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.