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before you pay.
Clear, practical guides on IMEI and serial numbers, iCloud and Find My, blacklists and carrier unlocking — written by the iSerial team, with free checks you can run right in the page.
Results
Problems & fixesTouch Screen Not Working or Ghost Touch? Fixes for Any Phone25 Oct 2026 · 6 min read
Problems & fixesOnePlus 15 Problems: Overheating, Scratched Back, ColorOS 1725 Oct 2026 · 5 min read
Problems & fixesMoto G Power 2026 Problems: Screen Ghosting, Charging, Fixes25 Oct 2026 · 5 min read
Problems & fixesGalaxy Z Flip7 Problems: Exynos 2500 Heat, Battery and Fixes25 Oct 2026 · 5 min read
Carrier unlockingHow to Check If Your iPhone Is Unlocked (5 Easy Ways, 2026)22 Sep 2026 · 5 min read
Locks & blacklistWhat Is MDM Lock? How to Check If a Phone or Mac Is Managed11 Sep 2026 · 5 min read
Locks & blacklistPhone Theft Protection: 10 Settings to Turn On Today (2026)29 Aug 2026 · 5 min read
Android brandsTecno, Infinix & itel: How to Check a Used Phone Before Buying25 Aug 2026 · 5 min read
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iPhone 18 Pro & Pro Max: A20 Pro Chip, C2 Modem, Cameras and Security Explained
iPhone 18 Pro and Pro Max explained: 2nm A20 Pro chip, C2 modem, variable-aperture camera, battery, prices and security — and what to check before buying.
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Phone & tech newsXiaomi 18 Pro and Pro Max: Price, Specs and Global Launch25 Oct 2026 · 5 min read
Problems & fixesXiaomi 17 Ultra Problems: Zoom Ring, HyperOS 4, Battery Fixes25 Oct 2026 · 5 min read
Problems & fixesWi-Fi Connected but No Internet on Phone? 11 Quick Fixes25 Oct 2026 · 6 min read
Phone & tech newsvivo X500 Global Launch Oct 27: Specs and Smaller EU Batteries25 Oct 2026 · 5 min read Latest guides
New and updated articles from the iSerial team.
vivo X300 Pro Problems: Battery Drain, Heat, Network Fixes
vivo X300 Pro problems: battery drain, overheating and network drops after the June trial update, the rollback, camera …
vivo X Fold 6 India Launch: Rs 2,19,999 Price, Specs, Worth It?
vivo X Fold 6 price in India is Rs 2,19,999 — Rs 70,000 more than the X Fold5. Full specs, battery, cameras, offers and…
vivo V80 Launched in India: Price, 7,200mAh Battery, Specs
vivo V80 launched in India from Rs 62,999 with a 7,200mAh battery, Snapdragon 7 Gen 4 and 144Hz AMOLED. Prices, specs, …
vivo V60 Problems: Heating, Camera, Bloatware and Fixes
vivo V60 problems explained: heating in games, weak ultrawide and Night mode, bloatware, battery drain and speaker soun…
Touch Screen Not Working or Ghost Touch? Fixes for Any Phone
Touch screen not working or tapping by itself? Step-by-step fixes for iPhone and Android, the 2026 iOS 27 and Android 1…
Tecno Spark 40 Pro Problems: Updates, Cracked Screen, Speaker
Tecno Spark 40 Pro problems explained: missing Android 16 / HiOS 16 update, cracked screens, low speaker volume, batter…
Phone & tech news
New phones, chips, security and software releases — what changed and what it means when you buy.
T-Mobile Price Lock Settlement: Refunds, Free 5G Phone Options
Smartphone Shipments Crash 22% in Q3 2026: The Memory Shortage
Oppo Find X10 and X10 Pro Max Go Global: Price, Specs, Deals
OnePlus 16 Launched: Specs, Price and Why It Skips US & Europe
Buying used phones
Checklists and red flags before you pay for a second-hand iPhone, Samsung or MacBook.
Samsung Certified Re-Newed Phones on Amazon: Models, Price, Warranty
How to Check if an Android Phone Is Fake, Clone or Original
How to Check Battery Health on Android (Samsung, Pixel, Xiaomi)
Phone Price Increase 2026: Why Samsung, Google and Apple Just Raised Prices (and How to Save)
Check a phone in seconds
Your first All-in-one check is free — no sign-up. Then run iCloud, blacklist, carrier and MDM reports from a few cents.
IMEI & serial basics
What IMEI, serial, MEID, EID and TAC numbers are — and how to read them.
How to Check Phone Warranty by IMEI or Serial Number (iPhone, Samsung, Pixel and More)
What Is an IMEI Number? Everything You Need to Know (2026)
How to Find the IMEI Number on Any Phone (Even Without the Phone)
IMEI vs Serial Number vs MEID vs EID: What’s the Difference?
Locks & blacklist
iCloud, Find My, MDM, blacklist and theft protection explained.
Samsung October 2026 Security Update: What It Fixes, Who Gets It
FTC Scam Calls Threaten to Deactivate Your Phone Number (2026)
Android Developer Verification: New Sideloading Rules Explained
iOS 26.7.1 Security Update: What It Fixes, Who Should Install It and How
Carrier unlocking
SIM-lock, carrier policies and official network unlocks.
Is My Phone Compatible With Verizon, T-Mobile or AT&T? BYOD Check Before You Switch
Carrier-Locked vs Unlocked Phones: What It Means and Why It Matters
How to Check If Your iPhone Is Unlocked (5 Easy Ways, 2026)
How to Unlock an AT&T iPhone: Official Ways and Requirements (2026)
Android brands
Samsung, Google Pixel, Xiaomi, Huawei, Tecno, Infinix and more.
Pixel October 2026 Update: Fixes, Builds and Pixel 11 QPR1 Delay
OnePlus ColorOS 17 Update Schedule: OxygenOS Ends (Oct 2026)
HyperOS 4 Rollout: Eligible Xiaomi, Redmi, POCO Phones and Dates
Third-Party App Stores Arrive on Google Play: What Changes
Tools & commands
Terminal, ADB and PowerShell commands, calculators and pro tips.
How to Check If a Phone Has an Original Screen and Parts
ADB Commands to Check an Android Phone Before Buying (2026 Guide)
Windows Commands to Find Your Serial Number and Device Info (2026)
Mac Terminal Commands to Check Serial Number, Model and MDM Status
Problems & fixes
Known problems on popular iPhone, Samsung, Pixel, OnePlus, Xiaomi and other phones — and the fixes that work.
Speed Up an Old Phone: Storage, Battery and Update Fixes That Work
Sony Xperia 1 VII Problems: Shutdown Defect, IMEI Check, Fixes
Redmi Note 15 Pro Problems: Lag, Dim Screen, Battery and Fixes
