Kindle Paperwhite 越狱/加字体/支持PDF、EPUB、DjVu、FB2、CHM
0. 升级 官网固件升级：http://www.amazon.com/gp/help/customer/display.html/ref=hp_left_cn?ie=UTF8nodeId=201064850 下载完后，断开USB连接，通过Menu Settings Menu Update Your Kindle升级安装 以下操作(1,2,3)本人发现非常多的问题，本人KPW差点变砖
0. 升级
官网固件升级：http://www.amazon.com/gp/help/customer/display.html/ref=hp_left_cn?ie=UTF8&nodeId=201064850
下载完后，断开USB连接，通过Menu> Settings> Menu> Update Your Kindle升级安装
以下操作(1,2,3)本人发现非常多的问题，本人KPW差点变砖头，请别试用了。装多看可以一劳永逸。虽然就是多占点存储空间。
多看：http://bbs.duokan.com/forum/forum-47-1.html 选最新的版本公告，基本上每个周五都有版本更新。
安装步骤：http://bbs.duokan.com/forum/thread-76681-1-1.html。
1. 越狱
hhttp://www.mobileread.com/forums/showthread.php?t=198446
下载并解压kpw_jb.zip越狱包。把kpw插入到计算机，
（1）。把越狱包里面的“jailbreak.sh”和“MOBI8_DEBUG”文件直接复制到根目录；
（2）。把“jailbreak.mobi”的文件 复制到documents文件夹里；
（3）。安全弹出你的kpw驱动器，断开USB连接；
（4）。然后看你的KPW机器，你会看到一个新的文件名为“Paperwhite Jailbreak”文档。打开此文档。
（5）。按照文档中的说明操作 几个简单步骤 就完成了！！！
2.安装KPVBooklet
KPVBooklet支持5.1.2至5.3.5的Kindle固件（建议越狱后升级到5.3以上固件再安装），下载地址：https://code.google.com/p/kpvbooklet-package/downloads
。将下载的zip文件解压缩，把update_kpvbooklet_x.x.x_install.bin文件拷贝到Kindle的磁盘根目录下，断开USB连接。通过Menu> Settings> Menu> Update Your Kindle升级安装2,3，注意不要通过restart来安装。
ps：Update Your Kindle显示为灰色可能是因为安装了特定版本的多看，可在Kindle磁盘根目录下创建一个名为DUOKAN_DISABLE的文件（即：随便建一个文件再去除后缀），然后重启机器再安装。
3.安装Koreader
下载最新的Koreader安装包，下载地址：https://code.google.com/p/koreader-package/downloads
。将下载的zip文件解压缩到Kindle磁盘根目录即可。
其中：Koreader可以通过KPVBooklet与原生系统集成，在原生系统主界面即可显示EPUB、DjVu等文档。默认使用Koreader打开PDF、EPUB、DjVu、FB2、CHM和DOC文档，使用原生系统自带阅读器打开MOBI、AZW和TXT文档。也可以长按PDF文档在弹出窗口中选择GOTO来使用原生阅读器打开PDF文档。（也就是说：不影响原系统字典的使用，楼主我因为扫描pdf不方便在原系统观看才越狱的） 。至于PDF重排请参考：http://vislab.bjmu.edu.cn/blog/hwangxin/2012/10/read-scanned-pdfs-with-kindlepdfviewer/#Kindle
4. 加字体（不需越狱，以window系统为例）
（1）.window上设置让文件显示出扩展名（已经显示了的可以跳过这步骤），首先要在电脑上打开一个文件夹-选择“工具”选项-再选择“文件夹选项”-选择“查看”-把“隐藏已知文件的扩展名”选项的勾去掉。
（2）.KPW通过数据线连接电脑，打开KPW的磁盘在个目录创建一个txt文件，重命名txt文件为
USE_ALT_FONTS ，重命名的时候要确保文件无扩展名（这就是第一步的目的）。
（3）.在KPW的磁盘根目录创建一个文件夹命名fonts ，把要添加的几种字体放在这个fonts文件夹内。
（4）.安全退出kindle的连接，拔下数据线，重启KPW(菜单键-设置-菜单键-重启)
（5）.在kindle上打开一本书，按Aa就可以看到添加的字体了。
（字体可以去网上搜，和电脑字体通用，个人觉得方圆字体、兰亭黑体很不错）
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