buat pemakai hp cina semoga bermanfaat suatu saat nanti
Service codes "Chinese" models:
default user code: 1122, 3344, 1234, 5678
Engineer mode: *#110*01#
Factory mode: *#987#
Restore factory settings: *#987*99#
LCD contrast: *#369#
software version: *#800#
software version: *#900#
More some codes for reset mobile china
*#77218114#
*#881188#
*#94267357#
*#9426*357#
*#19912006#
*#118811#
*#3646633#