huawei nmo-l22 gt3 manufacture mode can not enable-so can not unlock-help

[zonetrichur]

network locked phone-enter sim unlock code-got procedure as below

"""""Step 1

IMPORTANT: Enable "manufacture mode" on your phone. This is done by entering in dial pad code *#*#2846579#*#*, select "Project Menu", "Background settings", "USB ports settings", "Manufacture mode". Then connect it to PC and install drivers"""""""""""""""""

here the big problem can not enable manufacture mode-always phone in hi suite mode-so can not unlock

is it solve by flashing another file?

help me

[Valdemaras]

network locked phone-enter sim unlock code-got procedure as below

"""""Step 1

IMPORTANT: Enable "manufacture mode" on your phone. This is done by entering in dial pad code *#*#2846579#*#*, select "Project Menu", "Background settings", "USB ports settings", "Manufacture mode". Then connect it to PC and install drivers"""""""""""""""""

here the big problem can not enable manufacture mode-always phone in hi suite mode-so can not unlock

is it solve by flashing another file?

help me

What happens when you tap on manufacture mode in option screen then?