Blog
Guías e información sobre certificación de dispositivos, diagnósticos, borrado de datos y el mercado secundario de teléfonos.
Phone Resale in 2026: How to Get the Most Value From Your Device
Learn how phone resale works in 2026 and discover tips to get the most value from your device, from timing your sale to verifying condition and warranty.
Leer más →
New Year, New Galaxy Phone: What to Check Before You Upgrade in 2026
Free Phone Deals for New Customers: What You Need to Know Before You Sign Up
IMEI Blacklist Check: How to Tell If a Phone Is Blocked Before You Buy
Old Phone Checklist: How to Test Battery, Performance, and Security in 2026
The Best Phone Deals for 2026: How to Save Big on Used and Refurbished Devices
Certified Data Destruction: Why PURGE-Level Erasure Is the New Standard in 2026
Old iPhone Guide: What Still Works in 2026 and What Doesn’t
iPhone Battery Replacement: How to Know When It’s Time and What to Expect
Renewed vs Refurbished Phones: What’s the Difference and Why It Matters
How to Verify a Phone’s Warranty Before Reselling It
Fake IMEI Numbers: How to Detect Fraudulent Devices Before You Buy or Resell
eSIM iPhone Compatibility Check: What to Know Before You Buy or Sell
Phone Overheating: Causes, Diagnostics & Prevention
How to Test Smartphone Repairability Before Buying a Device
How to Check WiFi Strength on Any Device (iPhone, Android, Laptop)
Used Phone Reports: How to Interpret a Device History Report
The Future of Refurbished Phones: Trends Reshaping Mobile Device Reselling
Step-by-Step Phone Verification Guide for Certified Devices
Comparing Diagnostic Tools: Finding the Right Fit for Your Business
Used iPhones for Sale: How Certification Protects Buyers and Boosts Seller Trust
iPhone Not Charging: Common Fixes and When to Trust Diagnostics
iPhone IMEI Check: Red Flags Sellers Often Overlook (Don’t Get Scammed!)
How to Unlock Your iPhone Passcode Without a Computer: When Apple’s ‘Forgot Passcode?’ Feature Works—and When It Doesn’t
Fast Charging & Battery Health: What Every Reseller Should Know
A Complete Guide to Secure Data Destruction for Used Mobile Devices
The Best Place to Buy Used Phones
When to Buy and Sell Mobile Phones: How to Time Your Phone Upgrade Just Right
How to Fix a Wet Phone: A Step-by-Step Guide
Phone SOS: Tips and Tricks to Finding Your Lost Smartphone
A Business Checklist Before You Trade In Bulk Phones (or Even Just One)
The Evolution of Diagnostic Tools in Mobile Device Testing
Understanding the Importance of Battery Health in Certified Devices
How to Transfer Data to New Phone Without Losing Anything
How to Build the Right Company Cell Phone Policy
Where to Sell Old Phones in 2025
Guide to Sell Used Phones Online
Is There an Easier Way to Check Device IMEI Numbers on Multiple Phones?
How Phonecheck’s Data-Driven Reports Can Improve Buying Decisions
How Phonecheck’s Robotics Enhance Accuracy in Bulk Device Testing
The Fastest Way to Run a Phone Test on Bulk Devices
Understanding Data Erasure Standards: How to Ensure Complete Data Security
The Importance of Data Destruction Services
How to Data Wipe Your Smart Device
Your Guide to Buying Used Phones
Why Device Testing is Critical for Mobile Resellers
Corporate Data Wipe: Ensuring Secure Removal from Phones
Tackling Smartphone Addiction in the Workplace
A Guide to Buying Used Phones with Confidence
5 Red Flags to Look for When You Buy Used Phones
Which Phone Carriers Have the Best Business Phone Plans?
How To Clear My Cache On iPhone
How to Check and Maintain Your Android Battery Health
Top 5 Benefits of Giving a Used Smartphone as a Holiday Present
The Business Owner's Guide to Buying Second Hand Phones
Can You Fix iPhone Battery Problems?
What to Look for When Buying a Used MacBook
The Benefits of 5G Networks
What Are the Best Gaming Phones?
How to Fix a Wet Phone
Prepaid vs. Contract: Which Mobile Phone Plan is Right for You?
