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Mobile & laptop repair Help Center

Honest, practical repair guides written by our technicians in Kota, costs, common problems and how to get more life from your phone, tablet and laptop. 100 guides and growing.

कोटा के टेक्नीशियन द्वारा लिखी गई फ्री रिपेयर गाइड्स।

All Screen & DisplayBattery & ChargingWater & Physical DamageMotherboard & Chip-LevelCamera, Speaker & MicSoftware & DataBrand Repair GuidesTablets & LaptopsNetwork, SIM & ConnectivityBuying & Phone Care

Screen & Display

12 guides
Technician fitting a new smartphone display, Prince Mobile Service Center Kota

Mobile Screen Replacement Cost in Kota (2026 Price Guide)

Screen replacement costs in Kota vary widely by brand and part quality. Here is what you should expect to pay in 2026.

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Smartphones with cracked screens on a repair table

Cracked Screen But Phone Still Works: Repair Now or Wait?

A cracked screen that still works may feel fine today, but waiting can cause bigger problems. Here is an honest look at when to repair and when you can wait.

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Phone with shattered front glass held in hand

Touch Not Working After Screen Replacement: Causes and Fixes

If your touch is not working after a screen replacement, it is almost always fixable. Here are the real causes and what to check before assuming the worst.

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iPhone with a cracked screen

AMOLED vs LCD Replacement: Which Should You Choose?

Should you replace your AMOLED screen with another AMOLED, or is an LCD swap acceptable? The answer depends on your phone, your budget, and how you use it.

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Technician fitting a new smartphone display

Original vs Duplicate Mobile Screens Explained

Original, OEM, compatible, and copy screens all mean different things and have different prices. Here is what you actually need to know before getting your screen replaced.

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Smartphones with cracked screens on a repair table

Why Your Phone Screen Flickers (and How to Fix It)

Screen flickering can be a simple settings issue or a sign of a failing display. Here is how to tell the difference and what to do next.

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Phone with shattered front glass held in hand

Green or Pink Line on Phone Screen: What It Means

A green or pink line on your phone screen is almost always a sign of AMOLED display damage. Here is what causes it and what your options are.

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iPhone with a cracked screen

Black Screen but Phone Still On: First Steps

A black screen while the phone still responds to calls or sounds points to a display issue, not a dead phone. Here are the first steps to take.

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Technician fitting a new smartphone display

Half of My Touchscreen Is Not Responding

A partially unresponsive touchscreen is usually a digitizer or connector problem. Here is how to test it and what the repair involves.

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Smartphones with cracked screens on a repair table

How to Protect a Newly Replaced Screen

A new screen needs careful handling for the first week and a tempered glass applied immediately. Here is what to do and what to avoid after a screen replacement.

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Phone with shattered front glass held in hand, Prince Mobile Service Center Kota

Foldable Phone Screen Repair in Kota (Flip & Fold)

Foldable phones need specialist care. We cover crease, inner display damage, realistic repair costs, and why Kota students should act quickly.

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iPhone with a cracked screen

Tempered Glass vs Screen Guard: Do They Help?

Tempered glass and screen guards both protect your display, but in very different ways. Here is what we tell every customer who asks us to fit one.

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Battery & Charging

12 guides
iPhone opened for battery replacement, Prince Mobile Service Center Kota

Phone Battery Replacement in Kota: Cost & Signs

A weak battery is the most common reason phones stop being reliable. Here are the clear signs it is time for a replacement and what it costs in Kota.

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Inside of a smartphone showing battery and board

Why Your Phone Battery Drains So Fast

Fast battery drain is the number-one complaint we hear. Most causes are fixable without a repair, but some point to a battery that needs replacing.

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iPhone opened for battery replacement

Swollen Phone Battery: Why It's Dangerous & What To Do

If your phone back is lifting or the screen is pushing out, the battery is swelling. This is a genuine safety hazard, here is exactly what to do right now.

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Disassembled iPhone with repair tools, Prince Mobile Service Center Kota

Phone Not Charging? Troubleshoot Before You Repair

A phone that will not charge is not always a hardware problem. Try these simple steps first, you may save yourself a trip to the shop and a repair bill.

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Disassembled phone parts on a repair mat

Phone Charging Slowly: Causes and Fixes

Slow charging wastes your time and can frustrate coaching students who need their phones topped up between lectures. Most causes are easy to identify and fix.

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iPhone opened for battery replacement

How to Check Battery Health on Android

Unlike iPhones, Android does not always show battery health clearly. Here are the reliable ways to check your Android battery's real condition, and what the numbers mean.

