The phone has been locked
What Does *#3646633# do ???
Is it Harmful ? If So How To Revert\Disable It ?
Try :
*#66*# Set Factory Mode CONFIRMED
More codes to reset chinese mobile phone
*#77218114#
*#881188#
*#94267357#
*#9426*357#
*#19912006#
*#118811#
*#3646633#
default user code: 1122, 3344, 1234, 5678
Engineer mode: *#110*01#
Factory mode: *#987#
Enable COM port: *#110*01# -> Device -> Set UART -> PS Config ->
UART1/115200
Restore factory settings: *#987*99#
LCD contrast: *#369#
software version: *#800#
software version: *#900#
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