Bootloader unlocking: Difference between revisions
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The bootloader is the core layer of a computerized device that connects the software to the physical hardware. In smartphones, the bootloader allows the mobile device to start up with an operating system such as iOS for iPhones and Android for most other smartphones. Bootloaders are generally established by the manufacturer and are shipped to retailers and consumers in a "locked" state, tying the hardware to a specific operating system chosen by the manufacturer. To unlock a bootloader is to disconnect the physical device from a particular operating system, allowing users more control over their purchased smartphones. This is especially relevant for users who wish to [[de-Google]] their android devices, the act of removing Google products and services for privacy, flexibility, and other concerns. | |||
== Background == | |||
History and technical details here... | |||
== | Unlocking the bootloader of a smartphone allows the user to install an alternative system on the device, also more popularly known as a custom ROM.<ref>{{Cite web |date=19 Aug 2025 |title=Android ROM |url=https://www.pcmag.com/encyclopedia/term/android-rom |url-status=live |archive-url=https://web.archive.org/web/20241223222958/https://www.pcmag.com/encyclopedia/term/android-rom |archive-date=23 Dec 2024 |website=PCMag}}</ref> | ||
==Benefits of unlocked bootloaders== | |||
==='''1. Better Privacy'''=== | ==='''1. Better Privacy'''=== | ||
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==='''4. Customisation'''=== | ==='''4. Customisation'''=== | ||
Some applications cannot be removed easily with the default OS. A custom ROM can be used to only include the applications the user wants, potentially with customisation that isn't originally available by default.<!-- Source? --> | Some applications cannot be removed easily with the default OS. A custom ROM can be used to only include the applications the user wants, potentially with customisation that isn't originally available by default.<!-- Source? --> | ||
== Why most devices are locked == | |||
=== Security === | |||
Example Text | |||
=== DRM and ecosystem control === | |||
Example Text | |||
=== Locks from mobile carriers === | |||
Example Text | |||
==Availability== | |||
Unlocking the bootloader is only [[Phones that do not allow bootloader unlock|possible on some, but not all Android devices]]. Apple has measures in place to prevent users from installing third party operating systems on iPhones and iPads.<!-- Source? --> | |||
==Alternative Android-based Operating Systems== | ==Alternative Android-based Operating Systems== | ||
Revision as of 13:59, 1 September 2025
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The bootloader is the core layer of a computerized device that connects the software to the physical hardware. In smartphones, the bootloader allows the mobile device to start up with an operating system such as iOS for iPhones and Android for most other smartphones. Bootloaders are generally established by the manufacturer and are shipped to retailers and consumers in a "locked" state, tying the hardware to a specific operating system chosen by the manufacturer. To unlock a bootloader is to disconnect the physical device from a particular operating system, allowing users more control over their purchased smartphones. This is especially relevant for users who wish to de-Google their android devices, the act of removing Google products and services for privacy, flexibility, and other concerns.
Background
History and technical details here...
Unlocking the bootloader of a smartphone allows the user to install an alternative system on the device, also more popularly known as a custom ROM.[1]
Benefits of unlocked bootloaders
1. Better Privacy
Most custom ROMs do not contain any of the components that send data to the manufacturer, Google, and their partner companies.[2] In some cases, they even contain components that prevent individual apps from doing so, such as:
Workaround Google Play Services
On a default Android system there is a deep integration with Google Play Services. This is a system process that requires access to files, contacts, storage, call logs, SMS messages, location, camera and microphone. And without this process running, basic system apps will not function.[3] Alternative systems avoid this process entirely, or use a privacy preserving workaround such as:
2. Expanding Device Lifespan
Most custom ROMs are free of bloatware and can thus be used extend the longevity of phones that have become unusable due to the default system growing larger with each manufacturer update. Especially on low-end phones, these updates usually end up exhausting the built-in storage after sometimes as little as two years. This renders the devices slow and unstable and leaves no room for user data. Custom ROMs are typically much smaller than the manufacturer software. Consequently, many old phones can run even faster with a custom ROM than they were when new, thus often more than doubling their useful lifespan.[5][6]
3. Updates after device is abandoned by manufacturer
Low-end devices usually receive only a few years or even months of security updates.[7] Since most custom ROMs are built by the open source community, installing one of these custom ROMs allows users to receive security updates for the Android system and default components like web browser engines and PDF readers much longer than with the manufacturer's OS.
4. Customisation
Some applications cannot be removed easily with the default OS. A custom ROM can be used to only include the applications the user wants, potentially with customisation that isn't originally available by default.
Why most devices are locked
Security
Example Text
DRM and ecosystem control
Example Text
Locks from mobile carriers
Example Text
Availability
Unlocking the bootloader is only possible on some, but not all Android devices. Apple has measures in place to prevent users from installing third party operating systems on iPhones and iPads.
Alternative Android-based Operating Systems
These include, but are not limited to:
- AOSP (Android Open Source Project) , also known as "stock" Android.[8][2]
References
- ↑ "Android ROM". PCMag. 19 Aug 2025. Archived from the original on 23 Dec 2024.
- ↑ 2.0 2.1 Patel, Pratham (20 Feb 2024). "5 De-Googled Android-based Operating Systems to Free Your Smartphone from Google and other Big Tech". It's FOSS. Archived from the original on 7 Jul 2025. Retrieved 19 Aug 2025.
- ↑ Aragon, Jonah (21 Jul 2024). "Android". Privacy Guides. Retrieved 17 Aug 2025.
{{cite web}}: CS1 maint: url-status (link) - ↑ Gordon, Arielle (7 Jun 2019). "The Open Source Project That Keeps Google's Hands Off Your Android Data". Vice. Archived from the original on 30 Jun 2025. Retrieved 19 Aug 2025.
- ↑ "By how much do custom roms really extend Phone lifespans?". Reddit. Retrieved 2025-08-23.
- ↑ /e/OS Community. 2023-03 https://community.e.foundation/t/xiaomi-redmi-8a-olivelite-with-dual-sim/29192/12. Retrieved 2025-08-23.
{{cite web}}: Check date values in:|date=(help); Missing or empty|title=(help) - ↑ "Android Update Matrix". Android Update Tracker. Retrieved 2025-08-23.
- ↑ https://eylenburg.github.io/android_comparison.htm