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The word 'brick', when used in reference to consumer electronics, describes an electronic device such as a mobile device, game console, or router that, due to severe physical damage, a serious misconfiguration, corrupted firmware, or a hardware problem, can no longer function, hence, is as technologically useful as a brick.^[1]

The term derives from the vaguely rectangular shape of many electronic devices (and their detachable power supplies) and the suggestion that the device can function only as a lifeless, square object, such as paperweight or doorstop.

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This term is commonly used as a verb. For example, 'I bricked my MP3 player when I tried to modify its firmware.' It can also be used as a noun, for example, 'If it's corrupted and you apply using fastboot, your device is a brick.'

In the common usage of the term, 'bricking' suggests that the damage is so serious as to have rendered the device dead.^[2]

• 2Types

Cause and prevention[edit]

Bricking a device is usually a result of interrupting an attempt to update the device. Many devices have an update procedure which must not be interrupted before completion; if interrupted by a power failure, user intervention, or any other reason, the existing firmware may be partially overwritten and unusable. The risk of corruption can be minimized by taking all possible precautions against interruption.

Installing firmware with errors, or for a different revision of the hardware, or installing firmware incompetently patched such as DVD firmware which only plays DVDs sold in a particular region, can also cause bricking.

Devices can also be bricked by malware (malicious software)^[3] and sometimes by running software not intentionally harmful but with errors that cause damage.

Some devices include two copies of firmware, one active and the other stored in fixed ROM or writable non-volatile memory and not normally accessible to processes that could corrupt it, as well as a way to copy the stored firmware over the active version, even if corrupt, so that if the active firmware is damaged, it can be replaced by the copy and the device will not be bricked. Other devices have minimal 'bootloader' firmware, enabled usually by operating a switch or jumper, which does not enable the device to work normally but can reload the main firmware.

Types[edit]

Bricking is classified into two types, namely hard and soft, depending on the device's ability to function.^[1]

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Hard brick[edit]

Hard bricked devices generally show little to no signs of life. A hard bricked device does not power on or show any vendor logo; in essence, the screen remains turned off. Some of the major reasons for hard bricking are installing firmware not made for the device, interrupted flashing procedure or following a flashing procedure incorrectly.

Some other reasons include flashing a root file for a different file or using wrong commands. Some kernel bugs^[4] have been known that affect the /data partition in the eMMC chip, which gets corrupted during certain operations such as wiping and flashing.

Recovering from a hard brick is generally considered difficult and requires the use of a more direct programming interface to the controller; such an interface exists as there must be a way to program the initial firmware on an unprogrammed device. However, additional tools or connections may be needed.

Apart from that, there are different stages of a bricked device. There are different steps to resolve this, such as analyzing the problem, analyzing the boot process, finding at which stage the hard bricked device is, and making changes with the help of the PC.^[5]

Soft brick[edit]

A 'soft bricked' device may show signs of life, but boots unsuccessfully or may display an error screen. Soft bricked devices can usually be fixed; for example, a soft bricked iOS device may display a screen instructing the user to plug it into a computer to perform an operating system recovery using iTunes software.^[6] In some cases, soft bricked devices are unable to be repaired without physical repairs being carried out; an example of this would be an iOS device locked with iCloud Activation Lock, of which the only solution is to contact the owner of the iCloud account the device is locked to, or to replace the entire motherboard with a non-locked board.^{[citation needed]}

Unbricking[edit]

Some devices that become 'bricked' because the contents of their nonvolatile memory are incorrect can be 'unbricked' using separate hardware (a debug board) that accesses this memory directly.^[7] This is similar to the procedure for loading firmware into a new device when the memory is still empty. This kind of 'bricking' and 'unbricking' occasionally happens during firmware testing and development. In other cases software and hardware procedures, often complex, have been developed that have a good chance of unbricking the device. There is no general method; each device is different. There are also user-created modifier programs to use on bricked or partially bricked devices to make them functional. Examples include the Wiibrew program BootMii used to fix semi-bricked Nintendo Wiis, the Odin program used to flash firmware on Samsung Android devices,^[8] or the fastboot Android protocol which is capable of reflashing a device with no software installed.^[8]

A soft bricked rootedKindle Fire can be unbricked by using unrooting tools. Arijit singh hit songs download.

A personal computer may be unbricked by using System Restore or backup.

Systems[edit]

In principle any device with rewritable firmware, or certain crucial settings stored into flash or EEPROM memory, can be bricked. Many, but not all, devices with user-updatable firmware have protection against bricking; devices intended to be updated only by official service personnel generally do not.