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Disassembled iPhone with repair tools

iPhone Battery Health Explained (When to Replace)

iPhone battery health is one of the clearest indicators in any smartphone. Here is what the percentage really means, what affects performance, and when to replace it.

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Inside of a smartphone showing battery and board

Phone Heats Up While Charging: Is It Normal?

Some warmth while charging is normal. Genuine heat is not. We explain the difference, why it happens, and what to do if your phone is getting too hot.

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Disassembled iPhone with repair tools

Is Charging Your Phone Overnight Bad?

Overnight charging is not as harmful as older advice suggested. Learn what modern phones do differently and what habits genuinely matter.

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Disassembled phone parts on a repair mat

Does Fast Charging Damage Your Battery?

Fast charging is not a simple yes or no answer. Heat is the real variable. Here is what our technicians have found over years of battery repairs.

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iPhone opened for battery replacement

Phone Suddenly Dies at 20-40%: What's Wrong

A phone that dies at 30% still has capacity left, it just cannot read it accurately. Here is why this happens and what the fix looks like.

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Inside of a smartphone showing battery and board

How to Safely Clean a Charging Port

Before assuming your charging port is broken, check for lint. Dust and fabric fibres are a very common cause of slow or failed charging, and cleaning is often all that is needed.

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Water & Physical Damage

10 guides
Smartphone under water, Prince Mobile Service Center Kota

Phone Fell in Water? Do This First (Kota Guide)

What you do in the first few minutes after a phone gets wet matters more than any repair skill. Follow these steps before visiting us.

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Phone kept in rice after getting wet

Does Rice Actually Save a Wet Phone? (The Truth)

Rice is not the answer for a wet phone. Here is why the advice persists, what it actually does, and what our technicians recommend instead.

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Phone dropped in water

Signs of Water Damage Even After It Dries

A phone that survived water contact can develop problems days or weeks later from slow corrosion. Knowing the signs helps you act before more components fail.

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Phone dropped in water

Dropped Your Phone in the Toilet? Step-by-Step

Toilet water exposure is more damaging than clean water due to contamination. Follow these steps immediately and visit a technician as fast as possible.

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Wet phone in the rain

Dropped Phone With Cracked Screen: What to Check

A cracked screen is the visible damage, but a drop can cause hidden problems too. Here is a checklist to assess your phone before deciding on repairs.

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Smartphone under water

What the Liquid Damage Indicator (LDI) Tells Us

Every modern smartphone has a small sticker that changes colour when it contacts water. Here is what it tells our technicians and why it matters for your warranty.

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Phone dropped in water

Phone Won't Turn On After Water Damage

A phone that won't power on after water exposure needs board cleaning fast, every hour of delay lets corrosion spread further.

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Wet phone in the rain

Bent Phone Frame or Body: Can It Be Fixed?

A bent phone frame is more than cosmetic, it can stress the screen, crack the battery, and let water and dust in. Here is what can realistically be done.

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Smartphone under water

"Waterproof" Phone Still Got Water Damage?

IP68 does not mean permanently waterproof. Seals degrade, repairs break them, and pool water is worse than tap water. Here is the honest truth.

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Phone dropped in water

How to Recover Data From a Water-Damaged Phone

Getting your photos and data off a water-damaged phone depends on the extent of board damage. Here is how we approach recovery and what affects success.

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Motherboard & Chip-Level

8 guides
Chip-level phone repair under a microscope

Phone Completely Dead, No Power: Repair Options

A completely dead phone could mean a flat battery, a failed charging port, or a board fault. Here is how we diagnose it and what each repair costs.

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Micro-soldering on a phone motherboard

What Is Mobile Motherboard (Chip-Level) Repair?

Motherboard or chip-level repair means fixing the main circuit board of your phone rather than replacing it, often saving thousands of rupees.

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Close-up of ICs on a phone motherboard

Phone Stuck on Logo or Boot Loop: Causes

A boot loop or logo freeze has both software and hardware causes. Most software cases are fixable without data loss, hardware causes need board-level work.

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Technician soldering a circuit board

No Network After a Repair: IMEI & Baseband

No network after a repair usually means the baseband chip or IMEI was affected. Here is what causes it and what can be done to fix it.

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Chip-level phone repair under a microscope

Short Circuit in a Phone: What Happens & Costs

A phone short circuit can range from a tripped fuse to burnt board components. Here is how it happens, how we diagnose it, and what repairs cost in Kota.

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Micro-soldering on a phone motherboard

Phone Restarts on Its Own: Software or Board?

