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Samsung One UI 8 Bootloader Restriction

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Contents5
  1. Summary
  2. Background
  3. Company's response
  4. Consumer response
  5. References

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Summary

Samsung quietly disables bootloader in One UI 8 worldwide where previously it only affected the U.S.. Samsung globally disabled the ability for consumers to unlock the bootloaders on their Galaxy devices, eliminating the possibility of installing custom operating systems discovered by a contributor to custom ROM's, known as "salvo_giangri"[1]. At the time One UI 8 was still in beta and there was hope that it would no longer be the case in the stable release, however with the stable version release in July 25th 2025 on Galaxy Z Fold 7 / Z Flip 7 family, the restriction was still present.[2]

Background

"One UI is a user interface (UI) developed by Samsung Electronics for its mobile, computing devices and TVs, including Android devices running Android 9 "Pie" and later."[3] Since its release in 2018, it has always featured a locked bootloader to U.S.[4][1][5] Consumers, however outside the U.S., it has been a different story and many international phones samsung phones, supported the unlocking of the bootloader unlike U.S. phones. Unlocking the bootloader was only an option for Non U.S. phones, and U.S. phones lacked the OEM unlock toggle seen only in international model's.[5]


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Company's response

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Samsung has not made an statement regarding this situation and has remained silent despite getting questioned on a post in Samsung Community whether the bootloader will remain unlocked when updating from One UI 7 to 8.[6] This post also elaborates that in this user's case he, or she will lose Knox functionality which is a huge issue since Knox plays a huge role for the security and stability of the phone.[7][8]

Consumer response

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References

  1. ↑ 1.0 1.1 Sharma, Adamya. "Samsung may be killing bootloader unlocking on all phones with One UI 8".
  2. ↑ "Stable One UI 8 removed Bootloader settings from Developer options: Report".
  3. ↑ "One UI". Wikipedia.
  4. ↑ "OEM Unlocking option is missing from Beta 3 on SM-G981U1".
  5. ↑ 5.0 5.1 Pandey, Rajesh (2025-07-28). "One UI 8 spells the end for custom ROMs on Samsung phones". Android Police.
  6. ↑ "One UI 8 OEM unlock restriction". 2025-09-26.
  7. ↑ "What is Samsung Knox?". 2025-11-29.
  8. ↑ "Samsung Knox".
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