How Software Updates or Firmware Flashing Can Brick a Device

how device brick happens
Photo: Nothing Ahead (via Pexels)

Sometimes a phone, router, smart TV, laptop, or game console stops working after an update or software problem. People often call this "bricked". It means the device has become unusable, or almost unusable.

Many people assume this means the hardware is damaged. But that is often not the real cause.

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The problem may be the startup software

When you press the power button, a device usually starts with small built-in software first. This software runs before the main operating system.

Its job is to wake up the processor, check memory, detect storage, and begin loading the system. You can think of it as the first step in the startup process.

If this early software is broken, missing, or replaced with the wrong version, the device may fail before normal startup begins.

That means the hardware may still be fine, but the device cannot use it properly.

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Why this happens

There are several common reasons:

  • a software update stops halfway
  • power cuts during installation
  • the wrong firmware is installed
  • files become corrupted
  • a bug causes startup to crash
  • unofficial modifications fail

Some devices can recover from these problems while others cannot do it easily.

The device looks completely dead

When startup code fails very early, the screen may stay black. Buttons may not respond. The device may not connect to a computer. It can seem like nothing is happening.

This is why many people think the hardware has died. In reality, the device may simply be stuck before it reaches the stage where it can show signs of life.

Can it still be repaired?

Often, yes.

Some products include recovery tools, emergency boot modes, or backup firmware. These features can allow the user to reinstall working software.

In other cases, repair needs special cables, service tools, or opening the device. A technician may connect directly to the storage chip or internal service port.

So a device can be "bricked" for a normal user, while still recoverable by someone with the right tools.

Types of brick

Some people use terms like "soft brick" and "hard brick".

A soft brick usually means the device still shows some response, like entering recovery mode or showing a logo screen.

A hard brick usually means there is little or no visible response, making recovery harder.

These terms are informal, but they help describe the situation.

How manufacturers reduce the risk

Many newer devices are built with safer update systems. They may keep a backup copy of the firmware or switch back to an older version if the new one fails.

This does not remove all risk, but it can lower the chance of a failed update causing serious problems.


In short, a "bricked" device is often not a broken machine. It is a working machine that can no longer start because the software needed at the beginning has failed.

That is why software problems can sometimes make perfectly fine hardware unusable.

Source: Reddit thread

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