L7刷机教程

[wbw005]

小弟想刷机但又不知道怎么刷，不知道哪位好心人能给我个刷机教程，L7的

 

[红景]

[s:72] [s:72] [s:71]

 

[wbw005]

怎么没人告诉我啊 [s:80]