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Complete Guide to Running Diagnostics on Your Smartphone

Whether you’re a company IT manager who oversees mobile devices or a regular phone user, knowing that your smartphone is perfectly working can put you at ease. Depending on how well you manage it, the average lifespan of a smartphone ranges between three to seven years. Within this period, its constituent parts may start developing problems that can impact its functionality. 

Diagnostic testing is one efficient approach to finding out if your smartphone is working fine. Additionally, diagnostic testing is crucial when buying second-hand smartphones in the open market. Let’s face it, at some point in your digital life, you may have to consider purchasing used smartphones. Used phones offer quality at a reduced cost and can be a money-saving approach, especially for companies looking to replace old phones. 

In this situation, diagnostic testing will help you ensure that both the software and hardware components of the pre-used phone are without fault. However, diagnostic testing is not only found useful when purchasing a used device. When listing personal or old company phones for resale in the open market, carrying out diagnostic testing and obtaining a device history report can help you negotiate better prices. 

You might consider it unnecessary as an individual user to perform routine diagnoses on your smartphone. But if you are a company IT manager, it’s part of your duty to carry out routine diagnostic testing to ensure all devices are in perfect working condition. 

Suppose you’re wondering what diagnostic testing is and how to run a diagnostic test on your smartphone. Our guide will provide valuable insight into efficiently running diagnostics on your smartphone or company devices. 

What are diagnostic tests for mobile phones?

Diagnostic tests involve a constructive examination of a mobile phone’s overall working condition or functionality using software tools. The test checks how well different parts of the smartphone perform and can help you detect problems in its functionality.

 

A diagnostic test encompasses a deep analysis of the device’s different software and hardware features, including the performance of its processors. Important phone features like the battery, speakers, microphone, haptic feedback, sensors, camera, wi-fi connectivity, screen pixels, etc., are adequately examined during the test.

 

Diagnostic tests can also help you check whether the smartphone has a clean ESN (unlocked) or a bad ESN (locked or blacklisted). Furthermore, it can help you identify SIM locks, mobile device management locks, cloud locks, etc.

Why should I run a mobile phone diagnostic test? 

When purchasing a used or second-hand device, businesses and regular phone users need a quick and dependable process of assessing the conditions of mobile phones. Diagnostic tests can help you detect faults across internal phone features in a structured approach.

 

For example, CPU problems can severely affect the user experience, causing glitches and device freezing or hanging. These problems can be detected and sometimes resolved with a diagnostic test.

 

You can also examine the battery’s health, which is prone to damage, through a diagnostic test. The test provides detailed feedback about the battery history, how many charge cycles it has left, and how much power it currently carries.

 

You can compare the test results from diagnostic tests to the expected capacity of a brand-new version. From the comparison, you can negotiate the difference with the seller, make plans to send it to a repair shop, troubleshoot the faults, or choose not to buy the device(s). Regardless of your choice, diagnostic tests provide all the information you need to make better decisions in buying, selling, and optimizing mobile devices.

 

Furthermore, as a buyer, diagnostic testing helps you verify the agreed-upon conditions, thereby bridging trust between you and the reseller. For businesses having to buy pre-owned phones in bulk, diagnostic testing helps eliminate the time-consuming process of diagnosing individual phones manually. Diagnostic tools that automate the diagnostic test process reduce the amount of IT hands you need.

When listing personal or old company phones for resale, diagnostic testing can help you negotiate reasonable prices. Routine diagnostic testing is also vital for the IT manager to ensure devices are functioning perfectly.

What are the common issues found from cell phone diagnostic tests?

Diagnostic tests pick up a variety of issues on smartphones. Some are obvious, and might confirm suspicions you had before the tests. Others are more subtle and might be challenging to detect in daily usage.

 

Battery problems top the list of the most common issues detected by cell phone diagnostic tests. Poor audio feedback, dead pixels, unresponsive touch screen, backlight faults, Bluetooth, and network connection issues follow in order of frequency.

