前些日子在社区回复了 Clyde 有关收紧 BL 锁的帖子。说来惭愧，最近实在太忙，有一篇刷机史的长文收集了不少资料但一直没时间写，没想到这半年刷 机与解锁的新闻与爆料越来越多，一桩一件颇有要给已经很小众的社区提前宣判死刑的感觉。不过想到玩机，小米似乎是不得不提的品牌。从享誉社区的 MIUI V5 到小米社区工程师面对面、橙色星期五，再到开放的解锁形态与滚动发行的开发版……只不过属于小米玩机社区的死刑在去年已经被小米高考提 前宣判了。 回到家打开抽屉才想起来朋友之前寄给我的两台小米的老机器吃了两年灰，那么在 2026 这个时点，插电开机，我想聊聊那个安卓还是开放代名词的年 代，以及再次感谢@Akiri_Nakoha 寄来的机器。 你醒啦，现在是 2015 年，让我们开始吧。 ▍给心中的火添柴——小米1S 小米靠着 MIUI 在当时方兴未艾的刷机市场得到了全世界发烧友的认可，又伴随着 1999 的机圈神话，靠着极致的性价比横扫了中端机市场，卖出 300 多 万台。一年之后，在小米手机 2 的同代发布会上，小米 1S 作为陪衬发布，相比上一代增加了一颗前置摄像头，用上了更新的高通骁龙 S3，价格则比正代 旗舰低了 ...

Core Viewpoint - The article discusses the increasing difficulty and risks associated with unlocking the bootloader (BL) of Xiaomi smartphones, leading some users to resort to extreme measures to bypass these restrictions [3][6][30]. Group 1: Xiaomi's Bootloader Unlocking Policy - Xiaomi has implemented stringent measures for unlocking the bootloader, including a complex application process that resembles an exam [4][5]. - Users must answer numerous questions related to Android basics, mathematics, programming, and logic within a limited time frame [4][6]. - The difficulty and lack of clear rules in the unlocking process indicate Xiaomi's stance that unlocking the BL carries significant risks and is not suitable for the average user [6][30]. Group 2: User Reactions and Consequences - Some users have attempted to steal unlocked devices during the unlocking process, although the success rate is not guaranteed due to quick countermeasures by service engineers [7][8]. - Reports suggest that some service centers have installed barriers to prevent users from accessing unlocked devices [7][8]. - The article highlights a broader trend among smartphone manufacturers, including Samsung, tightening controls over bootloader unlocking [9][10]. Group 3: Historical Context and Evolution of Bootloader Unlocking - The concept of bootloader unlocking has evolved from a means of enhancing device functionality to a niche hobby, with risks now outweighing benefits for most users [26][30]. - Historically, Android's open nature allowed for extensive customization, but as the ecosystem matured, the need for such modifications diminished [26][30]. - The article emphasizes that the risks associated with unlocking the bootloader today include potential data loss and security vulnerabilities, especially given the increasing reliance on smartphones for personal information [30][32][46]. Group 4: Security Implications - Unlocking the bootloader compromises the security measures protecting personal data, making it easier for malicious actors to access sensitive information [33][34]. - The article warns that lost or stolen devices with unlocked bootloaders can lead to significant data breaches, as unauthorized users can bypass security features [34][36]. - Manufacturers are increasingly implementing restrictions to mitigate these risks, reflecting a shift towards prioritizing user security over customization freedom [40][42]. Group 5: Recommendations and Best Practices - The article suggests that manufacturers like Sony have implemented more secure unlocking processes that could serve as a model for others [47][48]. - It advocates for a balanced approach that allows for user customization while ensuring adequate security measures are in place to protect sensitive information [46][48].