Amongst devices known to have bricking issues are: older PCs (more recent models often have dual BIOSes or some other form of protection), many mobile phones, handheld game consoles like the PlayStation Portable and Nintendo DS, video game consoles like the Nintendo Wii, Xbox 360, PlayStation 4 and Xbox One, many SCSI devices and some lines of hard disk drives and routers.^{[citation needed]}

At least some older consumer market router models^[which?] can become unresponsive when the user tries to define a subnet mask that does not contain one contiguous run of 1s and then 0s. If even a single bit is set so that it breaks one of the runs, the router may become bricked, unresponsive to any standard troubleshooting or resolving procedures listed in the manual. Unbricking the router may require opening the case, shorting some jumper pins on the board, then connecting the router by the USB cable to an old PC with USB 1.1 hardware, running a special DOS level program supplied by the manufacturer, and powering the router up. This procedure will flash the router to factory settings and original firmware.^{[citation needed]}

Electric cars such as the Tesla Roadster (2008) can brick if the battery is completely discharged.^[9]

Sometimes an interrupted flash upgrade of a PC motherboard will brick the board, for example, due to a power outage (or user impatience) during the upgrade process. It is sometimes possible to unbrick such a motherboard, by scavenging a similar but otherwise broken board for a BIOS chip in the hopes that the BIOS will work even halfway, far enough to boot from floppy. Then it will be possible to retry the flash process. Sometimes it is possible to boot from a floppy, then swap the old presumably dead BIOS chip in and reflash it.^[10] On some Gigabyte boards, it can also be possible to reflash the bricked main BIOS using a backup BIOS.^[11] Some vendors put the BIOS chip in sockets, allowing the corrupted BIOS chip to be removed and reprogrammed using an external tool, like a universal programmer or an Arduino.

Online and mobile services[edit]

Mobile phones have a fixed identification code, the IMEI; a telephone reported stolen can have its IMEI blocked by networks—preventing their ability to be used as mobile devices.^[12]iOS offers a similar 'Activation Lock' feature via the 'Find My iPhone' security software, where a device can be remotely prevented from operating (even after it has been erased), protected by the owner's Apple ID.^[13]

Devices that have a strong dependency on online services in order to function may be bricked after services are discontinued by the manufacturer, or some other technological factor (such as expired security certificates or other services quietly becoming unavailable) effectively prevents them from operating. This can happen if the product has been succeeded by a newer model and the manufacturer no longer wishes to maintain services for the previous version, or if a company has been acquired by another or otherwise ceases operations, and chooses not to, or is no longer able to maintain its previous products. The practice has especially been scrutinized within the Internet of things and smart home markets.^{[14][15][16][17]} Bricking in these cases have been declared a means to enforce planned obsolescence.^[18][19]

References[edit]

1. ^ ^ab'The Big Android Dictionary: A Glossary of Terms You Should Know'. WonderHowTo. Retrieved 2017-05-06.
2. ^CATB.ORG Jargon File
3. ^'Is it possible to recover a bricked computer?'. superuser.com. Retrieved 2017-05-06.
4. ^'Hard Brick Bug on Galaxy S II and Note Leaked ICS Kernels'. xda-developers. 2012-05-18. Retrieved 2017-05-06.
5. ^'Unbricking a Hard Bricked Android Device'. Dot Android.
6. ^'If you can't update or restore your iPhone, iPad, or iPod touch'. Apple Support. Retrieved 2017-05-06.
7. ^Neo1973 Debug Board v2/Unbricking - Openmoko
8. ^ ^abUnbrick Android phones and tablets
9. ^Tesla Motors' Devastating Design Problem
10. ^'[motherboard] Bricked motherboard after bios update - Computer Hardware Help DSLReports Forums'. DSL Reports. Retrieved 2017-05-06.
11. ^'--GIGABYTE--DUAL BIOS WEB'. www.gigabyte.com. Retrieved 2017-05-06.
12. ^Burke, David. 'Thieves frustrated by stolen phone blacklist, hunt for ways around it'. CBC News. Retrieved 2019-03-11.
13. ^Singleton, Micah (2017-01-30). 'Apple gets rid of tool that let you check whether iPhones were stolen'. The Verge. Retrieved 2019-03-11.
14. ^Hern, Alex (2016-04-05). 'Revolv owners furious as Google shuts down smart home company'. The Guardian. ISSN0261-3077. Retrieved 2019-03-11.
15. ^Welch, Chris (2017-11-08). 'Logitech will brick its Harmony Link hub for all owners in March'. The Verge. Retrieved 2019-03-11.
16. ^Gewirtz, David. 'Revolv is dead. Google killed it. Long live innovation'. ZDNet. Retrieved 2019-03-11.
17. ^Diaz, Jesus (2019-03-06). 'One of the decade's most hyped robots sends its farewell message'. Fast Company. Retrieved 2019-03-11.
18. ^Walsh, Kit (2016-04-05). 'Nest Reminds Customers That Ownership Isn't What It Used to Be'. Electronic Frontier Foundation. Retrieved 2019-03-11.
19. ^Chung, Emily (April 6, 2016). 'Nest's move to stop supporting Revolv smart hub leaves customers with costly 'brick''. CBC News. Retrieved 2019-03-11.