Sayang naman if ganon. Nasa YT din ang debranding at makaka full admin ka with all the feature like band locking, openline, visible ang hidden settings and etc.
If custom firmware gamit mo sa pang downgrade, di naman kasi almost custom firmware na ginawa ng mga modders natin like Jerome Laloag at Jhowell ay naka admin access na sya. If ever original stock firmware, baka need mo openline ulit pero di naman mahirap since maraming tutorial sa YT.