Efs 客户端学习文档，用于快速开发前台界面。

轻松读取数据，更改esn,meid Unlock spc, MSL, SPC3, FSK, OTKSL, User Lock, MIN lock, SIM LOCK Programming: MIN, MDN, IMSI, NAM, PRL file, Phone Settings EFS Explorer: EFS EFS2 CEFS supported, reading locked efs folders Test call and display utility AT Command