Random restarts are frustrating whether they happen once a day or every hour. Most are software-fixable, but some point to hardware that needs attention.

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Close-up of ICs on a phone motherboard

Is Motherboard Repair Worth It vs a New Phone?

Motherboard repair can cost anywhere from ₹800 to ₹6,000. Here is how to decide if it is worth it for your specific phone and situation.

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BGA solder balls during IC reballing

Micro-Soldering Repair Explained (For Customers)

Micro-soldering is the skill that lets a technician replace a single faulty chip on a phone board instead of replacing the whole motherboard. Here is what you need to know.

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Camera, Speaker & Mic

10 guides
Technician in gloves handling phone parts

Blurry Phone Camera: Cleaning vs Repair

A blurry camera is often caused by a smudged lens or a dirty case cutout, both fixable in seconds. Here is how to tell when it is a hardware problem instead.

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Smartphone spare parts laid out

Camera App Shows Black Screen: Fixes

A black camera screen is almost always software on the first occurrence. These quick steps fix the majority of cases without any repair.

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Disassembled phone parts on a repair mat

Phone Speaker Not Working: Troubleshooting

A silent loudspeaker is often caused by dust, water in the grille, or a volume setting, not a broken speaker. Here is how to tell the difference and when to get it repaired.

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Technician repairing a smartphone at the bench

Can't Hear Calls? Earpiece Repair Guide

A muffled or near-silent earpiece is usually caused by a blocked mesh or residual water. These quick fixes work for most cases before any repair is needed.

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Technician in gloves handling phone parts

Mic Not Working on Calls: Causes and Fixes

When the other person cannot hear you on a call, the microphone is the first suspect, but the fix is often simpler than you think. Here is what to check first.

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Smartphone spare parts laid out

Cracked Rear Camera Glass: Repair Options

A cracked camera lens cover does not always mean the camera itself is damaged. In many cases only the glass needs replacing, a quick, affordable repair.

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Disassembled phone parts on a repair mat

Front Camera / Selfie Camera Not Working

A front camera that shows black or crashes is usually a software issue first. Here is how to diagnose it step by step before considering hardware repair.

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Technician repairing a smartphone at the bench

Distorted or Crackling Sound: What to Do

Crackling or distorted phone audio is usually a sign of speaker damage or water in the grille. Here is how to diagnose it and what the repair involves.

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Technician in gloves handling phone parts

Screen Goes Black During Calls (Proximity Sensor)

Screen turning black mid-call and not coming back? The proximity sensor is usually the culprit. Here is how to diagnose and fix it.

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Smartphone spare parts laid out

Flashlight Not Working on Your Phone

Phone flashlight suddenly stopped working? It could be a quick software fix or a hardware issue. Here is how to find out which one you are dealing with.

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Software & Data

12 guides
Entering a passcode on a smartphone

Phone Hanging or Slow? Speed It Up First

A phone that hangs or lags is frustrating but often fixable without a hardware repair. Here is how to methodically speed it up and spot when something deeper is wrong.

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Technician repairing a smartphone at the bench

How to Safely Factory Reset Your Phone

A factory reset can fix deep software problems but it erases everything. Know exactly what to do before, during, and after to avoid losing data or getting locked out.

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Open hard disk drive showing the platter and head

How to Back Up Your Phone Before a Repair

A repair can sometimes require a reset. Backing up before you hand in your phone takes 20 minutes and saves you from losing months of photos, chats, and contacts.

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Entering a passcode on a smartphone

Forgot Phone Pattern/Password: Your Options

Locked out of your phone after too many wrong pattern attempts? Here are your real options, from Google account recovery to a factory reset, and what each one costs you.

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QR code shown on a phone screen

"Storage Full" but Nothing to Delete: Fixes

Your phone shows storage full but you cannot see what is using the space. Hidden cache, WhatsApp media, and system files are usually the culprits. Here is how to reclaim gigabytes.

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Open hard disk drive showing the platter and head

Can You Recover Deleted Photos? What's Realistic

Deleted photos are not always gone forever. Check your cloud trash, Google Photos, and WhatsApp backup first before assuming the worst. Here is what is genuinely possible.

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Entering a passcode on a smartphone

Software Update Stuck or Failed: What to Do

A software update that freezes mid-progress can look frightening. Most of the time the phone is fine, it just needs time. Here is how to tell the difference and what to do safely.

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Technician repairing a smartphone at the bench

Phone Overheating: Software Causes and Fixes

An overheating phone is uncomfortable to hold and harmful to the battery. Most cases have a software root, here is how to cool things down before assuming a hardware problem.