Best Phones for Teens
Best Children's Phones
Phonecheck Certified: What Does it Mean?
iPhone Won’t Charge? Here's How to Fix It
Spotting a Replaced iPhone Screen
Mobile Phone Photography Throughout the Years
5 Signs You Need a Phone Diagnostic Test
International SIM Cards and Travel Tech Tips
5 iPhone Photography Tips
How To Check If Your IMEI Number Has Been Hacked
How to Run an iPhone Diagnostic Test
Guide to Android Secret Codes
2024 List of Obsolete iPhones
Avoid Phone Screen Imperfections When You Buy Used
Who Can See My Mobile Data History?
How to Check If a Used Phone Is Stolen
Ever Wonder, "How Much Time Have I Spent on My Phone?"
What's a Rooted Android?
Open Box Mobile Phones: A Penny Saved or a Penny Lost?
Important Aspects of Diagnostic Phone Tools
Score a Used Cell Phone? Here’s How to Activate eSIM Cards!
Cell Phone Etiquette in 2024: Navigating a World Fueled by Screens
How To Remove Apps from iPhone
What Is True Tone on iPhone? Your Guide to a More Natural Viewing Experience
Advantages vs. Disadvantages of Unlocked Phones
If I Sell My Used Phone, How Much is an iPhone 11 Worth?
What To Do If Your iPhone 13 Won’t Charge
Should You Attempt an iCloud Unlock Bypass?
Is an iPhone 15 Pro Max Worth the Price?
Should I Buy a Used iPhone 14?
How to Factory Reset Android Phone When Locked
Why Is My Phone So Slow and How Do I Speed It Up?
How To Unlock iPhone On All Major Carriers
What is MMI Code?
What is Swappa? How Tech Resale Sites Work
How to Remove a Hacker from My Phone
A Comprehensive Guide to the iPhone 12 Diagnostic Mode
How to Enable Developer Mode: Android Phone
The Power of MDM Lock Checks in Securing Your Device
Best Online Options with Used iPhones for Sale
3 Easy Steps to Activate a Used Phone
The Most Accurate Phone IMEI Tools on the Market
How to Unlock an iPhone Passcode
Do an IMEI Check Before Buying a Used Mobile Phone
Is a Used Google Pixel a Good Buy?
What is Data Hygiene and How Does It Help Mobile Phone Users?
How to Protect Data on Your Mobile Phone
How to Make Your Mobile Phone Battery Last Longer
Mobile Phone Auctions: Pros and Cons
How to Get Your iPhone Hardware Tested
Where to Buy Phones in Bulk
How to Test New Mobile Phone
Apple Diagnostics: iPhone Tools and Resources
This is the Best Phone-Wiping Software for Resellers
What is an IMEI Unlock Check?
Understanding a Device History Report: Everything You Need to Know About Device Info
What is the Best iPhone Diagnostic App?
What is the Best Android Cell Phone Diagnostic Software?
Does iCloud Unlock or Lock the Activation Lock Security Feature?
What is the Best Cell Phone Diagnostic Software?
Sustainable Technology: Top 5 Ways to Go Green in 2023
How to Check Apple Diagnostics on an iPhone
Should You Buy Mobile Phone Insurance?
Why Is My Phone Overheating?
Guide to Phone Warranties
Top Places to Buy Used Phones in 2023
What’s the Best Way to Get a Certified Pre Owned Phone?
Check Your Used Phone with a Data Report
What is an eSIM card?
Guide to a Gift Phone for the Holidays!
What to Look for When You Buy a Used Apple Watch
What is IMEI and Other Curious Mobile Lingo
Ensure No One Can Spy On Your Refurbished Phone
5 Steps to Having a Sustainable Phone
How to Check An Android Phone Trade In Value
How to Check iPhone Trade In Value
Guide to AT&T Refurbished Phones
Guide to Amazon Refurbished Phones
Guide to Straight Talk Refurbished Phones
Guidelines for Media Sanitization (NIST SP 800-88)
Guide to Mobile Workflow Management
What Is Mobile Lifecycle Management (MLM)?