 

Diagnostic tests might also be able to pick up IMEI blacklist issues. Additionally, you can expect a diagnostic test to reveal a faulty camera and microphone while also picking out bugs.

Built-in diagnostic tools for mobile phones

Most mobile phone original equipment manufacturers (OEMs) include a diagnostic tool built right into the operating system. Most of these built-in tools can be assessed through the dial pad in the native phone app, like in the case of Samsung Galaxy devices. Others have regular applications that allow you to run these tests.

 

However, the extent of the tests possible varies across different brands. Let’s review the steps in running diagnostic testing for some popular mobile phone brands with built-in diagnostic tools.

Run diagnostics on Samsung phone 

Run diagnostics on Motorola phone 

Run diagnostics on iPhone 

Unfortunately, iPhones do not have a built-in diagnostic tool. However, there are extensive readouts for battery health and performance on the iPhone.

 

To access the battery health information for your iPhone device: 

However, for a more comprehensive diagnostic test for your iPhone, you can use PhoneCheck’s industry-leading diagnostic solution.

Run diagnostics on Google Pixel phone 

Google Pixel phones do not come with a built-in diagnostic tool either. However, you can check and assess some battery information and bug reports by enabling developer options.

 

Nevertheless, PhoneCheck's quick and comprehensive diagnostic solution can help you run a more in-depth diagnosis on your Pixel phone.

Follow the steps below to get a report on your battery charge capacity and bug reports on your Google pixel device:

Diagnostic software for businesses

Phone diagnostic software is a third-party application that allows you to examine the condition of your smartphones’ various software and hardware features. Diagnostic software is especially essential to businesses that have to buy and run diagnostics for dozens of phones at once.

 

For such businesses, diagnostic software helps you automate the examination of individual phones, bringing speed and exceptional reliability. After diagnosis, the software provides you with certified device history reports containing information about the phone that can inform your decision-making process. Human errors are often made through oversight. Diagnostic software offers you a dependable diagnostic procedure that is free of errors.

 

Furthermore, some diagnostic software allows you to customize the testing process to better fit your company’s priorities. Some offer additional solutions like MDM software and data erasure tools that help you integrate newly acquired phones.

 

You can find diagnostic software on app stores.

What to look for in a mobile phone diagnostic software 

If you’re hoping to get third-party diagnostic software, you should ensure that you get the best value for your money. Let’s review some essential qualities you should look for. 

Unfortunately, most diagnostic applications readily available on app stores don’t tick these four boxes and therefore are unsuitable for business use. We always recommend PhoneCheck — an industry-leading diagnostic solution that checks all these boxes and more at 2x the speed.

Phonecheck brings a dependable process for evaluating the health of your mobile phones. It has a customizable workflow with MDM solutions and data erasure software that creates a smooth enrollment experience for newly acquired devices. The results in a reliable tool you can depend on for both Android phones and iOS devices alike.

Build trust between buyers and sellers with Phonecheck’s mobile device diagnostic software

As the pre-owned phone market evolves, trust between buyers and sellers continues to be a central issue. Imagine buying a second-hand phone, and after a few days or months of usage, the speaker, keyboard, or the phone in its entirety stops functioning. 

Nobody wants to get cheated out of their hard-earned dollars. That’s why it’s vital to carry out diagnostic testing when buying or reselling a used phone. Unfortunately, many people lack access to efficient diagnostic tools. That’s where Phonecheck comes in. 

Our comprehensive mobile diagnostic software helps you execute constructive software and hardware diagnosis of a used device before purchase or listing for resale. After diagnosis, our software solution provides you with a certified device history report containing information regarding the phone’s working conditions, usage history, etc.

 A diagnosis report can significantly increase your smartphone’s resale value when selling. As a buyer, you can sleep well at night knowing that the used phone you bought has no underlying issues. Avoid costly hidden problems when buying a used device by purchasing a history report on phonecheck.com for about the cost of a cup of coffee.

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