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QR code shown on a phone screen

Apps Keep Crashing on Android: Fixes

Apps crashing repeatedly on Android? Try these fixes, cache clear, updates, storage check, before assuming hardware trouble.

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Entering a passcode on a smartphone

Does My Phone Have a Virus? Signs and Cleanup

Pop-up ads, unknown apps, or fast battery drain may mean malware. Here is how to check and clean your Android phone safely.

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Technician repairing a smartphone at the bench

Transfer Data From Old Phone to New Phone

Switching phones? Follow this checklist to move contacts, photos, WhatsApp, and apps safely without losing anything important.

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QR code shown on a phone screen

Google Account (FRP) Lock After Reset

Stuck on Google account verification after a factory reset? Learn what FRP lock is, how to avoid it, and the only legitimate ways to resolve it.

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Brand Repair Guides

14 guides
Disassembled iPhone with repair tools, Prince Mobile Service Center Kota

iPhone Repair in Kota: Services, Costs and FAQs

From cracked screens to water damage, we repair all iPhone models at our Keshavpura, Kota shop. Honest costs, quality parts, free diagnosis.

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Disassembled iPhone with repair tools

iPhone Screen Replacement Cost by Model (2026)

iPhone screens cost more to replace than most Android phones. Here is why, what you actually get for the price, and realistic 2026 ranges for Kota.

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Technician fitting a new smartphone display, Prince Mobile Service Center Kota

Samsung Repair in Kota: What We Fix

Samsung phones are common in Kota and our shop handles all Galaxy repairs. AMOLED screens, batteries, charging, water damage. Free check-up before any repair.

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Technician fitting a new smartphone display

Samsung AMOLED Screen Replacement Guide

Samsung AMOLED screen replacement is different from a basic LCD swap. Learn why, what part quality means, and what to expect from a Kota repair shop.

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Technician repairing a smartphone, Prince Mobile Service Center Kota

Vivo Mobile Repair in Kota

Vivo phones are popular in Kota for their cameras and battery life. We handle all common Vivo repairs, display, battery, charging, software, with free diagnosis.

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Technician repairing a smartphone, Prince Mobile Service Center Kota

Oppo Mobile Repair in Kota

From cracked Oppo screens to VOOC charging issues, our Keshavpura shop repairs all Oppo models with free diagnosis and fair pricing.

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Technician repairing a smartphone, Prince Mobile Service Center Kota

Realme Mobile Repair in Kota: Services & Costs

Realme phones are hugely popular with coaching students in Kota. Here is what we fix, how much it costs, and what to expect at our Keshavpura shop.

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Technician in gloves handling phone parts, Prince Mobile Service Center Kota

OnePlus Repair in Kota: Screen, Battery & More

OnePlus phones are premium and the Fluid AMOLED screens are stunning, but repairs need care. Here is what we fix at our Kota shop and what it costs.

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Redmi spare parts and display, Prince Mobile Service Center Kota

Xiaomi / Redmi / Poco Repair in Kota

Xiaomi, Redmi, and Poco are among the most repaired brands at our Kota shop. We cover screens, batteries, charging ports, and MIUI software issues for all popular models.

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Technician repairing a smartphone

Common Vivo Charging Problems and Fixes

Is your Vivo phone not charging, charging slowly, or losing its Flash Charge speed? We explain the common causes and what our Kota technicians do to fix them.

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Redmi spare parts and display

Common Redmi Display Problems and Solutions

Redmi display problems range from cracked glass and dead touch zones to flickering screens and coloured lines. Here is how we diagnose and fix them at our Kota shop.

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Disassembled iPhone with repair tools

iPhone Water Damage Repair: What Is Actually Possible

Water-damaged iPhones need fast, careful handling. We explain what the LCI sticker reveals, how board cleaning works, and what outcomes to realistically expect.

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Technician fitting a new smartphone display

Samsung Battery Replacement: Signs, Costs & What to Expect

A Samsung battery that drains too fast or is starting to bulge needs prompt attention. Here is how to spot the signs and what replacement costs in Kota.

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Disassembled iPhone with repair tools

iPhone Not Charging: Fixes to Try Before You Repair

iPhone not charging? Before visiting a repair shop, try these safe steps, checking the cable, cleaning the port, and a few software tricks. We cover when to bring it in.

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Tablets & Laptops

10 guides
Technician repairing a laptop, Prince Mobile Service Center Kota

Laptop Repair in Kota: Services, Costs & What We Fix

From cracked screens to slow performance and power failures, we repair all major laptop brands at our Keshavpura shop in Kota. Here is what we fix and what it costs.

