Smartphone crashes are a frustrating problem for end users that significantly worsen the overall experience of interacting with a device. For the average phone user, the reasons for such performance issues are not obvious, so they typically choose to have their phones repaired—or even replaced—in such cases. Today, we will focus on two main questions: what causes phone crashes and how repairers can provide reliable solutions for devices with these issues. Follow along!
What Is a Phone Crash?
Simply put, a phone crash is a situation in which a smartphone stops working: it may shut down completely, freeze, force close an application, etc. A crash might last for several seconds and resolve itself or require some recovery time. Usually, restarting the device helps, but in more severe cases, expert assistance from a developer or repair technician may be needed.

What Are the Reasons for Phone Crashes?
Among the many reasons for sudden phone crashes, several common causes stand out:
Outdated Software
Installed software may be incompatible with certain applications, leading to unexpected shutdowns. Sometimes, software contains vulnerabilities that cause instability and pose data security risks. Additionally, bugs in the software can negatively impact smartphone performance.
This issue has a simple solution: updating the operating system and applications. If the problem persists, it may be due to the software version itself, in which case it must be fixed by the developers.
Overheating
Smartphones overheat due to several factors: outside environment, use of resource-intensive applications, processor overload, improper charging, etc. Overheating can lead to unexpected crashes and other malfunctions.
Usually, deleting unused applications, clearing cache, and reducing background activity help resolve the issue. However, if the problem is caused by physical damage to a component—such as the processor or motherboard—replacing the damaged part may be the only solution.
Low Storage Space
Another reason a phone may crash is insufficient storage space. Programs may have trouble running properly when there is little or no available disk space. Additionally, some applications—especially games—consume large amounts of RAM, which not all devices can support.
Freeing up smartphone storage—by deleting unnecessary files or moving them to the cloud—can help prevent crashes and improve overall performance.
Malware
The issue of malicious software is especially common on Android phones. If a device continues to freeze or crash and none of the above solutions work, malware may be the cause.
This can be resolved by installing antivirus software, deleting suspicious files, or—as a last resort—performing a factory reset. However, the most important measure is prevention: download apps only from reputable sources, keep your OS and applications updated, and avoid clicking on suspicious links or messages online.
How Repairers Can Fix Phone Crashes
If the problem is difficult to detect or cannot be fixed at home by the end user, the smartphone can be taken to a repair center. There, repairers inspect both software and hardware components and determine the best solution.
To ensure the defect is detected accurately, repairers need to perform functional diagnostics on all smartphone components. Manual testing leaves room for human error: a technician may unintentionally skip certain checks or misjudge the smartphone’s condition due to subjectivity.
Automated phone testing reduces the risk of human error and fraud while streamlining workflows and enhancing scalability. Software solutions such as NSYS Diagnostics are effective tools for improving the efficiency and reliability of the testing process.

NSYS Diagnostics: 99.7% Accurate Defect Detection
NSYS Group offers a comprehensive phone testing software solution suitable for various use cases—including in-store trade-in programs, high-volume warehouse processing, and repair center diagnostics.
NSYS Diagnostics performs 60+ tests to detect more than 100 hardware defects with 99.7% accuracy. For each smartphone tested, the solution provides testing certificates that can be used for reselling at marketplaces such as Back Market, Amazon Renewed, and Refurbed.
Try NSYS Diagnostics to optimize and scale your phone testing operations!