You Need To Dial This Codes…

Must Android Devices Work at this code
( ##3424# ).

Samsung Verizon Devices:

*#22745927
**87284
##366633#
*#0808#

Samsung Sprint, US Cellular & Cricket Devices:

##3424#
*#0808#
*#22745927
*#7284#
##8778#

Must Motorola Devices:
*#*#4636#*#*

ZTE Any Device:
*983*87274#

huawei m931 & Others:
*#*#2846579#*#*
then Project Menu>>Background Settings>>Modem Switch to put it in diag mode.

This Codes for hidden ( data viwe / edite )
##3282#

This Codes for ( restore prl min no# )
##72786#

In the US, this feature code is *228 (*ACT) for Verizon/MetroPCS/US Cellular and ##873283# (##72786#)

How to Revert Back
Sprint users, simply go to the Dialer and type ##72786#.
Verizon users, go to the Dialer and type **228.

##786# but that wipes your data.