下载链接pan.baidu/share/link?shareid=2996050097&uk=724907225，这是个T卡升级包，安装很简单
1，将update.zip包拷贝至手机T卡根目录
2、手机处于关闭状态，同时按下power键和下音量下键，出现三角图标后，再按音量下键进入recovery模式。
3、按音量下键选择升级选项(apply sdcard:update.zip)，然后按power键确认
4、按下键选择T卡中的update.zip升级，大概2-3分钟后，升级完成。
4，升级完毕后选择重启选项(reboot system now),重启系统
Download link:pan.baidu/share/link?shareid=2996050097&uk=724907225，
360漫画进入漫画模式
This  C7 SD Card upgrade pack,it’s easy to install.
1.Copy “update.zip”to root directory of SD card.
2.Turn off your phone,press the power key and the volume down key at the same time .When you see a picture consists of a triangle and a exclamation.press the volume down key to go into the recovery mode.
3.Press the volume key to choose update(apply sdcard:update.zip),then press the power key to confirm.
4.Press the down key to choose the update.zip in SD Card to update,after 2~3 minutes,it’s finished.
5.After that,select the restart option to reboot system.