 10 minutes, covering True Tone, cameras, microphones, speakers, charging and network, and you run through them with the engineer. The display module comes off during the work, so True Tone is the first thing we confirm, then wireless charging on a test pad, since the coil sits directly under the fresh component. We hand you the device and walk you through each item rather than reading results off a screen — that is where most doubts come up. Testing together means you see the result before you leave, rather than discovering a problem at home the next morning.
A battery swap does not touch your data, the body is resealed after opening, and you leave with the receipt, warranty card and the old component. The handset stays powered down during the work, so photos, messages and accounts remain exactly where they were, and no backup is required before you arrive. We replace the display adhesive along the frame, which keeps dust out and preserves the factory water resistance as far as an opened device allows. Coverage runs up to 1 year and protects the fresh unit itself. Keeping the old part is useful proof the new one went in, so store it with the warranty card until that period ends.
Not every dead unit needs a new battery, and a proper diagnosis saves you from paying for the wrong part; here is how we tell the causes apart.
Free diagnostics take 15 minutes in front of you, and the engineer uses a USB current tester to separate a worn battery from a failing port or a board fault before any part is ordered. A tired battery shows a low current draw and drops sharply under load, while a damaged charging socket pulls almost nothing or connects only at a certain angle. When the power controller on the logic board is at fault, the handset may boot on a charger but die the moment you unplug it. We run the same check on units where a fresh battery was fitted elsewhere and the gadget still shuts down. If it charges only at an angle or not at all, the connector is the usual suspect, so a swap alone would not fix it.
A short recap of what decides a sound battery service, so you can judge any option on the market with the same checklist.
Did not find an answer? Message us on WhatsApp: an engineer replies, not a bot.
Ask a questionThis message means iOS considers the battery significantly worn. The iPhone 8 may then slow down or switch off under load. A new battery removes the message and restores normal behaviour.
A worn cell cannot hold voltage in the cold, so the phone shuts down before reaching zero. With a new battery the iPhone 8 behaves much better in frost. Still keep it in an inner pocket on very cold days.
Depending on the iOS version and the part, the phone may show a message that the battery cannot be verified. It does not stop the battery from working, though the health figure may not be displayed. Ask the engineer which option shows full information.
Yes, if the slowdown came from iOS throttling a worn battery. After the swap the processor runs at full speed again. If the phone stays slow, the cause is software or storage.
Yes, the iPhone 8 supports fast charging through a USB-C Power Delivery adapter and a USB-C to Lightning cable. A new battery charges with the same feature. Wireless charging also keeps working.
No special breaking-in is needed. Avoid heat, long hours on charge in a hot car and frequent deep discharges. Optimised Battery Charging in Settings helps slow down wear.
Most often it is a swollen battery: the expanding cell lifts the display and can break the screen cable or the glass. If you see a gap between the screen and the frame, stop charging the phone. Bring it in, and the battery is removed carefully.
Приехал с iPhone 8, как есть. Проблема — выключается на холоде. Бақмухаммед С. принял без вопросов, хотя был без записи. Перезвонили на следующий день, уточнили детали. Функционирует, тьфу-тьфу)
Проблема — выключается на холоде. Бақмухаммед С. провозился, но сделал. Пользуюсь и вспоминаю добрым словом
Работаю рядом, заехал в обед. Не ожидал, что придётся искать сервис по Apple. Проблема — заряд падает с 40 процентов. Сказали, что перезвонят, и правда перезвонили. Внутри оказалас: аккумулятор. Функционирует, тьфу-тьфу
Бақмухаммед С. посмотрел и честно сказал: менять не надо. Про i service узнал от коллеги из офиса. Функционирует, тьфу-тьфу.

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