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Tablet being repaired, Prince Mobile Service Center Kota

Tablet and iPad Repair in Kota: Screen, Battery & More

Cracked iPad screen or a tablet that will not charge? We repair iPads and Android tablets at our Keshavpura shop in Kota, here are the costs and what to expect.

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Laptop with a cracked screen

Laptop Screen Replacement Cost Guide

Laptop screen costs in Kota depend on panel type, size, and resolution. Here is what to expect and why the price varies so much.

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Technician testing a laptop with a multimeter

Laptop Won't Turn On: Troubleshooting

A laptop that refuses to start could have a simple power issue or something deeper. Here are safe checks you can do before visiting a repair shop.

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Open laptop showing internal components

Laptop Battery Not Charging: Fixes

"Plugged in, not charging" is one of the most common laptop problems. Here are the steps to diagnose it from easiest to hardest.

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Applying thermal paste to a laptop CPU

Laptop Overheating and Fan Noise: What to Do

A hot, noisy laptop is a sign your cooling system needs attention. Dust buildup and dried thermal paste are the top causes, here is how to address them.

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Technician repairing a laptop

Laptop Keyboard Not Working or Replacement

A dead or sticky laptop keyboard can be caused by a spill, physical damage, or a software setting. Here is how to diagnose it and what a replacement costs.

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Tablet being repaired

iPad Screen Replacement Cost and Options

iPad screen repair is more involved than a phone screen, the glass is fused to the LCD on most models. Here are real 2026 costs and your options explained.

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NVMe SSD drive

Slow Laptop? SSD and RAM Upgrade Guide

Replacing a slow hard disk with an SSD transforms an old laptop from unusable to fast. Here is everything you need to know about upgrades and costs in Kota.

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Tablet being repaired

Tablet Not Charging: Causes and Fixes

Tablets are slow to charge by design, but no charge at all points to a specific problem. Here are the causes and safe fixes to try before coming in.

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Network, SIM & Connectivity

6 guides
Close-up of a circuit board chip

No Signal or No Service on Phone: Fixes

A phone with no signal could have a simple network settings issue or a hardware antenna problem. Work through these steps to find out which it is.

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Close-up of ICs on a phone motherboard

SIM Card Not Detected: Troubleshooting

A SIM not detected error can come from the SIM itself, the tray, the reader, or the motherboard. Work through these steps to find the cause quickly.

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Entering a passcode on a smartphone

Phone Won't Connect to Wi-Fi: Fixes

Phone refusing to connect to Wi-Fi? Most cases are software settings. We walk you through every fix, plus when hardware repair is needed.

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Close-up of a circuit board chip

Bluetooth Not Working: Quick Fixes

Bluetooth not pairing or cutting out? Most fixes are software-side. Here is what to try, and when to bring it in for repair.

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Entering a passcode on a smartphone

How to Check Your Phone's IMEI & Why It Matters

Your phone's IMEI is its unique identity. Know how to find it, what a blacklisted IMEI means, and how to protect yourself when buying used.

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Close-up of ICs on a phone motherboard

Calls Keep Dropping: Network vs Hardware

Calls dropping repeatedly is both frustrating and disruptive. We explain how to figure out whether it is your network, SIM, or phone hardware.

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Buying & Phone Care

6 guides
Old phones bought for parts

Should You Repair or Replace Your Phone?

Unsure whether your broken phone is worth repairing? We share a simple, honest framework from our Keshavpura shop to help you decide.

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Old phones bought for parts

Buying a Second-Hand Phone in Kota: Checklist

Second-hand phones can be great value, or a costly mistake. Our Keshavpura shop's checklist covers everything to check before you pay.

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Old phones bought for parts

10 Habits to Make Your Phone Last Longer

A well-cared-for phone can easily last four to five years. Our Keshavpura shop shares ten practical habits that make a real difference.

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Phone with a broken screen resting on a wallet

Choosing a Case & Protector That Actually Protect

A good case and screen protector can prevent most repair visits. We explain which types actually work and what to look for when buying.

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Entering a passcode on a smartphone

How to Avoid Mobile Repair Scams

Not every repair shop is honest. We share the warning signs of a scam repair, and what a legitimate shop like ours always does differently.

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Wet phone in the rain, Prince Mobile Service Center Kota

Monsoon Phone Care Tips for Kota

Kota's monsoon season is the busiest time at our shop for water damage. Here is how to protect your phone through the rains and humidity.

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