搬运自xda，原帖forum点xda-developers点com/galaxy-s-i9000/i9001-development/gt-i9001-cyanogenmod-12-0-adc-team-t2971987用国外的下载点实在蛋疼，于是在自己下好了之后顺手做个好人，上传到度盘s/1c2AzfIo初测无明显bug,刷机的时候要先把Twrp的recovery先刷进去再用Twrp刷包

还有刷完后可能不如CM11流畅，毕竟几十年老机器带5.0还是比较勉强的

回复 高坂沙雾 :这个怎么解决啊。。。。我按你的要求。。先刷TWRP2.81再刷ROM

安装说明原文How to install the rom:If you're coming from a stock rom, a previous Android version (CM 9, CM 10, CM 10.1, CM 10.2 and derivatives) or if you have a CM 11.0 older than Release 15, read carefully the following stepsDownload the rom, gapps and the new TWRP recovery (its mandatory)If you have an external sd, you may already copy the downloaded files on it, please don't flash anything yet, read the following stepsBackup your data, like call history, contacts, sms, favourite app settings inside external sd (by using Titanium Backup or other apps available on PlayStore)Backup your internal sd content, because all its content will be lost (you may copy the full content on a pc or inside a new folder of your external sd)If you have WhatsApp, copy the folder /sdcard/WhatsApp inside /external_sd/Whatsapp, so you are ready to restore all your conversations after the re-installation of the appCopy the content of the folder /sdcard/DCIM inside /external_sd/DCIM, so your taken pictures stored inside internal sdcard will be preservedReboot inside CWM or TWRP recovery which not includes new partition assignmentsPerform a nandroid backup inside external sdcard (inside TWRP, Backup -> Select all the partitions -> Select Micro SD card as storage -> Swipe)Install the new TWRP recovery that includes new partition assignmentsReboot inside TWRP recovery again, because now you must be sure to use the new one (inside TWRP, Home -> Reboot -> Recovery)Wipe Data as ext4 or f2fs partition (Wipe -> Advanced Wipe -> Select Data -> Repair or Change File System -> Change File System -> EXT4 or F2FS -> Swipe)Wipe Dalvik Cache, Cache, System and Android Secure (inside Wipe -> Advanced Wipe)If you haven't copied the installation files yet, be sure that MTP is enabled (inside Mounts, click on Enable MTP), then, from your pc, copy the files inside internal sd or external sdInstall the rom packageInstall the gapps packageReboot the systemIf you performed a backup with an app, on

If you performed a backup with an app, on external sd or on pc, you may restore the saved data and copy/move /external_sd/Whatsapp folder to /sdcard/Whatsapp againEnjoy LollipopIf you're updating a CM 12.0 released after 21/12/2014Reboot inside recovery (always the new one)Install the rom updateReboot the system

机翻如何安装 rom：如果您来自库存 rom、以前的 Android 版本（CM 9、CM 10、CM 10.1、CM 10.2 和衍生产品），或者如果您的 CM 11.0 早于 Release 15，请仔细阅读以下步骤Download the rom, gapps and the new TWRP recovery (its mandatory)如果你有一个外置的sd，你可能已经把下载的文件复制到上面了，请不要刷任何东西，阅读以下步骤备份您的数据，例如通话记录、联系人、短信、外部 sd 中最喜欢的应用程序设置（通过使用 Titanium Backup 或 PlayStore 上可用的其他应用程序）备份您的内部 sd 内容，因为它的所有内容都会丢失（您可以将全部内容复制到 PC 上或外部 sd 的新文件夹中）如果您有 WhatsApp，请将文件夹 /sdcard/WhatsApp 复制到 /external_sd/Whatsapp 中，以便在重新安装应用程序后恢复所有对话将文件夹 /sdcard/DCIM 的内容复制到 /external_sd/DCIM 中，这样您存储在内部 sdcard 中的照片将被保留在不包括新分区分配的 CWM 或 TWRP 恢复中重新启动在外部 sdcard 内执行 nandroid 备份（在 TWRP 内，备份 -> 选择所有分区 -> 选择 Micro SD 卡作为存储 -> 滑动）安装包含新分区分配的新 TWRP 恢复再次在 TWRP recovery 里面重启，因为现在你必须确保使用新的（在 TWRP 里面，Home -> Reboot -> Recovery）将数据擦除为 ext4 或 f2fs 分区（擦除 -> 高级擦除 -> 选择数据 -> 修复或更改文件系统 -> 更改文件系统 -> EXT4 或 F2FS -> 滑动）擦除 Dalvik 缓存、缓存、系统和 Android 安全（在 Wipe -> Advanced Wipe 内）如果您还没有复制安装文件，请确保 MTP 已启用（在 Mounts 中，单击 Enable MTP），然后从您的 PC 中复制内部 sd 或外部 sd 中的文件安装rom包安装 gapps 包重新启动系统如果您使用应用程序在外部 sd 或 pc 上执行备份，您可以恢复保存的数据并将 /external_sd/Whatsapp 文件夹复制/移动到 /sdcard/Whatsapp享受棒棒糖如果您要更新 2014 年 12 月 21 日之后发布的 CM 12.0重新启动内部恢复（始终是新的）安装rom更新重新启动系统