How to Factory Reset Your Android Phone
iPhone 13 vs Android
Common Cell Phone Problems and Solutions
Guide to Buying Used Mobile Devices
Complete Guide to Running Diagnostics on Your Smartphone
Guide to Data Governance in Business
What Standards Do Data Erasure Software Use?
Guide to Microsoft Mobile Device Management
Guide to Apple Mobile Device Management
Complete Guide to Mobile Device Management at Your Company
Ebay Partners with Phonecheck as Preferred Provider of Mobile Device Certification
What Is Mobile Device Certification and Why Is It Important?
What are ESN Checks, and How Do You Read the Report?
Complete Guide To Apple's Refurbished Phones
What Is Media Sanitization and Why Is It Important?
Guide to iPhone Tools in 2022: What's Best For You?
How to Check for an Original iPhone Screen
How to Calculate the Resale Value of Your iPhone
5 Things You Should Know About The iPhone's Internal Hard Drive
Guide to Establishing Your Company's Data Destruction Policy
Complete Guide to Buying Refurbished Phones
A Simple Guide to Android MDM for Your Company
What Is an Android Auto-Generated RRO Product?
Android Diagnostic Software: A Complete Guide
How Does the Phonecheck Partnership with Back Market Help Mobile Device Buyers and Sellers?
Does Used Device Certification Increase Used Phone Value?
Understanding Refurbished Phone Grades
iPhone 12 vs 13: What’s the Difference?
Can I Retrieve Deleted Text Messages from Android?
Do Original Phone Parts Matter? Let’s Talk About OEM.
Why Your Phone Battery is Dying and How to Increase Your Phone’s Battery Life
Has My Phone Been Hacked? Check for These Four Things
What is a Blacklisted Phone?
What NIST 800-88 Means and Why it Matters
Where Can I Purchase Wholesale Mobile Phones?
Can You Recover Deleted Text Messages On iPhone
Fake GPS Location On Android
When Do iPhone Prices Drop?
How To Unlock An iPhone Passcode
Where Can I Buy iPhones In Bulk
How To Track An Android Phone
How To Factory Reset An Android Phone
How to Protect Sensitive Data On Your Mobile Device
How to Dispose of Broken Cell Phones
Should I Buy a Manufactured Refurbished Phone?
The Most Popular Phones Under $500
The Best Smartphones For A Killer VR Experience 2019
Security & Your Smartphone: How to Protect Your Phone From All Fronts
10 Ways to Protect Data On Your Smartphone
Should Your Business Give Employees a Company Phone?
Unlocked vs. Used Phones: Which Is the Best Value on Amazon?
Does It Need a Repair? Hardware Testing on Mobile Devices
Budget Buyers Guide: The 6 Best Used Smartphones Under $200
How to Diagnose iPhone 8 Problems
The Complete Guide to Mobile Security in the Workplace
Best Places to Buy Used Cell Phones on a Budget
Can You Trust An iCloud Activation Lock Removal Service?
Can Phone Testing Tools Help Salvage a Broken Phone?
What Happens When You Can't Activate Your Used iPhone?
The Complete Guide to Maxing Your Android Phone's Performance Speed
How to Diagnose iPhone 7 Problems
Accidentally Locked Out? How to Bypass & Unlock iCloud Activation
How to Recognize & Stop Android Malware Apps in Their Tracks
5 Questions to Ask Before Buying a Second Hand Phone
Protecting Your Smartphone
The Best Value Used Smartphones (That Actually Work)
How to Remove iCloud Activation on Your Employee's Phone
What Happens to Your Smartphone When it Overheats?
PhoneCheck to Present at Mobile World Congress in Shanghai
Go Mobile or Go Home — Targeted Optimization Tactics for 2017
Put Your Phone on Life Support: How To Make Your Smartphone Last Longer
Should You Attempt An iCloud Unlock Bypass?
Mobile Device MD: How to Extend Your Smartphone's Life!
Why a PhoneCheck Certification Can Drive up the Value of Used Devices
Are Second-hand Mobile Phones Prices THAT Much Cheaper?
The Best Time of Year To Buy and Sell Mobile Phones
The Best Optimization Tools for Second Hand Mobile Phones
How to Unlock an iCloud Account on a Company Device
Can You Test a Device's Bluetooth Strength?
Diagnose iPhone Problems Without the Apple Store
